Galvanic Iteration is a rare Instant card from Outlaws of Thunder Junction Commander (OTC), collector number 227. Current market price: $0.38, TCGplayer market prices via Scryfall.
When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. Flashback {1}{U}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)