Momentary Blink is a common Instant card from Time Spiral (TSP), collector number 29. Current market price: $0.18 (foil $6.24), 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.)