Altaïr, Brotherhood Mentor

Kelsien, the Plague

Secret Lair Drop · #1558 · mythic · EN

€12.49 · Foil $12.13

cheapest of 15 store offers · see all

market $14.38 · Foil $19.43

Mana cost: {R}{W}{B}

Type: Legendary Creature — Human Assassin

Commonly played as: Removal, Burn

Vigilance, haste
Kelsien gets +1/+1 for each experience counter you have.
{T}: Kelsien deals 1 damage to target creature you don't control. When that creature dies this turn, you get an experience counter.

Artist: Dan Watson

Released: 2024-06-24

Finishes: Nonfoil, Foil

Market price

  • TCGplayer: $14.38
  • Cardmarket foil (converted): $19.43
  • Cardmarket: €13.88
  • Cardmarket foil: €17.48
  • MTGO tix: 0
$19.64$13.32
233 days of daily prices for Altaïr, Brotherhood Mentor: $13.39 to $14.38
2026-01-252026-11-12
regular foil · 233 days tracked · $13.39 → $14.38 (+7%) · low $13.32 · high $19.64
Daily USD snapshots; a flat stretch is a day with no new price recorded.

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. Prices in different currencies are compared at the current exchange rate.

StoreConditionFinishPriceChecked
ManaPoolSP · foil · todaySPfoil$12.13today
ManaPoolNM · foil · todayNMfoil$13.19today
CardTraderSP · 3 days agoSPregular€12.493 days ago
Card KingdomNM · foil · 3 days agoNMfoil$13.993 days ago
Face To Face GamesNM · foil · yesterdayNMfoilCA$19.99yesterday
ManaPoolNM · todayNMregular$14.33today
ManaPoolMP · todayMPregular$15.10today
ManaPoolSP · todaySPregular$15.15today
CardmarketNM · todayNMregular€14.30today
CardTraderSP · foil · 3 days agoSPfoil€16.173 days ago
CardTraderNM · 3 days agoNMregular€16.253 days ago

Truncated: 4 further offers are available at a higher price in the same conditions, out of 15 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 14 lists
  • Played in 1 deck
  • 15 copies tracked

Decks that play this card

Browse all decks

All printings of Altaïr, Brotherhood Mentor

USD · low $2.54 · high $14.38

Set#RarityUSD
Secret Lair Drop#1558 · mythic1558mythic$14.38
Commander 2020#11 · mythic11mythic$2.54