Cosmic Blazar Dragon (LED6-EN029) - Legendary Duelists: Magical Hero Unlimited

1 Tuner Synchro Monster + 2 or more non-Tuner Synchro Monsters
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;
• When your opponent activates a card or effect: Negate the activation, and if you do, destroy that card.
• When your opponent would Summon a monster(s): Negate the Summon, and if you do, destroy that monster(s).
• When an opponent's monster declares an attack: Negate the attack, then end the Battle Phase.