Splinter the Mentor 0003 Borderless 3 (Commander: Teenage Mutant Ninja Turtles)

Menace Whenever Splinter or another nontoken creature you control leaves the battlefield, create a Mutagen token. Partner—Character select (You can have two commanders if both have this ability.)

NM - $4.00
LP - $3.20
MP - $2.40
HP - $2.20
DMG - $2.20