Soulfire Eruption is a mythic Sorcery card from Commander Legends (CMR), collector number 201. Current market price: $1.17 (foil $2.06), TCGplayer market prices via Scryfall.
Choose any number of target creatures, planeswalkers, and/or players. For each of them, exile the top card of your library, then Soulfire Eruption deals damage equal to that card's mana value to that permanent or player. You may play the exiled cards until the end of your next turn.