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.
NM-Mint - $7.40
Lightly Played - $6.60
Moderately Played - $5.90
Heavily Played - $5.20
Damaged - $3.70
NM-Mint Non English - $7.40
Lightly Played Non English - $6.60
Moderately Played Non English - $5.90
Heavily Played Non English - $5.20
Damaged Non English - $3.70