Clefairy (6/130) [Base Set 2] BW37 then you can attach up

then you can attach up to 2 cards from your hand to it as Xyz Materials

You can only use each effect of "D/D Swirl Slime" once per turn

at the end of the Damage Step: Increase its Level by 1 until the end of this turn

Set: Legendary Duelists Card type: Normal Spell Rarity: Rare Tribute 2 "Duoterion" and 1 "Oxygeddon" in your hand and/or field

Set: Dragons of Legend: Unleashed Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 2600 Defense: 1700 "Dark Magician Girl" + 1 Dragon-Type monster Must be Fusion Summoned with the above Fusion Material or with "The Eye of Timaeus"

Clefairy (6/130) [Base Set 2] BW37 then you can attach upSet: Base Set 2 Type: Colorless Rarity: Holo Rare Retreat cost: Colorless