Render Silent (Buy-A-Box) [Dragon's Maze Promos] 69 when a monster effect is

when a monster effect is activated on your opponent's side of the field (except during the Damage Step): You can detach 2 Xyz Materials from this card

send this card to the Graveyard to Special Summon 1 "Horus the Black Flame Dragon LV8" from your hand or Deck

banish that target face-up

When that monster is removed from the field

You can discard 1 WATER monster to the Graveyard to destroy 1 face-down card

Render Silent (Buy-A-Box) [Dragon's Maze Promos] 69 when a monster effect isSet: Dragon's Maze Promos Type: Instant Rarity: Rare Cost: {W}{U}{U} Counter target spell. Its controller can't cast spells this turn. "We have confiscated your spells as evidence. Once we conclude our investigation, you may petition to have them returned."