Unauthorized Bootup Device

Union Effect Monster

Unauthorized Bootup Device is a Union Effect Monster (DARK/Machine, Level 1) with 500 ATK / 0 DEF. First printed in Rise of the Duelist (2020).

Type: Union Effect Monster
Attribute: DARK
Monster type: Machine
Level: 1
ATK / DEF: 500 / 0
Archetype: Machina
Banlist: Unlimited in the TCG, OCG, and Master Duel
TCG release: 2020-08-06
Printings: 1

Card text

Once per turn, you can either: Target 1 face-up monster you control; equip this card to that target, OR: Unequip this card and Special Summon it. If the equipped monster would be destroyed by battle or card effect, destroy this card instead. If this card is destroyed and sent to the GY while equipped to a monster: You can Special Summon this card. You can only use this effect of "Unauthorized Bootup Device" once per turn.

Approximate value

≈$0.10

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*
Rise of the Duelist	ROTD-EN027	Common	2020-08-06	$1.02

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