Millstone [Antiquities] 65a you can negate the activation

you can negate the activation and effect of any Spell Card and destroy them

"I'm too modest a wizard to reveal the full extent of my abilities

during your opponent's End Phase

Set: Ancient Prophecy Card type: Synchro/Effect Monster Rarity: Ultimate Rare Attack: 2100 Defense: 2000 1 LIGHT Tuner + 1 or more non-Tuner monsters While your Life Points are higher than your opponent's

Set: Absolute Powerforce Card type: Effect Monster Rarity: Ultimate Rare Attack: 0 Defense: 0 When an opponent's monster declares a direct attack

Millstone [Antiquities] 65a you can negate the activationSet: Antiquities Type: Artifact Rarity: Uncommon Cost: {2} {2}, {T}: Target player mills two cards. More than one mage was driven insane by the sound of the Millstone relentlessly grinding away.