Receive Ace

Card type	Monster
Attribute	TRAP"TRAP" is not in the list (DARK, DIVINE, EARTH, FIRE, LIGHT, WATER, WIND, ?, ???, THUNDER, ...) of allowed values for the "Attribute" property.
Activate only when an opponent's monster declares a direct attack. Negate the attack, and inflict 1500 damage to your opponent. Then, send the top 3 cards of your Deck to the Graveyard.

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