Phyresis Roach 
Creature — Phyrexian Insect
Toxic 1 Whenever Phyresis Roach deals combat damage to a player, Insects you control and Insect cards in your graveyard, hand, and library perpetually gain toxic 1.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL