End-Blaze Epiphany is a rare Instant card from Lorwyn Eclipsed (ECL), collector number 364. Current market price: $0.30 (foil $0.40), TCGplayer market prices via Scryfall.
End-Blaze Epiphany deals X damage to target creature. When that creature dies this turn, exile a number of cards from the top of your library equal to its power, then choose a card exiled this way. Until the end of your next turn, you may play that card.