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
Unleash Fury 1RInstant Double the power of target creature until end of turn.
Magnivore 2RRCreature — Lhurgoyf Haste (This creature can attack and {T} as soon as it comes under your control.) Magnivore's power and toughness are each equal to the number of sorcery cards in all graveyards. */*
Assault Formation 1GEnchantment Each creature you control assigns combat damage equal to its toughness rather than its power. {G}: Target creature with defender can attack this turn as though it didn't have defender. {2}{G}: Creatures you control get +0/+1 until end of turn.
Wayfaring Temple 1GWCreature — Elemental Wayfaring Temple's power and toughness are each equal to the number of creatures you control. Whenever Wayfaring Temple deals combat damage to a player, populate. (Create a token that's a copy of a creature token you control.) */*
Toymaker 2Artifact Creature — Spellshaper {1}, {T}, Discard a card: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn. (It retains its abilities.) 1/1
Veteran Warleader 1GWCreature — Human Soldier Ally Veteran Warleader's power and toughness are each equal to the number of creatures you control. Tap another untapped Ally you control: Veteran Warleader gains your choice of first strike, vigilance, or trample until end of turn. */*
Tishana, Voice of Thunder 5GULegendary Creature — Merfolk Shaman Tishana, Voice of Thunder's power and toughness are each equal to the number of cards in your hand. You have no maximum hand size. When Tishana enters the battlefield, draw a card for each creature you control. */*
Terravore 1GGCreature — Lhurgoyf Trample Terravore's power and toughness are each equal to the number of land cards in all graveyards. */*
Starfield of Nyx 4WEnchantment At the beginning of your upkeep, you may return target enchantment card from your graveyard to the battlefield. As long as you control five or more enchantments, each other non-Aura enchantment you control is a creature in addition to its other types and has base power and base toughness each equal to its mana value.
Crater Elemental 2RCreature — Elemental {R}, {T}, Sacrifice Crater Elemental: It deals 4 damage to target creature. Formidable — {2}{R}: Crater Elemental has base power 8 until end of turn. Activate only if creatures you control have total power 8 or greater. 0/6
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