Liberating Combustion is a rare Sorcery card from Kaladesh (KLD), collector number 267. Current market price: $0.14, TCGplayer market prices via Scryfall.
Liberating Combustion deals 6 damage to target creature. You may search your library and/or graveyard for a card named Chandra, Pyrogenius, reveal it, and put it into your hand. If you search your library this way, shuffle.