Grafted Exoskeleton 
Artifact — Equipment
$7.08 #2307 1.08 16.1 years
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 
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Cards similar to Grafted Exoskeleton expected a card that isn't here?
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Tainted Strike85%
$3.68↓#23461.1316.1 years
"Target creature gets +1/+0 and gains infect until end of turn."
Grafted Wargear78%
$0.31↓#9330↓0.19↓22.4 years↑
"Whenever this Equipment becomes unattached from a permanent, sacrifice that permanent."
+1 more matching line
Stitcher's Graft78%
$0.14↓#22060↓0.25↓10.2 years↓
"Whenever this Equipment becomes unattached from a permanent, sacrifice that permanent."
+2 more matching lines
Corrupted Conscience76%
$0.54↓#6012↓1.0515.7 years
"Enchanted creature has infect."
Phyresis76%
$2.32↓#2894↓0.91↓15.7 years
"Enchanted creature has infect."
Triumph of the Hordes75%
$10.90↑#1179↑1.37↑15.4 years
"Until end of turn, creatures you control get +1/+1 and gain trample and infect."