Geistflame is a common Instant card from Duel Decks: Sorin vs. Tibalt (DDK), collector number 61. Current market price: $0.19, TCGplayer market prices via Scryfall.
Geistflame deals 1 damage to any target. Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)