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Eidos the Underworld Monarch
DARK · Spellcaster / Effect Monster · Level 6 · ATK 2400 / DEF 1000
If this card is Normal or Special Summoned: You can add 1 "Monarch" Spell/Trap or 1 monster with 2800 ATK/1000 DEF from your Deck or GY to your hand. You can declare 1 Attribute; make 1 face-up monster on the field become that Attribute. If you Tribute Summon a monster with 2400 or more ATK and 1000 DEF, while this card is in your GY: You can add this card to your hand or Special Summon it. You can only use each effect of "Eidos the Underworld Monarch" once per turn.
Is it legal?
TCGUnlimited (3)
OCGUnlimited (3)
Master DuelUnlimited (3)
Rarity: Ultra Rare (UR)
Genesys5 points
Price
About $2.99–$4.04 across printings and stores (as of Oct 9, 2026). See listings on TCGplayer · eBay · Cardmarket (EU)
Price history & alerts
Printings
| Set | Code | Rarity |
|---|---|---|
| Duelist's Advance | DUAD-EN017 | Starlight Rare |
| Duelist's Advance | DUAD-EN017 | Ultra Rare |
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