Blightbelly Rat (Showcase) (Step-and-Compleat Foil) (ONE-435) - Phyrexia: All Will Be One: (Showcase) Foil

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)
When this creature dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)