Ally of Justice Decisive Armor

Synchro Effect Monster

Ally of Justice Decisive Armor is a Synchro Effect Monster (DARK/Machine, Level 10) with 3300 ATK / 3300 DEF. First printed in Duel Terminal 3 (2010).

Type: Synchro Monster
Attribute: DARK
Monster type: Machine
Level: 10
ATK / DEF: 3300 / 3300
Archetype: Ally of Justice
Banlist: Unlimited in the TCG, OCG, and Master Duel
TCG release: 2010-09-25
Printings: 3

Card text

1 Tuner + 2+ non-Tuner monsters Once per turn, if your opponent controls a LIGHT monster: You can activate 1 of these effects. ●Target 1 Set card your opponent controls; destroy that target. ●Send 1 card from your hand to the GY; destroy all Spells and Traps your opponent controls. ●Send your entire hand to the GY; look at your opponent's hand and send all LIGHT monsters in their hand to the GY, then, inflict damage to your opponent equal to the total ATK of those monsters sent to the GY.

Approximate value

≈$0.30

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*
Duel Terminal 3	DT03-EN090	Duel Terminal Ultra Parallel Rare	2010-09-25	$0.30
Hidden Arsenal 3	HA03-EN060	Secret Rare	2010-12-02	$0.30
Hidden Arsenal: Chapter 1	HAC1-EN092	Duel Terminal Ultra Parallel Rare	2022-02-24	$0.30

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