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 - $5.30
Lightly Played - $5.10
Moderately Played - $4.80
Heavily Played - $4.30
Damaged - $3.50
NM-Mint Non English - $5.30
Lightly Played Non English - $5.10
Moderately Played Non English - $4.80
Heavily Played Non English - $4.30
Damaged Non English - $3.50