You can only activate 1 card with this card’s name per turn.
(1) Activate 1 of these effects; skip your next Battle Phase after this card resolves.
● Target 1 Effect Monster your opponent controls; negate its effects (until the end of this turn), then banish the top 3 cards of their Deck.
● Special Summon 1 “Mysterune” monster from your Extra Deck to the Extra Monster Zone.