Dream Mirror of Terror [RIRA-EN090] Super Rare Ancient Sanctuary While you control a "Dual

While you control a "Dual Avatar" Fusion Monster that was Fusion Summoned using an Effect Monster as material

If the activation of this card in its owner's possession was negated by your opponent's card effect and sent to your GY: You can discard 1 card

except "Kitchen Dragonmaid"

If your linked Link Monster would be destroyed by battle

Dream Mirror of Terror [RIRA-EN090] Super Rare Ancient Sanctuary While you control a "DualSet: Rising Rampage Card type: Field Spell Rarity: Super Rare During the End Phase: You can banish this card; activate 1 "Dream Mirror of Joy" directly from your hand or Deck. You can only use this effect of "Dream Mirror of Terror" once per turn. Each time your opponent Special Summons a monster(s), inflict 300 damage to your opponent. This effect is only applied while you control a DARK "Dream Mirror" monster.