Sire of Insanity [Dragon's Maze] SM67 You can only use the

You can only use the previous effect of "Cyberdark Realm" once per turn

Set: Legendary Duelists: Ancient Millennium Card type: Effect Monster Rarity: Common Attack: 1800 Defense: 1200 When this card is Summoned: You can place 1 "Crystal Beast" monster from your hand

Set: Legendary Collection 2 Card type: Normal Spell Rarity: Secret Rare Attack: 0 Defense: 0 Target 5 "Elemental HERO" cards in your Graveyard

Set: Mystic Fighters Card type: Effect Monster Rarity: Super Rare Attack: 2700 Defense: 1700 Cannot be destroyed by card effects while you control a Fusion Monster

Set: Sword & Shield: Black Star Promos Type: Lightning Rarity: Promo Retreat cost: 1

Sire of Insanity [Dragon's Maze] SM67 You can only use theSet: Dragon's Maze Type: Creature Demon Rarity: Rare Cost: {4}{B}{R} At the beginning of each end step, each player discards their hand. Its victims become mindless lunatics. Conveniently, that's the first step in joining the Cult of Rakdos.