Grafted Exoskeleton (TD2-074) [Duel Decks: Mirrodin Pure vs. New Phyrexia]

Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever this Equipment becomes unattached from a permanent, sacrifice that permanent.
Equip {2}