Computer Error

Wizards Black Star Promos · #16 · Promo

$6.61US · TCGplayer

$7.92EU · Cardmarket

-48%7-day (EU)

-1%30-day (EU)

PromoRarity

#51 of 53Rank in set

Price detail

Market read: cooling off — -48% in 7 days; a budget pickup in its set.

TCGplayer (US) (normal)

Tier	USD
Low	$3.55
Market	$6.61
Mid	$6.65
High	$94.00

Cardmarket (EU)

Metric	EUR
Trend	€7.33
Avg 1-day	€3.40
Avg 7-day	€14.04
Avg 30-day	€7.43
Low	€0.98

FAQ

How much is Computer Error (Wizards Black Star Promos #16) worth?

As of our 2026-08-07 data, Computer Error from Wizards Black Star Promos is worth about $6.61 (TCGplayer US market) and around €7.92 (Cardmarket EU). Prices move constantly — check the live links before buying or selling.

Is Computer Error rare?

Its rarity is listed as Promo and it ranks #51 of 53 by value in Wizards Black Star Promos. Rarity is the printed classification — it does not by itself guarantee value.

What's the most valuable card in Wizards Black Star Promos?

By current US market price, it's Lucky Stadium at $1,284.

Is Computer Error's price going up or down?

On the Cardmarket (EU) trend it's -48% over 7 days, -1% over 30 days. That's an early momentum signal, not a guarantee — collectible prices are volatile and can reverse quickly.

Where can I check Computer Error's live price?

See the current TCGplayer (US) market price here: Computer Error on TCGplayer ↗.