Legendary Artifact Creature — Golem

Armix, Filigree Thrasher

Mana value3EDHREC#5,885PartnerYes

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The Commander

Whenever Armix attacks, you may discard a card. When you do, target creature defending player controls gets -X/-X until end of turn, where X is the number of artifacts you control plus the number of artifact cards in your graveyard.

Partner (You can have two commanders if both have partner.)

Guide

Gameplan

Build a critical mass of artifacts so Armix's attack trigger becomes a repeatable removal cannon, discarding a card to shrink (and usually kill) any blocker or threat the defending player controls. You ramp into cheap artifacts early, fill the graveyard, and use Partner to add a second strategic angle while Armix grinds the board down to nothing.

Strengths

Repeatable, instant-speed-style removal every combat that scales with your board and graveyard
Counts artifacts in the yard, so sacrifice and self-mill synergies feed it for free
Mono-black gives access to tutors, recursion, and strong card advantage
Partner slot lets you tailor the second commander and color identity to your gameplan
Cheap to cast and pressures multiple opponents over time

Weaknesses

X relies on having many artifacts in play/yard, so early game it does almost nothing
Requires Armix to attack and survive combat to function
Vulnerable to board wipes and artifact hate that erase your X count
Discard cost can drain your hand if you lack card advantage
Single-target removal only — struggles against go-wide token swarms

Key Cards

Mishra's Bauble — Free artifact that cantrips and, once in the graveyard, permanently boosts Armix's X.
Ornithopter — Zero-cost artifact body that pads your artifact count immediately for cheap.
Goblin Welder — Loops artifacts between battlefield and yard, but partner-color dependent; black has Trash for Treasure-style recursion instead.
Krark-Clan Ironworks — Sacrifices artifacts for mana while loading the graveyard to inflate Armix's removal.
Buried Alive — Stocks the graveyard with artifact cards to spike X without needing them on the battlefield.
Reckless Fireweaver — Pings opponents as artifacts enter, turning your artifact density into incidental damage (color permitting).

Upgrade Path

Add fast artifact mana (Sol Ring, Mana Vault, Mox Opal) and zero-cost artifacts to spike Armix's X by turn three or four. Lean into a sacrifice/recursion engine (Krark-Clan Ironworks, Scrap Trawler, Trading Post) so artifacts in the yard keep counting and rebuild after wipes. Choose a Partner like Tymna the Weaver or Akiri/Bruse Tarl to add card draw, evasion, or a second color that unlocks Disciple of the Vault and Reckless Fireweaver finishers.

Core Cards

The most-played cards for this commander, built from aggregated deck data (the Mythic Graph). Build public decks to seed it.

Win Conditions

▸Beating down with Armix and a fleet of artifact creatures while clearing blockers each combat
▸Artifact ETB/death pingers (Reckless Fireweaver, Disciple of the Vault) draining the table
▸Pivoting to your Partner commander's dedicated win line
▸Grinding the board to nothing with repeated -X/-X, then attacking unopposed

Archetypes

Artifacts (Affinity/Big Mana) — The whole deck is built around flooding the board with artifacts to maximize Armix's -X/-X.
Aristocrats/Sacrifice — Sacrificing artifacts feeds value engines while still counting toward Armix's graveyard total.
Control/Removal — Armix functions as a recurring removal spell, letting you grind opponents out one creature at a time.
Voltron-adjacent Pressure — With evasion or protection, Armix becomes a clock that also clears its own blockers.