Duoterion [LEDU-EN037] Super Rare

Duoterion [LEDU-EN037] Super RareSet: Legendary Duelists Card type: Effect Monster Rarity: Super Rare Attack: 2000 Defense: 1400 You can discard this card; add 1 "Bonding" Spell Trap from your Deck to your hand. If this card is Normal or Special Summoned: You can target 1 "Hydrogeddon", "Oxygeddon", or "Duoterion" in your GY; Special Summon it. You can only use each effect of "Duoterion" once per turn.

You can only use each effect of "Duoterion" once per turn

During the End Phase

If this card is Special Summoned: You can target 1 face-up monster your opponent controls

You can only Special Summon this card from your Extra Deck by sending the above cards from either side of the field to the Graveyard

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 0 Defense: 0 This card cannot be Special Summoned

Set: Shonen Jump Magazine Promos Card type: Normal Monster Rarity: Secret Rare Attack: 4000 Defense: 4000

then using a "Utopia" Monster you control as the Xyz Material

You can Special Summon this card from your hand when you take Battle Damage

negate the effects of all face-up monsters your opponent currently controls

If this card is Special Summoned

You can only use this effect of “Ride of the Valkyries” once per turn

At that time