Maul of the Skyclaves is a rare Artifact — Equipment card from March of the Machine Commander (MOC), collector number 195. Current market price: $0.38, TCGplayer market prices via Scryfall.
When this Equipment enters, attach it to target creature you control. Equipped creature gets +2/+2 and has flying and first strike.(It deals combat damage before creatures without first strike.) Equip {2}{W}{W}