Unauthorized Bootup Device
Rise of the Duelist Premiere! promotional card (ROTD) · #81951640 · Common · yugioh
Card: Union Effect Monster
ATK / DEF: 500 / 0 · Level 1 · DARK
Archetype: Machina
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.
DeckSpec Pricei
$0.08
Condition
Weighted composite · smoothed against one-off swings.
Current prices
Condition
normalNM
| Cardmarket | ≈$0.03 | 2026-08-09 |
| coolstuffinc | $0.49 | 2026-08-09 |
| ebay | $0.99 | 2026-08-09 |
| TCGplayer | $0.10 | 2026-08-09 |
Non-USD sources (e.g. Cardmarket, EUR) are shown converted to USD at €1 ≈ $1.15 — indicative, not an exact quote.
Prices update daily · last checked Sun Aug 09. Indicative, not offers — how we price.
Price history (last 180 days)
Condition key
NM Near MintLP Lightly PlayedMP Moderately PlayedHP Heavily PlayedDMG Damaged
Recorded prices are Near Mint; LP–DMG are estimated from standard hobby multipliers (foils discounted more steeply) — a guide, not a market quote.
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