Sram's Expertise is a rare Sorcery card from Aether Revolt Promos (PAER), collector number 24s. Current market price: — (foil $2.16), TCGplayer market prices via Scryfall.
Create three 1/1 colorless Servo artifact creature tokens. You may cast a spell with mana value 3 or less from your hand without paying its mana cost.