Sunspine Lynx is a rare Creature — Elemental Cat card from Bloomburrow Promos (PBLB), collector number 155p. Current market price: $2.98 (foil $4.76), TCGplayer market prices via Scryfall.
Players can't gain life. Damage can't be prevented. When this creature enters, it deals damage to each player equal to the number of nonbasic lands that player controls.