Momentary Blink is a common Instant card from Modern Masters 2017 (MM3), collector number 16. Current market price: $0.27 (foil $0.30), TCGplayer market prices via Scryfall.
Exile target creature you control, then return it to the battlefield under its owner's control. Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)