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
Mogg Cannon 2Artifact {T}: Target creature you control gets +1/+0 and gains flying until end of turn. Destroy that creature at the beginning of the next end step.
Zhang He, Wei General 3BBLegendary Creature — Human Soldier Horsemanship (This creature can't be blocked except by creatures with horsemanship.) Whenever Zhang He, Wei General attacks, each other creature you control gets +1/+0 until end of turn. 4/2
Built to Last WInstant Target creature gets +2/+2 until end of turn. If it's an artifact creature, it gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
Case of the Gateway Express 1WEnchantment — Case When this Case enters the battlefield, choose target creature you don't control. Each creature you control deals 1 damage to that creature. To solve — Three or more creatures attacked this turn. (If unsolved, solve at the beginning of your end step.) Solved — Creatures you control get +1/+0.
Heroic Intervention 1GInstant Permanents you control gain hexproof and indestructible until end of turn.
Invert the Skies 3G/UInstant Creatures your opponents control lose flying until end of turn if {G} was spent to cast this spell, and creatures you control gain flying until end of turn if {U} was spent to cast this spell. (Do both if {G}{U} was spent.)
Undying Evil BInstant Target creature gains undying until end of turn. (When it dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
Supply Drop 3Artifact Flash When Supply Drop enters the battlefield, target creature you control gets +2/+2 until end of turn. {4}, {T}, Sacrifice Supply Drop: Draw a card.
Karlov Watchdog 3WCreature — Dog Vigilance Permanents your opponents control can't be turned face up during your turn. Whenever you attack with three or more creatures, creatures you control get +1/+1 until end of turn. 3/2
Junkyo Bell 4Artifact At the beginning of your upkeep, you may have target creature you control get +X/+X until end of turn, where X is the number of creatures you control. If you do, sacrifice that creature at the beginning of the next end step.
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