Spinal Graft 
Enchantment — Aura
Enchant creature Enchanted creature gets +3/+3. When enchanted creature becomes the target of a spell or ability, destroy that creature. It can't be regenerated.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL