Activate this card if you control no monsters and a Set Spell(s)/Trap(s) you control was destroyed by card effect this turn.
(1) During the Main Phase, if exactly 1 monster is Summoned whose ATK is lower than your LP and “Z-ONE” is in your GY: Destroy that monster, and if you do, take 800 damage, then inflict 800 damage to your opponent.
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