Mutagen Man, Living Ooze (TMT-124) - Teenage Mutant Ninja Turtles

Trample

Activated abilities of artifact tokens you control cost 1 less to activate.

When Mutagen Man enters, create X Mutagen tokens. (They’re artifacts with “1, T, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)