Sinister Serpent [SDD-002] Secret Rare Noble Knights of the Round Table Box Set You can send "Umi" you

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

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

this card gains that lost ATK

Set: Duel Terminal 3 Card type: Quick Play Spell Rarity: Rare Select 1 face-up monster on the field and flip it into face-down Defense Position

It''s said that he butts in by any means necessary

Sinister Serpent [SDD-002] Secret Rare Noble Knights of the Round Table Box Set You can send "Umi" youSet: 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.