Embercleave is a mythic Legendary Artifact — Equipment card from Throne of Eldraine (ELD), collector number 359. Current market price: $16.73 (foil $42.30), TCGplayer market prices via Scryfall.
Flash This spell costs {1} less to cast for each attacking creature you control. When Embercleave enters, attach it to target creature you control. Equipped creature gets +1/+1 and has double strike and trample. Equip {3}