Once per turn, during your Standby Phase, you must banish 10 cards from the top of your Deck, face-down (this is not optional), or this card is destroyed. During your Main Phase: You can Special Summon 1 monster that specifically lists the card "Golden Castle of Stromberg" in its text from your Deck. You cannot Normal Summon/Set the turn you activate this effect. You can only use this effect of "Golden Castle of Stromberg" once per turn. When your opponent's monster declares an attack: Destroy the attacking monster, and if you do, inflict damage to your opponent equal to half the ATK that monster had on the field.
![Golden Castle of Stromberg [BLRR-EN010] Secret Rare](http://tokenmtg.com/cdn/shop/products/4b755032-4269-5b01-8b1c-7012bde04192_7b2a436c-f71d-4899-86c9-dbb3555ab095.png?v=1696997661)
![Golden Castle of Stromberg [BLRR-EN010] Secret Rare](http://tokenmtg.com/cdn/shop/products/4b755032-4269-5b01-8b1c-7012bde04192_7b2a436c-f71d-4899-86c9-dbb3555ab095.png?crop=center&height=430&v=1696997661&width=430)