Rhox Veteran is a common Creature — Rhino Soldier card from Modern Horizons (MH1), collector number 24. Current market price: $0.20 (foil $0.15), TCGplayer market prices via Scryfall.
Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever this creature attacks, tap target creature an opponent controls.