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
Trueheart Twins 4RCreature — Jackal Warrior You may exert Trueheart Twins as it attacks. (It won't untap during your next untap step.) Whenever you exert a creature, creatures you control get +1/+0 until end of turn. 4/4
Ruthless Technomancer 3BCreature — Human Wizard When Ruthless Technomancer enters the battlefield, you may sacrifice another creature you control. If you do, create a number of Treasure tokens equal to that creature's power. {2}{B}, Sacrifice X artifacts: Return target creature card with power X or less from your graveyard to the battlefield. X can't be 0. 2/4
Hexbane Tortoise 2GCreature — Turtle Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.) 3/2
Inspiring Call 2GInstant Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)
Dead Before Sunrise 3RInstant Until end of turn, outlaw creatures you control get +1/+0 and gain "{T}: This creature deals damage equal to its power to target creature." (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)
Souls of the Lost 1BCreature — Spirit As an additional cost to cast this spell, discard a card or sacrifice a permanent. Fathomless descent — Souls of the Lost's power is equal to the number of permanent cards in your graveyard and its toughness is equal to that number plus 1. */*+1
Outlaws' Fury 2RInstant Creatures you control get +2/+0 until end of turn. If you control an outlaw, exile the top card of your library. Until the end of your next turn, you may play that card. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)
Skanos, Green Dragon Vassal 4GGLegendary Creature — Dragon Ranger Vigilance Whenever Skanos, Green Dragon Vassal attacks, untap another target attacking creature. It gets +X/+0 until end of turn, where X is Skanos's power. 6/6
Narnam Cobra 2Artifact Creature — Snake {G}: Narnam Cobra gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.) 2/1
Run 3RGInstant Attacking creatures you control get +1/+0 until end of turn for each other attacking creature.
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