Sarkhan's Dragonfire is a rare Sorcery card from Core Set 2019 (M19), collector number 298. Current market price: $0.25, TCGplayer market prices via Scryfall.
Sarkhan's Dragonfire deals 3 damage to any target. Look at the top five cards of your library. You may reveal a red card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.