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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
Ghostly Flame BREnchantment Black and/or red permanents and spells are colorless sources of damage.
Haunting Apparition 1UBCreature — Spirit Flying As Haunting Apparition enters the battlefield, choose an opponent. Haunting Apparition's power is equal to 1 plus the number of green creature cards in the chosen player's graveyard. 1+*/2
Gore Vassal 2WCreature — Phyrexian Dog Sacrifice Gore Vassal: Put a -1/-1 counter on target creature. Then if that creature's toughness is 1 or greater, regenerate it. 2/1
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Grim Contest 1BGInstant Choose target creature you control and target creature an opponent controls. Each of those creatures deals damage equal to its toughness to the other.
Somberwald Alpha 3GCreature — Wolf Whenever a creature you control becomes blocked, it gets +1/+1 until end of turn. {1}{G}: Target creature you control gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.) 3/2
Cavernous Maw Land — Cave {T}: Add {C}. {2}: Cavernous Maw becomes a 3/3 Elemental creature until end of turn. It's still a Cave land. Activate only if the number of other Caves you control plus the number of Cave cards in your graveyard is three or greater.
Opportunistic Dragon 2RRCreature — Dragon Flying When Opportunistic Dragon enters the battlefield, choose target Human or artifact an opponent controls. For as long as Opportunistic Dragon remains on the battlefield, gain control of that permanent, it loses all abilities, and it can't attack or block. 4/3
Nacatl Outlander RGCreature — Cat Scout Protection from blue 2/2
Skanos, Dragon Vassal 4GLegendary Creature — Dragon Ranger Specialize {4} Whenever Skanos, Dragon Vassal attacks, another target attacking creature gets +X/+0 until end of turn, where X is Skanos's power. 4/4
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