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
Skulduggery BInstant Until end of turn, target creature you control gets +1/+1 and target creature an opponent controls gets -1/-1.
Betrayal at the Vault 4GGInstant Target creature you control deals damage equal to its power to each of two other target creatures.
Tymaret, Chosen from Death BBLegendary Enchantment Creature — Demigod Tymaret's toughness is equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) {1}{B}: Exile up to two target cards from graveyards. You gain 1 life for each creature card exiled this way. 2/*
Asceticism 3GGEnchantment Creatures you control have hexproof. {1}{G}: Regenerate target creature. (The next time it would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)
Ollenbock Escort WCreature — Human Cleric Vigilance Sacrifice Ollenbock Escort: Target creature you control with a +1/+1 counter on it gains lifelink and indestructible until end of turn. 1/1
Twist Allegiance 6RSorcery You and target opponent each gain control of all creatures the other controls until end of turn. Untap those creatures. Those creatures gain haste until end of turn.
Ikiral Outrider 1WCreature — Human Soldier Level up {4} ({4}: Put a level counter on this. Level up only as a sorcery.) LEVEL 1-3 2/6 Vigilance LEVEL 4+ 3/10 Vigilance 1/2
Tactical Advantage WInstant Target blocking or blocked creature you control gets +2/+2 until end of turn.
Soul's Fire 2RInstant Target creature you control deals damage equal to its power to any target.
Gargoyle Sentinel 3Artifact Creature — Gargoyle Defender (This creature can't attack.) {3}: Until end of turn, Gargoyle Sentinel loses defender and gains flying. 3/3
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