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
You See a Pair of Goblins 2RInstant Choose one — • Charge Them — Creatures you control get +2/+0 until end of turn. • Befriend Them — Create two 1/1 red Goblin creature tokens.
Seize the Spotlight 2RSorcery Each opponent chooses fame or fortune. For each player who chose fame, gain control of a creature that player controls until end of turn. Untap those creatures and they gain haste until end of turn. For each player who chose fortune, you draw a card and create a Treasure token.
Whiteout 1GInstant All creatures lose flying until end of turn. Sacrifice a snow land: Return Whiteout from your graveyard to your hand.
Ravenous Intruder 1RCreature — Gremlin Sacrifice an artifact: Ravenous Intruder gets +2/+2 until end of turn. 1/2
Arm the Cathars 1WWSorcery Until end of turn, target creature gets +3/+3, up to one other target creature gets +2/+2, and up to one other target creature gets +1/+1. Those creatures gain vigilance until end of turn.
Day's Undoing 2USorcery Each player shuffles their hand and graveyard into their library, then draws seven cards. If it's your turn, end the turn. (Exile all spells and abilities from the stack, including this card. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)
Flaying Tendrils 1BBSorcery Devoid (This card has no color.) All creatures get -2/-2 until end of turn. If a creature would die this turn, exile it instead.
Leonin Vanguard WCreature — Cat Soldier At the beginning of combat on your turn, if you control three or more creatures, Leonin Vanguard gets +1/+1 until end of turn and you gain 1 life. 1/1
Deafening Clarion 1RWSorcery Choose one or both — • Deafening Clarion deals 3 damage to each creature. • Creatures you control gain lifelink until end of turn.
Feast of Succession 4BBSorcery All creatures get -4/-4 until end of turn. You become the monarch.
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