Avalanche of Sector 7

Final Fantasy Commander · #150 · rare · EN

€0.43

cheapest of 9 store offers · see all

market $0.39

Mana cost: {2}{R}

Type: Legendary Creature — Human Rebel

Commonly played as: Burn

Menace
Avalanche of Sector 7's power is equal to the number of artifacts your opponents control.
Whenever an opponent activates an ability of an artifact they control, Avalanche of Sector 7 deals 1 damage to that player.

Artist: Arif Wijaya

Released: 2025-06-13

Finishes: Nonfoil, Foil

Market price

  • TCGplayer: $0.39
  • TCGplayer foil: $4.15
  • Cardmarket: €0.43
  • Cardmarket foil: €2.45
  • MTGO tix: 1.62
232 days of daily prices for Avalanche of Sector 7: $0.42 to $0.39 $4.20 $0.29 2025-09-30 · regular $0.42 · foil $3.072025-09-30regular $0.42foil $3.07 2025-10-01 · regular $0.42 · foil $3.072025-10-01regular $0.42foil $3.07 2025-10-02 · regular $0.40 · foil $3.072025-10-02regular $0.40foil $3.07 2025-10-03 · regular $0.40 · foil $3.072025-10-03regular $0.40foil $3.07 2025-10-04 · regular $0.40 · foil $3.072025-10-04regular $0.40foil $3.07 2025-10-05 · regular $0.38 · foil $3.022025-10-05regular $0.38foil $3.02 2025-10-06 · regular $0.37 · foil $2.942025-10-06regular $0.37foil $2.94 2025-10-07 · regular $0.36 · foil $2.852025-10-07regular $0.36foil $2.85 2025-10-08 · regular $0.33 · foil $2.852025-10-08regular $0.33foil $2.85 2025-10-09 · regular $0.35 · foil $2.892025-10-09regular $0.35foil $2.89 2025-10-10 · regular $0.35 · foil $2.882025-10-10regular $0.35foil $2.88 2025-10-11 · regular $0.33 · foil $2.862025-10-11regular $0.33foil $2.86 2025-10-12 · regular $0.33 · foil $2.872025-10-12regular $0.33foil $2.87 2025-10-13 · regular $0.32 · foil $2.872025-10-13regular $0.32foil $2.87 2025-10-14 · regular $0.32 · foil $2.842025-10-14regular $0.32foil $2.84 2025-10-15 · regular $0.32 · foil $2.842025-10-15regular $0.32foil $2.84 2025-10-16 · regular $0.32 · foil $2.832025-10-16regular $0.32foil $2.83 2025-10-17 · regular $0.32 · foil $2.832025-10-17regular $0.32foil $2.83 2025-10-18 · regular $0.31 · foil $2.832025-10-18regular $0.31foil $2.83 2025-10-19 · regular $0.32 · foil $2.832025-10-19regular $0.32foil $2.83 2025-10-21 · regular $0.32 · foil $2.832025-10-21regular $0.32foil $2.83 2025-10-22 · regular $0.29 · foil $2.802025-10-22regular $0.29foil $2.80 2025-10-23 · regular $0.30 · foil $2.802025-10-23regular $0.30foil $2.80 2025-10-24 · regular $0.30 · foil $2.802025-10-24regular $0.30foil $2.80 2025-10-25 · regular $0.30 · foil $2.802025-10-25regular $0.30foil $2.80 2025-10-26 · regular $0.33 · foil $2.942025-10-26regular $0.33foil $2.94 2025-10-27 · regular $0.34 · foil $2.942025-10-27regular $0.34foil $2.94 2025-10-28 · regular $0.34 · foil $2.942025-10-28regular $0.34foil $2.94 2025-10-29 · regular $0.34 · foil $2.942025-10-29regular $0.34foil $2.94 2025-10-30 · regular $0.36 · foil $2.942025-10-30regular $0.36foil $2.94 2025-10-31 · regular $0.36 · foil $2.942025-10-31regular $0.36foil $2.94 2025-11-01 · regular $0.37 · foil $2.942025-11-01regular $0.37foil $2.94 2025-11-02 · regular $0.37 · foil $2.952025-11-02regular $0.37foil $2.95 2025-11-03 · regular $0.37 · foil $2.952025-11-03regular $0.37foil $2.95 2025-11-04 · regular $0.36 · foil $2.932025-11-04regular $0.36foil $2.93 2025-11-05 · regular $0.37 · foil $2.932025-11-05regular $0.37foil $2.93 2025-11-06 · regular $0.38 · foil $2.932025-11-06regular $0.38foil $2.93 2025-11-07 · regular $0.39 · foil $2.942025-11-07regular $0.39foil $2.94 2025-11-08 · regular $0.38 · foil $2.902025-11-08regular $0.38foil $2.90 2025-11-09 · regular $0.38 · foil $2.902025-11-09regular $0.38foil $2.90 2025-11-10 · regular $0.40 · foil $2.912025-11-10regular $0.40foil $2.91 2025-11-11 · regular $0.45 · foil $2.912025-11-11regular $0.45foil $2.91 2025-11-12 · regular $0.42 · foil $2.882025-11-12regular $0.42foil $2.88 2026-01-25 · regular $0.37 · foil $3.052026-01-25regular $0.37foil $3.05 2026-01-26 · regular $0.36 · foil $3.052026-01-26regular $0.36foil $3.05 2026-01-27 · regular $0.39 · foil $3.052026-01-27regular $0.39foil $3.05 2026-01-28 · regular $0.39 · foil $3.052026-01-28regular $0.39foil $3.05 2026-01-29 · regular $0.39 · foil $3.052026-01-29regular $0.39foil $3.05 2026-01-30 · regular $0.40 · foil $3.052026-01-30regular $0.40foil $3.05 2026-01-31 · regular $0.40 · foil $2.992026-01-31regular $0.40foil $2.99 2026-02-01 · regular $0.37 · foil $3.012026-02-01regular $0.37foil $3.01 2026-02-02 · regular $0.36 · foil $3.012026-02-02regular $0.36foil $3.01 2026-02-03 · regular $0.36 · foil $2.952026-02-03regular $0.36foil $2.95 2026-02-04 · regular $0.39 · foil $2.952026-02-04regular $0.39foil $2.95 2026-02-05 · regular $0.39 · foil $2.952026-02-05regular $0.39foil $2.95 2026-02-06 · regular $0.38 · foil $2.952026-02-06regular $0.38foil $2.95 2026-02-07 · regular $0.38 · foil $2.952026-02-07regular $0.38foil $2.95 2026-02-08 · regular $0.38 · foil $2.962026-02-08regular $0.38foil $2.96 2026-02-09 · regular $0.38 · foil $2.952026-02-09regular $0.38foil $2.95 2026-02-10 · regular $0.38 · foil $2.952026-02-10regular $0.38foil $2.95 2026-02-11 · regular $0.39 · foil $2.952026-02-11regular $0.39foil $2.95 2026-02-12 · regular $0.38 · foil $2.952026-02-12regular $0.38foil $2.95 2026-02-13 · regular $0.38 · foil $2.952026-02-13regular $0.38foil $2.95 2026-02-14 · regular $0.38 · foil $2.952026-02-14regular $0.38foil $2.95 2026-02-15 · regular $0.38 · foil $2.942026-02-15regular $0.38foil $2.94 2026-02-16 · regular $0.37 · foil $2.942026-02-16regular $0.37foil $2.94 2026-02-17 · regular $0.37 · foil $2.942026-02-17regular $0.37foil $2.94 2026-02-18 · regular $0.38 · foil $2.952026-02-18regular $0.38foil $2.95 2026-02-19 · regular $0.38 · foil $2.952026-02-19regular $0.38foil $2.95 2026-02-20 · regular $0.38 · foil $2.992026-02-20regular $0.38foil $2.99 2026-02-21 · regular $0.39 · foil $2.992026-02-21regular $0.39foil $2.99 2026-02-22 · regular $0.41 · foil $2.992026-02-22regular $0.41foil $2.99 2026-02-23 · regular $0.41 · foil $2.992026-02-23regular $0.41foil $2.99 2026-02-24 · regular $0.44 · foil $3.022026-02-24regular $0.44foil $3.02 2026-02-25 · regular $0.44 · foil $3.022026-02-25regular $0.44foil $3.02 2026-02-26 · regular $0.44 · foil $3.022026-02-26regular $0.44foil $3.02 2026-02-27 · regular $0.42 · foil $3.002026-02-27regular $0.42foil $3.00 2026-02-28 · regular $0.42 · foil $3.052026-02-28regular $0.42foil $3.05 2026-03-01 · regular $0.42 · foil $3.052026-03-01regular $0.42foil $3.05 2026-03-02 · regular $0.43 · foil $3.052026-03-02regular $0.43foil $3.05 2026-03-03 · regular $0.43 · foil $3.052026-03-03regular $0.43foil $3.05 2026-03-04 · regular $0.43 · foil $3.052026-03-04regular $0.43foil $3.05 2026-03-05 · regular $0.43 · foil $3.052026-03-05regular $0.43foil $3.05 2026-03-06 · regular $0.43 · foil $3.052026-03-06regular $0.43foil $3.05 2026-03-07 · regular $0.44 · foil $3.052026-03-07regular $0.44foil $3.05 2026-03-08 · regular $0.44 · foil $3.052026-03-08regular $0.44foil $3.05 2026-03-09 · regular $0.44 · foil $3.052026-03-09regular $0.44foil $3.05 2026-03-18 · regular $0.44 · foil $3.052026-03-18regular $0.44foil $3.05 2026-03-19 · regular $0.41 · foil $3.152026-03-19regular $0.41foil $3.15 2026-03-20 · regular $0.41 · foil $3.152026-03-20regular $0.41foil $3.15 2026-03-21 · regular $0.41 · foil $3.112026-03-21regular $0.41foil $3.11 2026-03-22 · regular $0.41 · foil $3.212026-03-22regular $0.41foil $3.21 2026-03-23 · regular $0.41 · foil $3.212026-03-23regular $0.41foil $3.21 2026-03-24 · regular $0.40 · foil $3.182026-03-24regular $0.40foil $3.18 2026-03-25 · regular $0.48 · foil $3.182026-03-25regular $0.48foil $3.18 2026-03-26 · regular $0.48 · foil $3.182026-03-26regular $0.48foil $3.18 2026-03-27 · regular $0.48 · foil $3.182026-03-27regular $0.48foil $3.18 2026-03-28 · regular $0.47 · foil $3.182026-03-28regular $0.47foil $3.18 2026-03-29 · regular $0.47 · foil $3.212026-03-29regular $0.47foil $3.21 2026-03-30 · regular $0.48 · foil $3.212026-03-30regular $0.48foil $3.21 2026-03-31 · regular $0.47 · foil $3.222026-03-31regular $0.47foil $3.22 2026-04-01 · regular $0.47 · foil $3.222026-04-01regular $0.47foil $3.22 2026-04-02 · regular $0.47 · foil $3.222026-04-02regular $0.47foil $3.22 2026-04-03 · regular $0.48 · foil $3.222026-04-03regular $0.48foil $3.22 2026-04-05 · regular $0.48 · foil $3.222026-04-05regular $0.48foil $3.22 2026-04-06 · regular $0.48 · foil $3.222026-04-06regular $0.48foil $3.22 2026-04-07 · regular $0.48 · foil $3.282026-04-07regular $0.48foil $3.28 2026-04-08 · regular $0.48 · foil $3.292026-04-08regular $0.48foil $3.29 2026-04-09 · regular $0.48 · foil $3.292026-04-09regular $0.48foil $3.29 2026-04-20 · regular $0.48 · foil $3.382026-04-20regular $0.48foil $3.38 2026-04-21 · regular $0.48 · foil $3.382026-04-21regular $0.48foil $3.38 2026-04-22 · regular $0.48 · foil $3.382026-04-22regular $0.48foil $3.38 2026-04-23 · regular $0.48 · foil $3.402026-04-23regular $0.48foil $3.40 2026-04-24 · regular $0.48 · foil $3.422026-04-24regular $0.48foil $3.42 2026-04-25 · regular $0.48 · foil $3.422026-04-25regular $0.48foil $3.42 2026-04-26 · regular $0.53 · foil $3.422026-04-26regular $0.53foil $3.42 2026-04-27 · regular $0.53 · foil $3.442026-04-27regular $0.53foil $3.44 2026-04-28 · regular $0.46 · foil $3.442026-04-28regular $0.46foil $3.44 2026-04-29 · regular $0.47 · foil $3.442026-04-29regular $0.47foil $3.44 2026-04-30 · regular $0.49 · foil $3.462026-04-30regular $0.49foil $3.46 2026-05-01 · regular $0.49 · foil $3.452026-05-01regular $0.49foil $3.45 2026-05-02 · regular $0.49 · foil $3.452026-05-02regular $0.49foil $3.45 2026-05-11 · regular $0.50 · foil $3.492026-05-11regular $0.50foil $3.49 2026-05-12 · regular $0.49 · foil $3.522026-05-12regular $0.49foil $3.52 2026-05-13 · regular $0.49 · foil $3.522026-05-13regular $0.49foil $3.52 2026-05-14 · regular $0.49 · foil $3.522026-05-14regular $0.49foil $3.52 2026-05-15 · regular $0.49 · foil $3.522026-05-15regular $0.49foil $3.52 2026-05-16 · regular $0.48 · foil $3.522026-05-16regular $0.48foil $3.52 2026-05-17 · regular $0.48 · foil $3.522026-05-17regular $0.48foil $3.52 2026-05-18 · regular $0.49 · foil $3.602026-05-18regular $0.49foil $3.60 2026-05-19 · regular $0.49 · foil $3.612026-05-19regular $0.49foil $3.61 2026-05-20 · regular $0.49 · foil $3.612026-05-20regular $0.49foil $3.61 2026-05-21 · regular $0.48 · foil $3.632026-05-21regular $0.48foil $3.63 2026-05-22 · regular $0.48 · foil $3.632026-05-22regular $0.48foil $3.63 2026-05-23 · regular $0.48 · foil $3.632026-05-23regular $0.48foil $3.63 2026-05-24 · regular $0.48 · foil $3.632026-05-24regular $0.48foil $3.63 2026-05-25 · regular $0.49 · foil $3.632026-05-25regular $0.49foil $3.63 2026-05-26 · regular $0.48 · foil $3.632026-05-26regular $0.48foil $3.63 2026-05-27 · regular $0.49 · foil $3.632026-05-27regular $0.49foil $3.63 2026-05-28 · regular $0.47 · foil $3.632026-05-28regular $0.47foil $3.63 2026-05-29 · regular $0.47 · foil $3.632026-05-29regular $0.47foil $3.63 2026-05-30 · regular $0.47 · foil $3.632026-05-30regular $0.47foil $3.63 2026-05-31 · regular $0.47 · foil $3.632026-05-31regular $0.47foil $3.63 2026-06-01 · regular $0.47 · foil $3.632026-06-01regular $0.47foil $3.63 2026-06-02 · regular $0.47 · foil $3.592026-06-02regular $0.47foil $3.59 2026-06-03 · regular $0.47 · foil $3.592026-06-03regular $0.47foil $3.59 2026-06-04 · regular $0.47 · foil $3.562026-06-04regular $0.47foil $3.56 2026-06-05 · regular $0.47 · foil $3.552026-06-05regular $0.47foil $3.55 2026-06-06 · regular $0.47 · foil $3.552026-06-06regular $0.47foil $3.55 2026-06-07 · regular $0.46 · foil $3.552026-06-07regular $0.46foil $3.55 2026-06-08 · regular $0.46 · foil $3.572026-06-08regular $0.46foil $3.57 2026-06-09 · regular $0.46 · foil $3.572026-06-09regular $0.46foil $3.57 2026-06-10 · regular $0.43 · foil $3.612026-06-10regular $0.43foil $3.61 2026-06-11 · regular $0.44 · foil $3.612026-06-11regular $0.44foil $3.61 2026-06-12 · regular $0.41 · foil $3.612026-06-12regular $0.41foil $3.61 2026-06-13 · regular $0.41 · foil $3.682026-06-13regular $0.41foil $3.68 2026-06-14 · regular $0.41 · foil $3.682026-06-14regular $0.41foil $3.68 2026-06-15 · regular $0.40 · foil $3.682026-06-15regular $0.40foil $3.68 2026-06-16 · regular $0.40 · foil $3.682026-06-16regular $0.40foil $3.68 2026-06-17 · regular $0.40 · foil $3.682026-06-17regular $0.40foil $3.68 2026-06-18 · regular $0.40 · foil $3.682026-06-18regular $0.40foil $3.68 2026-06-19 · regular $0.42 · foil $3.682026-06-19regular $0.42foil $3.68 2026-06-20 · regular $0.42 · foil $3.642026-06-20regular $0.42foil $3.64 2026-06-21 · regular $0.42 · foil $3.642026-06-21regular $0.42foil $3.64 2026-06-22 · regular $0.42 · foil $3.642026-06-22regular $0.42foil $3.64 2026-06-23 · regular $0.42 · foil $3.642026-06-23regular $0.42foil $3.64 2026-06-24 · regular $0.42 · foil $3.642026-06-24regular $0.42foil $3.64 2026-06-25 · regular $0.43 · foil $3.642026-06-25regular $0.43foil $3.64 2026-06-26 · regular $0.42 · foil $3.642026-06-26regular $0.42foil $3.64 2026-07-24 · regular $0.37 · foil $3.882026-07-24regular $0.37foil $3.88 2026-07-25 · regular $0.37 · foil $3.882026-07-25regular $0.37foil $3.88 2026-07-26 · regular $0.36 · foil $3.912026-07-26regular $0.36foil $3.91 2026-07-27 · regular $0.36 · foil $3.932026-07-27regular $0.36foil $3.93 2026-07-28 · regular $0.36 · foil $3.932026-07-28regular $0.36foil $3.93 2026-07-29 · regular $0.36 · foil $3.932026-07-29regular $0.36foil $3.93 2026-07-30 · regular $0.36 · foil $3.932026-07-30regular $0.36foil $3.93 2026-07-31 · regular $0.36 · foil $3.922026-07-31regular $0.36foil $3.92 2026-08-01 · regular $0.36 · foil $3.912026-08-01regular $0.36foil $3.91 2026-08-02 · regular $0.36 · foil $3.912026-08-02regular $0.36foil $3.91 2026-08-03 · regular $0.35 · foil $3.912026-08-03regular $0.35foil $3.91 2026-08-04 · regular $0.34 · foil $3.912026-08-04regular $0.34foil $3.91 2026-08-05 · regular $0.32 · foil $3.912026-08-05regular $0.32foil $3.91 2026-08-06 · regular $0.32 · foil $3.912026-08-06regular $0.32foil $3.91 2026-08-07 · regular $0.33 · foil $3.912026-08-07regular $0.33foil $3.91 2026-08-08 · regular $0.33 · foil $3.912026-08-08regular $0.33foil $3.91 2026-08-09 · regular $0.33 · foil $3.912026-08-09regular $0.33foil $3.91 2026-08-10 · regular $0.33 · foil $3.912026-08-10regular $0.33foil $3.91 2026-08-11 · regular $0.33 · foil $3.912026-08-11regular $0.33foil $3.91 2026-08-12 · regular $0.33 · foil $3.912026-08-12regular $0.33foil $3.91 2026-08-13 · regular $0.32 · foil $3.972026-08-13regular $0.32foil $3.97 2026-08-14 · regular $0.32 · foil $4.022026-08-14regular $0.32foil $4.02 2026-08-15 · regular $0.33 · foil $4.022026-08-15regular $0.33foil $4.02 2026-08-16 · regular $0.32 · foil $4.062026-08-16regular $0.32foil $4.06 2026-08-17 · regular $0.32 · foil $4.062026-08-17regular $0.32foil $4.06 2026-08-18 · regular $0.32 · foil $4.062026-08-18regular $0.32foil $4.06 2026-08-19 · regular $0.32 · foil $4.062026-08-19regular $0.32foil $4.06 2026-08-20 · regular $0.32 · foil $4.062026-08-20regular $0.32foil $4.06 2026-08-21 · regular $0.32 · foil $4.062026-08-21regular $0.32foil $4.06 2026-08-22 · regular $0.32 · foil $4.062026-08-22regular $0.32foil $4.06 2026-08-23 · regular $0.33 · foil $4.062026-08-23regular $0.33foil $4.06 2026-08-24 · regular $0.32 · foil $4.062026-08-24regular $0.32foil $4.06 2026-08-25 · regular $0.32 · foil $4.062026-08-25regular $0.32foil $4.06 2026-08-28 · regular $0.35 · foil $4.062026-08-28regular $0.35foil $4.06 2026-08-29 · regular $0.35 · foil $4.062026-08-29regular $0.35foil $4.06 2026-08-30 · regular $0.35 · foil $4.132026-08-30regular $0.35foil $4.13 2026-08-31 · regular $0.35 · foil $4.132026-08-31regular $0.35foil $4.13 2026-09-01 · regular $0.35 · foil $4.132026-09-01regular $0.35foil $4.13 2026-09-02 · regular $0.35 · foil $4.132026-09-02regular $0.35foil $4.13 2026-09-03 · regular $0.35 · foil $4.132026-09-03regular $0.35foil $4.13 2026-09-04 · regular $0.35 · foil $4.132026-09-04regular $0.35foil $4.13 2026-09-05 · regular $0.37 · foil $4.132026-09-05regular $0.37foil $4.13 2026-09-06 · regular $0.37 · foil $4.132026-09-06regular $0.37foil $4.13 2026-09-08 · regular $0.38 · foil $4.132026-09-08regular $0.38foil $4.13 2026-09-09 · regular $0.38 · foil $4.132026-09-09regular $0.38foil $4.13 2026-09-10 · regular $0.38 · foil $4.132026-09-10regular $0.38foil $4.13 2026-09-11 · regular $0.38 · foil $4.132026-09-11regular $0.38foil $4.13 2026-09-12 · regular $0.38 · foil $4.132026-09-12regular $0.38foil $4.13 2026-09-13 · regular $0.39 · foil $4.202026-09-13regular $0.39foil $4.20 2026-09-14 · regular $0.39 · foil $4.202026-09-14regular $0.39foil $4.20 2026-09-15 · regular $0.39 · foil $4.202026-09-15regular $0.39foil $4.20 2026-09-16 · regular $0.39 · foil $4.202026-09-16regular $0.39foil $4.20 2026-09-17 · regular $0.38 · foil $4.202026-09-17regular $0.38foil $4.20 2026-09-19 · regular $0.39 · foil $4.122026-09-19regular $0.39foil $4.12 2026-09-20 · regular $0.39 · foil $4.122026-09-20regular $0.39foil $4.12 2026-09-21 · regular $0.39 · foil $4.122026-09-21regular $0.39foil $4.12 2026-09-22 · regular $0.39 · foil $4.122026-09-22regular $0.39foil $4.12 2026-09-23 · regular $0.39 · foil $4.152026-09-23regular $0.39foil $4.15 2026-09-24 · regular $0.39 · foil $4.152026-09-24regular $0.39foil $4.15 2026-09-25 · regular $0.39 · foil $4.152026-09-25regular $0.39foil $4.15 2026-09-26 · regular $0.39 · foil $4.152026-09-26regular $0.39foil $4.15 2026-09-27 · regular $0.39 · foil $4.152026-09-27regular $0.39foil $4.15 2026-09-28 · regular $0.39 · foil $4.152026-09-28regular $0.39foil $4.15 2025-09-30 2026-09-28
regular foil · 232 days tracked · $0.42 → $0.39 (-7%) · low $0.29 · high $4.20
Daily USD snapshots; a flat stretch is a day with no new price recorded.

Other languages

The same printing (Final Fantasy Commander #150) in 5 other languages.

Store prices

The 3 cheapest per condition and finish, in stock at the last check. Offers not re-confirmed within 60 days are not shown.

StoreConditionFinishPriceChecked
CardmarketNM · todayNMregular€0.43today
Card KingdomNM · todayNMregular$0.59today
The Mystic StoreSP · 3 days agoSPregularCA$0.623 days ago
Bazaar of MagicNM · 4 days agoNMregular€0.704 days ago
CardmarketNM · foil · todayNMfoil€2.45today
Bazaar of MagicNM · foil · 4 days agoNMfoil€6.204 days ago
GameKeeperNM · foil · todayNMfoilCA$8.99today

Truncated: 2 further offers are available at a higher price in the same conditions, out of 9 in total.

Format legality

  • standard: not legal
  • pioneer: not legal
  • modern: not legal
  • legacy: legal
  • vintage: legal
  • commander: legal
  • pauper: not legal
  • brawl: not legal

In Gestic collections

  • Held in 4 lists
  • 6 copies tracked

Decks that play this card

Browse all decks

All printings of Avalanche of Sector 7

USD · low $0.21 · high $0.39

Set#RarityUSD
Final Fantasy Commander#150 · rare150rare$0.39
Final Fantasy Commander#53 · rare53rare$0.21