Maul of the Skyclaves is a rare Artifact — Equipment card from Zendikar Rising Promos (PZNR), collector number 27p. Current market price: $0.31 (foil $0.49), 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}