Cosmic Blazar Dragon (DUSA-EN034) [Duelist Saga]

1 Tuner Synchro Monster + 2 or more non-Tuner Synchro Monsters
<br>Must be Synchro Summoned, and cannot be Special Summoned by other ways. You can banish this card until the End Phase to activate 1 of these Quick Effects;
<br>• When your opponent activates a card or effect: Negate the activation, and if you do, destroy that card.
<br>• When your opponent would Summon a monster(s): Negate the Summon, and if you do, destroy that monster(s).
<br>• When an opponent's monster declares an attack: Negate the attack, then end the Battle Phase.