Diabolos, King of the Abyss [FOTB-EN061] Secret Rare Starfoil Rare you can activate 1 of

you can activate 1 of these effects: • Select 1 Set card your opponent controls and destroy it

Set: Elemental Energy Card type: Normal Spell Rarity: Ultimate Rare Select 1 face-up "Elemental Hero Avian" on your side of the field to activate this card

This card can only be Special Summoned to your opponent's side of the field by Tributing 2 monsters they control

Set: Crossroads of Chaos Card type: Normal Trap Rarity: Secret Rare Activate only when a monster is destroyed by battle and sent to the Graveyard

Diabolos, King of the Abyss [FOTB-EN061] Secret Rare Starfoil Rare you can activate 1 ofSet: 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.