Kemba, Kha Enduring is a rare Legendary Creature — Cat Cleric card from Phyrexia: All Will Be One Promos (PONE), collector number 19p. Current market price: $0.48 (foil $0.42), TCGplayer market prices via Scryfall.
Whenever Kemba or another Cat you control enters, attach up to one target Equipment you control to that creature. Equipped creatures you control get +1/+1. {3}{W}{W}: Create a 2/2 white Cat creature token.