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
Profaner of the Dead 3UCreature — Naga Wizard Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Profaner of the Dead exploits a creature, return to their owners' hands all creatures your opponents control with toughness less than the exploited creature's toughness. 3/3
Baird, Argivian Recruiter RWLegendary Creature — Human Soldier At the beginning of your end step, if you control a creature with power greater than its base power, create a 1/1 white Soldier creature token. 2/2
Welcome to the Fold 2UUSorcery Madness {X}{U}{U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) Gain control of target creature if its toughness is 2 or less. If this spell's madness cost was paid, instead gain control of that creature if its toughness is X or less.
Symmetry Matrix 4Artifact Whenever a creature with power equal to its toughness enters the battlefield under your control, you may pay {1}. If you do, draw a card.
Treefolk Umbra 2GEnchantment — Aura Enchant creature Enchanted creature gets +0/+2 and assigns combat damage equal to its toughness rather than its power. Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
Stalwart Pathlighter 2WCreature — Human Soldier Vigilance Coven — At the beginning of combat on your turn, if you control three or more creatures with different powers, creatures you control gain indestructible until end of turn. 3/1
Hallowed Haunting 2WWEnchantment As long as you control seven or more enchantments, creatures you control have flying and vigilance. Whenever you cast an enchantment spell, create a white Spirit Cleric creature token with "This creature's power and toughness are each equal to the number of Spirits you control."
Pendelhaven Elder 1GCreature — Elf Shaman {T}: Each 1/1 creature you control gets +1/+2 until end of turn. 1/1
War-Trained Slasher 3RCreature — Wolverine Dinosaur Menace (This creature can't be blocked except by two or more creatures.) Whenever War-Trained Slasher attacks a battle, double its power until end of turn. 4/3
Sewer Nemesis 3BCreature — Horror As Sewer Nemesis enters the battlefield, choose a player. Sewer Nemesis's power and toughness are each equal to the number of cards in the chosen player's graveyard. Whenever the chosen player casts a spell, that player mills a card. */*
Page 48