Voidmage Apprentice is a common Creature — Human Wizard card from Legions (LGN), collector number 54. Current market price: $0.25 (foil $4.15), TCGplayer market prices via Scryfall.
Morph {2}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, counter target spell.