This card cannot be Special Summoned. If you Tribute Summon this card, the Tributes must be DARK. This card cannot be Tributed by a card's effect. During your opponent's Draw Phase, before their draw, look at the top card of their Deck, then put that card on the top or the bottom of their Deck.
![Diabolos, King of the Abyss [FOTB-EN061] Secret Rare | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/products/25787_200w.jpg?v=1615996070)
