Mercurial Transformation 
Sorcery — Lesson
$0.27 #17570 0.06 5.5 years
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.
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Cards similar to Mercurial Transformation expected a card that isn't here?
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Turn to Frog93%
$0.18↓#9066↑0.29↑15.3 years↑
"Until end of turn, target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1."
Serpentine Ambush90%
$0.12↓#187360.004.9 years
"Until end of turn, target creature becomes a blue Serpent with base power and toughness 5/5."
Snakeform90%
$0.16↓#202450.38↑18.2 years↑
"Until end of turn, target creature loses all abilities and becomes a green Snake with base power and toughness 1/1."
Gift of Tusks88%
$0.09↓#23827↓0.0610.7 years↑
"Until end of turn, target creature loses all abilities and becomes a green Elephant with base power and toughness 3/3."
Polymorphist's Jest88%
$8.06↑#4643↑0.58↑12.3 years↑
"Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1."
Fractalize87%
$0.21↓#186260.020.5 years↓
"Until end of turn, target creature becomes a green and blue Fractal with base power and toughness each equal to X plus 1."
Startling Development86%
$0.10↓#21716↓0.006.5 years
"Until end of turn, target creature becomes a blue Serpent with base power and toughness 4/4."
Dance of the Skywise86%
$0.15↓#28464↓0.1411.6 years↑
"Until end of turn, target creature you control becomes a blue Dragon Illusion with base power and toughness 4/4, loses all abilities, and gains flying."
Phantasmal Form86%
$0.06↓#24986↓0.36↑7.4 years↑
"Until end of turn, up to two target creatures each have base power and toughness 3/3, gain flying, and become blue Illusions in addition to their other colors and types."
Turn // Burn84%
$0.10↓#194740.0613.5 years↑
"Until end of turn, target creature loses all abilities and becomes a red Weird with base power and toughness 0/1."
Scale Up84%
$0.38↑#7133↑0.077.4 years↑
"Until end of turn, target creature you control becomes a green Wurm with base power and toughness 6/4."
Lizard, Connors's Curse84%
$0.35↑#10481↑0.67↑1.1 years↓
"When this card enters, up to one other target creature loses all abilities and becomes a green this card creature with base power and toughness 4/4."
Frogify84%
$0.22↓#4732↑0.60↑7.0 years↑
"Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1."
Dragonshift82%
$0.17↓#21534↓0.1113.5 years↑
"Until end of turn, target creature you control becomes a blue and red Dragon with base power and toughness 4/4, loses all abilities, and gains flying."
Ichthyomorphosis82%
$0.15↓#144300.37↑6.7 years↑
"Enchanted creature loses all abilities and is a blue Fish with base power and toughness 0/1."
Humble79%
$0.14↓#22163↓0.1428.0 years↑
"Until end of turn, target creature loses all abilities and has base power and toughness 0/1."
Eaten by Piranhas78%
$0.28↑#3952↑0.34↑2.9 years↓
"Enchanted creature loses all abilities and is a black Skeleton creature with base power and toughness 1/1."
Sea Kings' Blessing78%
$5.68↑#25549↓0.1432.4 years↑
"One or more target creatures become blue until end of turn."
Kenrith's Transformation78%
$0.34↑#751↑0.71↑7.0 years↑
"Enchanted creature loses all abilities and is a green Elk creature with base power and toughness 3/3."
Noggle the Mind77%
$0.18↓#10850↑0.46↑0.7 years↓
"Enchanted creature loses all abilities and is a colorless Noggle with base power and toughness 1/1."