Diabolos, King of the Abyss [FOTB-EN061] Secret Rare Duelist Saga your opponent cannot change the

your opponent cannot change the battle positions of monsters

and send 1 monster your opponent controls to the Graveyard

you can Tribute this face-up monster to destroy all face-up Attack Position monsters your opponent controls and inflict damage to your opponent equal to the combined original ATK of those destroyed monster(s)

add the removed card to your hand

Diabolos, King of the Abyss [FOTB-EN061] Secret Rare Duelist Saga your opponent cannot change theSet: Force of the Breaker Card type: Effect Monster Rarity: Secret Rare Attack: 2800 Defense: 1000 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.