Reality Strobe is a uncommon Sorcery card from Future Sight (FUT), collector number 43. Current market price: $1.11 (foil $10.05), TCGplayer market prices via Scryfall.
Return target permanent to its owner's hand. Exile Reality Strobe with three time counters on it. Suspend 3—{2}{U} (Rather than cast this card from your hand, you may pay {2}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)