Mask of Darkness [SS05-ENA19] Common Water[+10] During battle between this attacking

During battle between this attacking and a Defense Position monster whose DEF is lower than the ATK of this card inflict the difference as Battle Damage to your opponent

Set: Duel Devastator Card type: Counter Trap Rarity: Ultra Rare When a monster(s) would be Special Summoned

Set: Dark Revelation Volume 2 Card type: Effect Monster Rarity: Common Attack: 900 Defense: 300 FLIP: Flip 1 face-up monster on the field into face-down Defense Position

when a Spell/Trap Card(s) is Set on your side of the field (except during the Damage Step): You can Special Summon 1 "Power Tool" Synchro Monster or 1 Level 7 or 8 Dragon-Type Synchro Monster from your Extra Deck

Set: Expedition: Base Set Type: Colorless Rarity: Rare Retreat cost: Colorless

Mask of Darkness [SS05-ENA19] Common Water[+10] During battle between this attackingSet: Speed Duel: Twisted Nightmares Card type: Flip Effect Monster Rarity: Common Attack: 900 Defense: 400 FLIP: Target 1 Trap in your GY; add that target to your hand.