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
Dormant Grove 3GEnchantment At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. Then if that creature has toughness 6 or greater, transform Dormant Grove.
Alabaster Mage 1WCreature — Human Wizard {1}{W}: Target creature you control gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.) 2/1
Tail Swipe GInstant Choose target creature you control and target creature you don't control. If you cast this spell during your main phase, the creature you control gets +1/+1 until end of turn. Then those creatures fight each other. (Each deals damage equal to its power to the other.)
Unexpected Allies 1RSorcery Target nontoken creature you control gets +2/+0 and gains double team until end of turn. It also gains first strike until end of turn if it has the same name as another creature you control or a creature card in your graveyard.
Dauntless Escort 1GWCreature — Rhino Soldier Sacrifice Dauntless Escort: Creatures you control gain indestructible until end of turn. 3/3
Battershield Warrior 2WCreature — Human Warrior Boast — {1}{W}: Creatures you control get +1/+1 until end of turn. (Activate only if this creature attacked this turn and only once each turn.) 2/2
Primal Empathy 1GUEnchantment At the beginning of your upkeep, draw a card if you control a creature with the greatest power among creatures on the battlefield. Otherwise, put a +1/+1 counter on a creature you control.
Might of the Ancestors 2WEnchantment At the beginning of combat on your turn, target creature you control gets +2/+0 and gains vigilance until end of turn.
Angelheart Protector 2WCreature — Human Cleric When Angelheart Protector enters the battlefield, target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) 3/2
Temporary Insanity 3RInstant Untap target creature with power less than the number of cards in your graveyard and gain control of it until end of turn. That creature gains haste until end of turn.
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