Sage of the Skies is a rare Creature — Human Monk card from Tarkir: Dragonstorm Promos (PTDM), collector number 22s. Current market price: — (foil $1.44), TCGplayer market prices via Scryfall.
When you cast this spell, if you've cast another spell this turn, copy this spell. (The copy becomes a token.) Flying, lifelink