Veteran Beastrider is a uncommon Creature — Human Knight card from Aetherdrift (DFT), collector number 226. Current market price: $0.28 (foil $0.33), TCGplayer market prices via Scryfall.
At the beginning of your end step, untap each creature you control. {2}{G}{W}: Creatures you control get +1/+1 until end of turn.