String of Disappearances is a common Instant card from Modern Horizons (MH1), collector number 72. Current market price: $0.12 (foil $0.27), TCGplayer market prices via Scryfall.
Return target creature to its owner's hand. Then that creature's controller may pay {U}{U}. If the player does, they may copy this spell and may choose a new target for that copy.