Mona Lisa Ever Adaptable 126 (Commander: Teenage Mutant Ninja Turtles)

Whenever a player casts a creature spell, you create a Mutagen token. (It's an artifact with "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")

NM - $6.50
LP - $5.20
MP - $3.90
HP - $2.60
DMG - $1.50