Wretched Gryff is a common Creature — Eldrazi Hippogriff card from The List (PLST), collector number EMN-12. Current market price: $0.36, TCGplayer market prices via Scryfall.
Emerge {5}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, draw a card. Flying