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17 May 2024: Card library updated.

Mercurial Transformation

1U · Sorcery — Lesson

Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.

Similar cards

Color identity:
NameManaTypeText
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Streetwise Negotiator 1GCreature — Cat Citizen Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) This creature assigns combat damage equal to its toughness rather than its power. 0/2
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Blood Lust 1RInstant If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1.
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Soulless One 3BCreature — Zombie Avatar Soulless One's power and toughness are each equal to the number of Zombies on the battlefield plus the number of Zombie cards in all graveyards. */*
Phyrexian Ingester 6UCreature — Phyrexian Beast Imprint — When Phyrexian Ingester enters the battlefield, you may exile target nontoken creature. Phyrexian Ingester gets +X/+Y, where X is the exiled creature card's power and Y is its toughness. 3/3
Serpent of the Endless Sea 4UCreature — Serpent Serpent of the Endless Sea's power and toughness are each equal to the number of Islands you control. Serpent of the Endless Sea can't attack unless defending player controls an Island. */*
Master of Etherium 2UArtifact Creature — Vedalken Wizard Master of Etherium's power and toughness are each equal to the number of artifacts you control. Other artifact creatures you control get +1/+1. */*
Tezzeret, Betrayer of Flesh 2UULegendary Planeswalker — Tezzeret The first activated ability of an artifact you activate each turn costs {2} less to activate. [+1]: Draw two cards. Then discard two cards unless you discard an artifact card. [−2]: Target artifact becomes an artifact creature. If it isn't a Vehicle, it has base power and toughness 4/4. [−6]: You get an emblem with "Whenever an artifact you control becomes tapped, draw a card." Loyalty 4
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