Karona, False God is a rare Legendary Creature — Avatar card from Scourge (SCG), collector number 138. Current market price: $3.43 (foil $79.39), TCGplayer market prices via Scryfall.
Haste At the beginning of each player's upkeep, that player untaps Karona and gains control of it. Whenever Karona attacks, creatures of the creature type of your choice get +3/+3 until end of turn.