Seething Anger is a common Sorcery card from The List (PLST), collector number STH-96. Current market price: $0.17, TCGplayer market prices via Scryfall.
Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Target creature gets +3/+0 until end of turn.