Volt Charge is a common Instant card from Phyrexia: All Will Be One (ONE), collector number 155. Current market price: $0.25 (foil $0.28), TCGplayer market prices via Scryfall.
Volt Charge deals 3 damage to any target. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)