Nylea, Keen-Eyed is a mythic Legendary Enchantment Creature — God card from Theros Beyond Death (THB), collector number 185. Current market price: $5.72 (foil $6.08), TCGplayer market prices via Scryfall.
Indestructible As long as your devotion to green is less than five, Nylea isn't a creature. Creature spells you cast cost {1} less to cast. {2}{G}: Reveal the top card of your library. If it's a creature card, put it into your hand. Otherwise, you may put it into your graveyard.