Crovax, Ascendant Hero is a rare Legendary Creature — Human Noble card from Planar Chaos (PLC), collector number 3. Current market price: $0.54 (foil $6.44), TCGplayer market prices via Scryfall.
Other white creatures get +1/+1. Nonwhite creatures get -1/-1. Pay 2 life: Return Crovax to its owner's hand.