Galvanic Relay is a common Sorcery card from Modern Horizons 2 (MH2), collector number 406. Current market price: $0.23 (foil $0.31), TCGplayer market prices via Scryfall.
Exile the top card of your library. During your next turn, you may play that card. Storm (When you cast this spell, copy it for each spell cast before it this turn.)