Novel Nunchaku is a uncommon Artifact — Equipment card from Teenage Mutant Ninja Turtles (TMT), collector number 127. Current market price: $0.20 (foil $0.30), TCGplayer market prices via Scryfall.
When this Equipment enters, attach it to target creature you control. When you do, equipped creature fights up to one target creature an opponent controls. (Each deals damage equal to its power to the other.) Equipped creature gets +1/+1 and has trample. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)