Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Biomass Mutation

XG/UG/U · Instant

Creatures you control have base power and toughness X/X until end of turn.

Similar cards

Color identity:
NameManaTypeText
Downhill Charge 2RInstant You may sacrifice a Mountain rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn, where X is the number of Mountains you control.
Kor Aeronaut WWCreature — Kor Soldier Kicker {1}{W} (You may pay an additional {1}{W} as you cast this spell.) Flying When Kor Aeronaut enters the battlefield, if it was kicked, target creature gains flying until end of turn. 2/2
Power Plant Worker 5Artifact Creature — Assembly-Worker {3}: Power Plant Worker gets +2/+2 until end of turn. If you control creatures named Mine Worker and Tower Worker, put two +1/+1 counters on Power Plant Worker instead. Activate only once each turn. 4/4
Stern Marshal 2WCreature — Human Soldier {T}: Target creature gets +2/+2 until end of turn. Activate only during your turn, before attackers are declared. 2/2
Roar of Jukai 2GInstant — Arcane If you control a Forest, each blocked creature gets +2/+2 until end of turn. Splice onto Arcane—An opponent gains 5 life. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
Chilling Trap UInstant Target creature gets -4/-0 until end of turn. If you control a Wizard, draw a card.
Stream of Unconsciousness UTribal Instant — Wizard Target creature gets -4/-0 until end of turn. If you control a Wizard, draw a card.
Second Breakfast 2WInstant Up to two target creatures each get +2/+1 until end of turn. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
Bone Shaman 2RRCreature — Giant Shaman {B}: Until end of turn, Bone Shaman gains "Creatures dealt damage by Bone Shaman this turn can't be regenerated this turn." 3/3
Anointer of Champions WCreature — Human Cleric {T}: Target attacking creature gets +1/+1 until end of turn. 1/1
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