Sinister Serpent [SDD-002] Secret Rare Noble Knights of the Round Table Box Set If this card was Fusion

If this card was Fusion Summoned using 2 or more "Ancient Gear Golem" and/or "Ancient Gear Golem - Ultimate Pound" as material

Set: Clash of Rebellions Card type: Xyz/Effect Monster Rarity: Ghost Rare Attack: 2800 Defense: 2400 2 Level 7 monsters Cannot be destroyed by card effects while it has Xyz Material

You can send "Umi" you control to the Graveyard to send all cards in both players' hands and on the field to the Graveyard

select 1 monster with an ATK of 1500 or less from your Deck

Sinister Serpent [SDD-002] Secret Rare Noble Knights of the Round Table Box Set If this card was FusionSet: Stairway to the Destined Duel Card type: Effect Monster Rarity: Secret Rare Attack: 300 Defense: 250 During your Standby Phase, if a "Sinister Serpent" is in your Graveyard, you can return the "Sinister Serpernt" to your hand.