yugioh deck simulator Steam Workshop::Yugioh Structure Decks (Yu-Gi-Oh!)

(3) When a card or effect is activated that targets this card on the field (Quick Effect): You can discard 1 card

Nivix, Aerie of the Firemind I would like to pay 4 mana for a small chance to pay more mana

Cramped Vents // Access Maze is a hefty chonker of a card Mana Value wise so maybe not one to play if youre playing Dark Confidant, as Rooms when not in play or on the stack are equal to total mana value

Keystone Seal also blocks Power Spray from being used during the opponent's turn, meaning they can use Claydol's Cosmic Power to help set up their board

Extra Deck 5 Millennium-Eyes Restrict X DARK Level 1 [ Spellcaster / FusionEffect ] ATK 0 DEF 0 "Relinquished" + 1 Effect Monster Once per turn, when your opponent activates a monster effect (Quick Effect): You can target 1 Effect Monster in your opponent's field or GY