Relic Axe is a uncommon Artifact — Equipment card from Zendikar Rising (ZNR), collector number 248. Current market price: $0.14 (foil $0.30), TCGplayer market prices via Scryfall.
When this Equipment enters, attach it to target creature you control. Equipped creature gets +1/+1. If it's a Warrior, it gets +2/+1 instead. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)