Amorphous Axe is a common Artifact — Equipment card from Commander Legends (CMR), collector number 295. Current market price: $0.23 (foil $0.26), TCGplayer market prices via Scryfall.
Equipped creature gets +3/+0 and is every creature type. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)