Vanish into Memory is a uncommon Instant card from Duel Decks: Venser vs. Koth (DDI), collector number 31. Current market price: $0.10, TCGplayer market prices via Scryfall.
Exile target creature. You draw cards equal to that creature's power. At the beginning of your next upkeep, return that card to the battlefield under its owner's control. If you do, discard cards equal to that creature's toughness.