Hero of the Dunes is a uncommon Creature — Human Soldier card from The Brothers' War (BRO), collector number 213. Current market price: $0.14 (foil $0.15), TCGplayer market prices via Scryfall.
When this creature enters, return target artifact or creature card with mana value 3 or less from your graveyard to the battlefield. Creatures you control with mana value 3 or less get +1/+0.