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 - $5,000
Lightly Played - $4,000
Moderately Played - $3,500
Heavily Played - $3,000
Damaged - $2,500
Near Mint Spanish - $5,000
Lightly Played Spanish - $4,000
Moderately Played Spanish - $3,500
Heavily Played Spanish - $3,000
Damaged Spanish - $2,500