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  5. Promo Pack: The Brothers' War
  6. Autonomous Assembler

Magic · Promo Pack: The Brothers' War · #34 · Rare

Autonomous Assembler

Magic card price for Autonomous Assembler: $0.28 market, from $0.24 at the cheapest listing, Foil printing, updated Oct 17, 2026. Full price history since May 23, 2024 below.

Market price · Foil · Oct 17, 2026
$0.28
0.0% this week · 0.0% in 30 days
Buy on eBay →
1 day0.0%
7 days0.0%
30 days0.0%
90 days0.0%
1 year+40.0%
All time−50.9%

Sellers right now

$0.24lowest listing$8.14highest
Market price$0.28
Mid listing$0.50
30-day avg$0.28

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$0.28
Cardmarket$0.53 €0.47

EUR converted at 1.1253 (ECB reference rate). Shipping and condition not included.

One year

$0.2052-week low$0.2852-week high
In the range100%
All-time low$0.20
All-time high$0.57
First priceMay 23, 2024
Foil · market priceCardmarket (EU, in USD)
$0.15$0.30$0.46$0.61
$0.28
May 2024Mar 2025Dec 2025Oct 2026
TCGplayer · via tcgcsv · Cardmarket · via MTGJSONtcgrate.com

Price story

Autonomous Assembler (Foil) entered our records in May 2024 at $0.57 and stands at $0.28 today, down 50.9% over that time. Over the past twelve months it moved +40.0%, trading between $0.20 and $0.28. The current price is near the top of that range. Its all-time high in our data is $0.57, still 104% above the current price. The cheapest listing right now is $0.24, and the 30-day average market price is $0.28.

Printings

PrintingMarketLowHigh7d
Foil$0.28$0.24$8.140.0%
Normal$0.24$0.20$1.950.0%

The card in play

Power / Toughness4 / 5
Type line
Artifact Creature — Assembly-Worker
Rules text

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) 1W | 2/2

Vigilance

1, T: Put a +1/+1 counter on target Assembly-Worker you control.

Other printings of Autonomous Assembler

3 more · $0.23 – $0.36
All printings
Autonomous Assembler (34), Prerelease Cards — Magic card price 0.0% 7d Autonomous Assembler Prerelease Cards · #34 $0.36 Autonomous Assembler (Extended Art) (309), The Brothers' War — Magic card price 0.0% 7d Autonomous Assembler (Extended Art) The Brothers' War · #309 $0.31 Autonomous Assembler (34), The Brothers' War — Magic card price −8.0% 7d Autonomous Assembler The Brothers' War · #34 $0.23

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