Mona Lisa, Ever Adaptable (126)

Teenage Mutant Ninja Turtles Eternal Mona Lisa, Ever Adaptable Legendary Creature Lizard Mutant Whenever a player casts a creature spell, you create a Mutagen token. (It's an artifact with ", , Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")
"Being surrounded by a little chaos is normally my little happy place, but . . ." Power: 4 Toughness: 4 Illustrated by April Prime All Magic: The Gathering (MTG) card images and symbols Wizards of the Coast