Eidos the Underworld Squire [SR01-EN002] Super Rare World Championship JPP Cards change all face-up monsters your

change all face-up monsters your opponent controls to face-down Defense Position

then target 1 Cyberse monster in your GY

except "Doomking Balerdroch"

It does not have to activate its effects during the End Phase to shuffle itself into the Extra Deck

when your opponent activates a card or effect while you control a "Red Dragon Archfiend" monster: You can send this card from your hand to the Graveyard

Eidos the Underworld Squire [SR01-EN002] Super Rare World Championship JPP Cards change all face-up monsters yourSet: Structure Deck: Emperor of Darkness Card type: Effect Monster Rarity: Super Rare Attack: 800 Defense: 1000 If this card is Normal or Special Summoned: During your Main Phase this turn, you can Tribute Summon 1 monster, in addition to your Normal Summon Set. (You can only gain this effect once per turn.) You can banish this card from your Graveyard, then target 1 monster with 800 ATK and 1000 DEF in your Graveyard, except "Eidos the Underworld