Pyukumuku (47/149) [Sun & Moon: Base Set] 11 it is changed to Defense

it is changed to Defense Position at the end of the Damage Step

Set: Structure Deck: Lair of Darkness Card type: Field Spell Rarity: Super Rare All face-up monsters on the field become DARK

if you have a Spellcaster-Type monster on your side of the field or in your Graveyard: You can return 1 "Spellbook" Spell Card from your Graveyard to the bottom of your Deck

Set: Hidden Arsenal Card type: Tuner Monster Rarity: Super Rare Attack: 100 Defense: 2000

Set: Dimension of Chaos Card type: Pendulum/Effect Monster Rarity: Rare Attack: 2000 Defense: 2000 During either player's turn: You can target 1 Pendulum Monster in your Monster Zone and 1 monster your opponent controls

Pyukumuku (47/149) [Sun & Moon: Base Set] 11 it is changed to DefenseSet: Sun & Moon: Base Set Type: Water Rarity: Uncommon Retreat cost: Colorless