Autonomous Assembler (PBRO-34p) is an Artifact Creature — Assembly-Worker from The Brothers' War Promos. It has Prototype allowing it to be cast for an alternate {1}{W} as a 2/2 and otherwise is a 4/5 with vigilance. It can pay {1} and tap to put a +1/+1 counter on another Assembly-Worker you control, supporting creature-based artifact decks.

Identity & printing

Name: Autonomous Assembler
Number: 34
Rarity: Rare
Variant: Normal
Language code: EN

Type line & stats

Subtypes

Market prices (catalog API)

eBay sold comps from the Vendor Tools public catalog — tap a condition below to filter sales, or refresh to pull new data into the catalog

Catalog pricing data as of 21 Apr 2026, 02:25

More in this set

Other cards from The Brothers' War Promos

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Assembly-Worker

Types

Artifact, Creature

Catalog metadata

Imported from: Vendor Tools Public API catalog

Rules

Prototype {1}{W} — 2/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Vigilance {1}, {T}: Put a +1/+1 counter on target Assembly-Worker you control.

Set, artist & references

Artist: Slawomir Maniak
Language: English
Set name: The Brothers' War Promos
Game name: Magic The Gathering

In play

Abilities, attacks, weakness & resistance