Ral's Dispersal is a rare Instant card from Guilds of Ravnica (GRN), collector number 266. Current market price: $0.20, TCGplayer market prices via Scryfall.
Return target creature to its owner's hand. You may search your library and/or graveyard for a card named Ral, Caller of Storms, reveal it, and put it into your hand. If you search your library this way, shuffle.