Sword of Kaldra 251 (Mirrodin)

Equipped creature gets +5/+5. Whenever equipped creature deals damage to a creature, exile that creature. (Exile it only if it's still on the battlefield.) Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

NM - $38.70
LP - $31.00
MP - $23.30
HP - $15.50
DMG - $7.80