Skyhunter Strike Force is a rare Creature — Cat Knight card from Phyrexia: All Will Be One Commander (ONC), collector number 21. Current market price: $3.84 (foil $4.91), TCGplayer market prices via Scryfall.
Flying Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.) Lieutenant — As long as you control your commander, other creatures you control have melee.