Qarsi Deceiver is a uncommon Creature — Snake Wizard card from Dragons of Tarkir (DTK), collector number 71. Current market price: $0.08 (foil $0.25), TCGplayer market prices via Scryfall.
{T}: Add {C}. Spend this mana only to cast a face-down creature spell, pay a mana cost to turn a manifested creature face up, or pay a morph cost. (A megamorph cost is a morph cost.)