Ultra Ball (186/172) [Sword & Shield: Brilliant Stars] Secret Slayers when your opponent would Special

when your opponent would Special Summon a monster(s) while you have a "Shaddoll" card in your hand: You can negate the Summon

(This is treated as an Xyz Summon

if it was a Flip Effect Monster

Set: Raging Tempest Card type: Normal Spell Rarity: Secret Rare If you have more cards in your Deck than your opponent does: Send cards from the top of your Deck to the Graveyard so you have the same number of cards in the Deck as your opponent

The effect of an Effect Monster that this monster destroys as a result of battle is negated Also negate the effect of an Effect Monster that i

Ultra Ball (186/172) [Sword & Shield: Brilliant Stars] Secret Slayers when your opponent would SpecialSet: Sword & Shield: Brilliant Stars Type: Item Rarity: Secret Rare