Quintessential Katana (Teenage Mutant Ninja Turtles)
Artifact Ñ Equipment - Equipped creature gets +1/+1 and has "Whenever this creature deals combat damage, untap it and you gain 2 life." Whenever a Ninja you control enters, you may attach this Equipment to it. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)