Mind Flayer (Ampersand Promo) [Dungeons & Dragons: Adventures in the Forgotten Realms Promos] 200 While equipped to a monster

While equipped to a monster by this effect

Set: Strike of Neos Card type: Trap Card Rarity: Ultimate Rare Negate the activation and effect of an Effect Monster whose effect activated when Normal Summoned

you can select 1 face-up monster your opponent controls and change its battle position

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Legendary Artifact Rarity: Rare Cost: {U} You may choose not to untap The Blackstaff of Waterdeep during your untap step

Set: Dark Revelation Volume 4 Card type: Normal Monster Rarity: Ultra Rare Attack: 2800 Defense: 1400 When you successfully activate a Counter Trap

Mind Flayer (Ampersand Promo) [Dungeons & Dragons: Adventures in the Forgotten Realms Promos] 200 While equipped to a monsterSet: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Creature Horror Rarity: Rare Cost: {3}{U}{U} Dominate Monster When Mind Flayer enters the battlefield, gain control of target creature for as long as you control Mind Flayer. "Shed your thoughts and let my will flow through you."