Thunder Dragonduo [SOFU-EN022] Super Rare Sea Serpent Set: The Dark Side of

Set: The Dark Side of Dimensions Movie Pack Card type: Ritual Spell Rarity: Ultra Rare This card can be used to Ritual Summon any "Chaos" or "Black Luster Soldier" Ritual Monster

it is changed to Defense Position at the end of the Damage Step

you can select 1 of those equipped monsters

If this card was Tribute Summoned by Tributing a "Gadget" monster

Thunder Dragonduo [SOFU-EN022] Super Rare Sea Serpent Set: The Dark Side ofSet: Soul Fusion Card type: Effect Monster Rarity: Super Rare Attack: 2800 Defense: 0 Cannot be Normal Summoned Set. Must first be Special Summoned (from your hand) by banishing 1 LIGHT and 1 DARK monster from your GY. Once per turn, if a monster effect is activated in the hand: This card gains 300 ATK until the end of this turn. When this card destroys an opponent's monster by battle, you can banish 1 card from your GY: Add 1 Thunder monster from