Electro's Bolt is a common Sorcery card from Marvel's Spider-Man (SPM), collector number 77. Current market price: $0.19 (foil $0.19), TCGplayer market prices via Scryfall.
Electro's Bolt deals 4 damage to target creature. Mayhem {1}{R} (You may cast this card from your graveyard for {1}{R} if you discarded it this turn. Timing rules still apply.)