Burst Lightning is a uncommon Instant card from Secrets of Strixhaven Mystical Archive (SOA), collector number 106. Current market price: $0.91, TCGplayer market prices via Scryfall.
Kicker {4} (You may pay an additional {4} as you cast this spell.) Burst Lightning deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead.