Kozaky [AST-058] Common Booster Boxes the ATK/DEF of all face-up

the ATK/DEF of all face-up monsters your opponent controls become half their current ATK/DEF (even if this card leaves the field)

Each Duelist Portfolio includes 10-pages with 9 pockets per page

also unaffected by Spell/Trap effects

add 1 Spell Card from your Graveyard to your hand

while it remains on the field all of your opponent's monsters lose 300 ATK

Kozaky [AST-058] Common Booster Boxes the ATK/DEF of all face-upSet: Ancient Sanctuary Card type: Normal Monster Rarity: Common Attack: 400 Defense: 400 A workaholic fiend who devotes everything to his research into the languages of Dark World. His mind has collapsed because of working too hard.