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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
Scuttling Sentinel 1G/UG/UCreature — Crab Elf Flash Vigilance When Scuttling Sentinel enters the battlefield, put a +1/+1 counter on another target creature you control. Until end of turn, that creature becomes a blue Crab in addition to its other types and gains hexproof. (It can't be the target of spells or abilities your opponents control.) 3/2
Pointy Finger of Doom 4Artifact {3}, {T}: Spin Pointy Finger of Doom in the middle of the table so that it rotates completely at least once, then destroy the closest permanent the finger points to.
Eriette, the Beguiler 1WUBLegendary Creature — Human Warlock Lifelink Whenever an Aura you control becomes attached to a nonland permanent an opponent controls with mana value less than or equal to that Aura's mana value, gain control of that permanent for as long as that Aura is attached to it. 4/4
Serum Snare 1UInstant Return target nonland permanent to its owner's hand. If that permanent had mana value 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Illithid Harvester 4UCreature — Horror Ceremorphosis — When Illithid Harvester enters the battlefield, turn any number of target tapped nontoken creatures face down. They're 2/2 Horror creatures. 4/4
Sarkhan the Masterless 3RRLegendary Planeswalker — Sarkhan Whenever a creature attacks you or a planeswalker you control, each Dragon you control deals 1 damage to that creature. [+1]: Until end of turn, each planeswalker you control becomes a 4/4 red Dragon creature and gains flying. [−3]: Create a 4/4 red Dragon creature token with flying. Loyalty 5
Ashcoat Bear 1GCreature — Bear Flash (You may cast this spell any time you could cast an instant.) 2/2
Steel Hellkite 6Artifact Creature — Dragon Flying {2}: Steel Hellkite gets +1/+0 until end of turn. {X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by Steel Hellkite this turn. Activate only once each turn. 5/5
Angelic Protector 3WCreature — Angel Flying Whenever Angelic Protector becomes the target of a spell or ability, Angelic Protector gets +0/+3 until end of turn. 2/2
Niambi, Beloved Protector WULegendary Creature — Human Cleric Flash When Niambi, Beloved Protector enters the battlefield, if you cast it, choose target nonlegendary creature card in your graveyard that was put there from the battlefield this turn. Return it to the battlefield. It perpetually gains "Whenever this creature becomes the target of a spell or ability, draw a card. This ability triggers only once each turn." 2/2
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