Blight Mamba 
Creature — Phyrexian Snake
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
: Regenerate this creature.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL