Willing Test Subject

1 printing · from $0.13 · pictured: Unstable #126

€0.08

cheapest of 34 store offers · see all

market $0.13

Mana cost: {2}{G}

Type: Creature — Spider Monkey Scientist

Reach
Whenever you roll a 4 or higher on a die, put a +1/+1 counter on this creature.
{6}: Roll a six-sided die.

Artist: Dmitry Burmak

Released: 2017-12-08

Market price

  • TCGplayer: $0.13
  • Cardmarket foil (converted): $0.59
  • Cardmarket: €0.08
  • Cardmarket foil: €0.53
  • MTGO tix: 0
$0.60$0.10
231 days of daily prices for Willing Test Subject: $0.11 to $0.13
2026-01-252026-11-12
regular foil · 231 days tracked · $0.11 → $0.13 (+18%) · low $0.10 · high $0.60
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
CardmarketNM · todayNMregular€0.08today
CardTraderNM · 3 days agoNMregular€0.113 days ago
CardTraderSP · 3 days agoSPregular€0.113 days ago
The Comic HunterNM · 2 days agoNMregularCA$0.212 days ago
ManaPoolMP · todayMPregular$0.15today
ManaPoolSP · todaySPregular$0.15today
McNabb GamesSP · 2 days agoSPregular$0.162 days ago
CardTraderMP · 3 days agoMPregular€0.173 days ago
CardTraderHP · 3 days agoHPregular€0.193 days ago
MTG MexicoMP · 4 days agoMPregular5.39 MXN4 days ago
CardTraderSP · foil · 3 days agoSPfoil€0.273 days ago
CardTraderNM · foil · 3 days agoNMfoil€0.283 days ago
ManaPoolSP · foil · todaySPfoil$0.38today
TopDeck HeroSP · foil · todaySPfoilCA$0.59today
The Comic HunterNM · foil · 2 days agoNMfoilCA$0.702 days ago
CardmarketNM · foil · todayNMfoil€0.53today
ManaPoolMP · foil · todayMPfoil$0.63today

Truncated: 17 further offers are available at a higher price in the same conditions, out of 34 in total.

Format legality

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

In Gestic collections

  • Held in 9 lists

All printings

Set#RarityUSD
Unstable#126 · common126common$0.13