Blazing Nova Dragon, lv.12 att. Dark.
2 tuners, including at least 1 synchro tuner+ 2 or more non tuner synchro monsters.
Once per turn, when an opponent's monster declares and attack, negate the attack and destroy that monster. If you do, this card gains attack equal to the destroyed monster's level x500. This card cannot be destroyed by your opponent's card effects. When this card leaves the field, special summon 1 "Red Nova Dragon" from your extra deck.