2+ Dragon monsters
You cannot Summon/Set monsters to a zone this card points to. Once per turn, if a monster(s) is Normal or Special Summoned, to a zone(s) this card points to (except during the Damage Step): You can destroy 1 monster this card points to, and if you do, inflict 500 damage to your opponent. When a card or effect is activated that targets this face-up card (Quick Effect): You can Tribute 1 monster; negate the activation.