This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except with the effect of "Summon Reactor – SK". Once per turn, you can send 1 card from your hand to the Graveyard to destroy 1 card your opponent controls. Once during each of your opponent's turn you can select and active 1 of the following effects: • When your opponent Normal Summon or Special Summons a monster, destroy it and inflict 800 damage to your opponent. • When your opponent Sets a card, destroy it and inflict 800 damage to your opponent.