Damage can't be prevented this turn.
Flashback(You may cast this card from your graveyard for its flashback cost. Then exile it.)
10/4/2004 Spells and abilities that replace or redirect damage are not affected by this card.
10/4/2004 The “damage can’t be prevented” statement overrides all forms of preventing damage. Damage prevention spells and abilities can still be cast and activated, they just don’t do anything.