Unown C (67/130) [Diamond & Pearl: Base Set] Fighting [-30] You can Special Summon this

You can Special Summon this card by Tributing 1 "Helios Duo Megistus"

This card can attack twice during each Battle Phase

While this card is face-upon the field

Set: Dragons of Legend: Unleashed Card type: Xyz/Effect Monster Rarity: Secret Rare Attack: 0 Defense: 0 2 "Number" Xyz Monsters with the same name and Rank Once per turn: You can detach 1 Xyz Material from this card

Set: Starter Deck: Syrus Truesdale Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Activate only when your opponent declares an attack while the only monsters on your side of the field are Machine-Type "roid" monsters

Unown C (67/130) [Diamond & Pearl: Base Set] Fighting [-30] You can Special Summon thisSet: Diamond & Pearl: Base Set Type: Psychic Rarity: Uncommon Retreat cost: Colorless