2+ Dragon monsters
You cannot place monster to a zone this card points to. Once per turn, when a monster(s) is Normal or Special Summoned to a zone this card points to: You can destroy 1 of them, and if you do, inflict 500 damage to your opponent. When a Spell/Trap card or monster effect is activated targeting this card (Quick Effect): You can Tribute 1 monster; negate the activation.