Diabolos, King of the Abyss [FOTB-EN061] Secret Rare Synchro Effect Monster banish this face-up card until

banish this face-up card until the End Phase

Set: Duel Terminal 5 Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 1300 Gem-Knight Garnet + 1 "Gem-Knight" monster // Must first be Fusion Summoned using the above cards as Fusion Material Monsters

Set: Neo Discovery Unlimited Type: Colorless Rarity: Rare Retreat cost: Colorless

Set: The Lost Art Promotion Card type: Normal Trap Rarity: Ultra Rare During your opponent's turn: Target 1 face-up monster your opponent controls whose ATK is less than or equal to their LP

Set: Expedition: Base Set Type: Lightning Rarity: Uncommon Retreat cost: Colorless

Diabolos, King of the Abyss [FOTB-EN061] Secret Rare Synchro Effect Monster banish this face-up card untilSet: 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.