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 Grafted Exoskeleton becomes unattached from a permanent, sacrifice that permanent.
Near Mint - $7.60
Lightly Played - $6.80
Played - $5.30
Heavily Played - $4.60
Damaged - $3.80
Near Mint Non-English - $7.60
Lightly Played Non-English - $6.80
Played Non-English - $5.30
Heavily Played Non-English - $4.60
Damaged Non-English - $3.80