Claydol LV.45 (15/106) (Power Cottonweed - Yuka Furusawa) [World Championships 2010] ST10-04 the equipped monster's ATK becomes

the equipped monster's ATK becomes double its original ATK

except "Infernity Avenger"

Set: XY: Fates Collide Type: Metal Rarity: Ultra Rare Retreat cost: Colorless

Set: Bonds Beyond Time Movie Pack Card type: Normal Trap Rarity: Secret Rare Attack: 0 Defense: 0 Activate only if you control a face-up "Malefic" monster

you can remove all Black Feather Counter on this card to have 1 face-up monster your opponent controls lose 700 ATK for each Black Feather Counter

Claydol LV.45 (15/106) (Power Cottonweed - Yuka Furusawa) [World Championships 2010] ST10-04 the equipped monster's ATK becomesSet: World Championships 2010 Type: Fighting Rarity: Rare Retreat cost: Colorless,Colorless