When this creature enters, 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.")
"Wondering what I've got in the box? Pain, soldier! And lots of it!"
—Herman
![Crustacean Commando [Teenage Mutant Ninja Turtles]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/77bdcdcd-8f85-58d6-92bb-c7492fd3f2c6.png?v=1771631189&width=1445)