Cannot be Normal Summoned/Set. Must be Special Summoned by card effect, and cannot be Special Summoned by other ways. During either player's turn, when an opponent’s monster effect is activated while you control no monsters: You can Special Summon this card from your hand and 1 'PSYFrame Driver' from your hand, Deck, or Graveyard, negate the activation, and if you do, destroy it. Monsters Special Summoned by this effect are banished during the End Phase.