Thought Ruler Archfiend

Synchro Effect Monster

Thought Ruler Archfiend is a Synchro Effect Monster (DARK/Psychic, Level 8) with 2700 ATK / 2300 DEF. First printed in The Duelist Genesis (2008).

Type: Synchro Monster
Attribute: DARK
Monster type: Psychic
Level: 8
ATK / DEF: 2700 / 2300
Archetype: Archfiend
Banlist: Unlimited in the TCG, OCG, and Master Duel
TCG release: 2008-08-09
Printings: 6

Card text

1 Tuner + 1+ non-Tuner monsters If this card destroys a monster by battle and sends it to the GY: Gain LP equal to that monster's original ATK in the GY. When a Spell/Trap Card is activated that targets 1 Psychic monster (and no other cards) (Quick Effect): You can pay 1000 LP; negate the activation, and if you do, destroy it.

Approximate value

≈$0.43

A rough figure from recent listings (updated 2026-06-09), not a market value or official price. It varies a lot with printing, condition, edition, rarity, and grading. Check current listings below before buying or selling.

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Printings & rarities

All printings →

Set	Set code	Rarity	Release	Price*
The Duelist Genesis	TDGS-EN044	Ultimate Rare	2008-09-02	$0.43
The Duelist Genesis	TDGS-EN044	Ultra Rare	2008-09-02	$0.43
Duelist League 2 participation cards	DL11-EN014	Rare	2010-12-01	$14.15
Duel Terminal 5b	DT05-EN088	Duel Terminal Super Parallel Rare	2011-09-29	$0.43
Legendary Collection 5D's Mega Pack	LC5D-EN233	Secret Rare	2014-10-23	$0.43
Brothers of Legend	BROL-EN070	Ultra Rare	2021-12-02	$1.11

*Approximate, from recent marketplace listings, not market values.