Raging Messiah (TWS-028 MR) [The War of the Suns]

[Flying] This card cannot be canceled. If a source would deal damage, it deals double that much instead. Remove a fire card in your graveyard from the game: Produce R. Play this ability only once per turn. R, discard this card: Until end of turn, the next time a source you control would deal damage to your opponent, it deals double that much instead.