Eidos the Underworld Squire
Eidos the Underworld Squire is a Effect Monster in the Monarch archetype, first released in 2016 in Structure Deck: Emperor of Darkness. It has 2 printings across 2 sets (Super Rare, Ultra Rare). The cheapest copy is BROL-EN077 Ultra Rare at $0.33; the most valuable is SR01-EN002 Super Rare at $0.34. In the TCG it is currently unlimited (3 copies).
Market price · TCGPlayer
Updated Oct 1, 2026
$0.33 – $0.34
2 printings priced
Type
Spellcaster
Level
2
ATK
800
DEF
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 Squire"; Special Summon it in Defense Position, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn. You can only use this effect of "Eidos the Underworld Squire" once per turn.
Appears in 2 expansions
Printings (2)
| expansion | Code | Rarity | Price | Buy |
|---|---|---|---|---|
| Structure Deck: Emperor of Darkness | SR01-EN002 | Super Rare | $0.34 | |
| Brothers of Legend | BROL-EN077 | Ultra Rare | $0.33 |
Eidos the Underworld Squire: FAQ
How much is Eidos the Underworld Squire worth?+
Eidos the Underworld Squire currently sells for $0.33 – $0.34 on TCGPlayer, from $0.33 for BROL-EN077 up to $0.34 for SR01-EN002. The exact value depends on the printing, rarity, edition and condition — scan the card with YuScan to see the price of your copy.
Which sets was Eidos the Underworld Squire printed in?+
Eidos the Underworld Squire appears in 2 sets: Structure Deck: Emperor of Darkness, Brothers of Legend.
Is Eidos the Underworld Squire legal in tournaments?+
On the current TCG Forbidden & Limited List, Eidos the Underworld Squire is unlimited (3 copies).
What is the passcode of Eidos the Underworld Squire?+
The 8-digit passcode printed on Eidos the Underworld Squire is 59463312.
Monarch
Cards →
Mobius the Frost Monarch
Caius the Shadow Monarch
Raiza the Storm Monarch
Thestalos the Firestorm Monarch
Zaborg the Thunder Monarch
Granmarg the Rock Monarch
The Monarchs Stormforth
Kuraz the Light Monarch
Ehther the Heavenly Monarch
Erebus the Underworld Monarch
Delg the Dark Monarch
Domain of the True Monarchs
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