Chain Lightning is a common Sorcery card from Dominaria Remastered (DMR), collector number 316. Current market price: $0.35 (foil $0.62), TCGplayer market prices via Scryfall.
Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.