Unauthorized Bootup Device
EffectUnion Effect Monster· DARK· Machine· ★ Level 1
ATK
500
DEF
0
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.
Archetype: Machina (24 cards)
Market value
Cheapest printing
$1.02ROTD-EN027
USD, updated 15 October 2026. One price per printing, 1st Edition and Unlimited together.
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Price history
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All printings (1)
| Set | Code | Rarity | Released | Price |
|---|---|---|---|---|
| Rise of the Duelist | ROTD-EN027 | Common | 6 August 2020 | $1.02 |