Diabolos, King of the Abyss [FOTB-EN061] Secret Rare Duelist Saga •3+: You can send a

•3+: You can send a ""Crystal Beast"" monster you control to the Graveyard to negate the activation of a Spell or Trap Card and destroy it

When that monster is destroyed

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)

your opponent cannot change the battle positions of monsters

You can return the monster destroyed with this effect to the top of its owner's Deck instead of sending it to the Graveyard

Diabolos, King of the Abyss [FOTB-EN061] Secret Rare Duelist Saga •3+: You can send aSet: 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.