Deep Eyes White Dragon

If a Blue-Eyes creature you control died this turn, you may pay {0} rather than pay this spells mana cost, you may cast it as though
it had flash until end of turn.
When Deep Eyes White Dragon enter the battlefield, it deals X damage to any target.
Where X is the number of Dragon
creature cards in your graveyard.
A deck can have up to 3
Deep Eyes White Dragon it in.