Must be Special Summoned with 'The Fang of Critias' by sending 'Crush Card Virus' from your hand or your side of the field to the Graveyard, and cannot be Special Summoned by other ways. If this card is Special Summoned: Check your opponent's hand, all monsters they control, and all cards they draw until the end of your opponent's 3rd turn after this effect's activation, and destroy all monsters with 1500 or more ATK.
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