Is Circuit Mender good in Commander?

Circuit Mender

Artifact Creature — Insect

When this creature enters, you gain 2 life.
When this creature leaves the battlefield, draw a card.

CMC: 3
Mana cost
Color identity: C
Rarity: uncommon
Set: Kamigawa: Neon Dynasty
Price: $0.33
EDHREC rank: #2102

Circuit Mender enters the battlefield and replaces itself immediately — a 3/3 artifact creature that draws a card on arrival is already pulling its weight before you consider anything else. The real ceiling is in recursive loops: pair it with Mortuary or slot it under Y'shtola Rhul and it becomes an engine piece, not a role-player.

Best Commanders

Commanders with the highest synergy

Y'shtola Rhul

67.4% of decks · synergy 0.66

Y'shtola Rhul returns nontoken creatures to the battlefield tapped and attacking when they die, which turns Circuit Mender's enters-the-battlefield draw trigger into a repeatable card-advantage engine every combat step.

Delina, Wild Mage

62.8% of decks · synergy 0.60

Delina, Wild Mage creates token copies of creatures she attacks with, meaning each Circuit Mender copy draws a card the moment it enters — stack enough rolls and you've refueled your hand mid-combat.

Gandalf the White

53.4% of decks · synergy 0.50

Gandalf the White flickers and reuses permanents, and Circuit Mender's draw-on-entry trigger fires every time it blinks back in, making it a reliable source of incremental card advantage in a shell that already wants to abuse enters-the-battlefield effects.

Zask, Skittering Swarmlord

49.4% of decks · synergy 0.47

Zask, Skittering Swarmlord cares about Insects going to the graveyard and returning them to play, and Circuit Mender's draw trigger combined with its artifact-creature typing gives the deck a low-cost, self-replacing piece that fuels the graveyard loop.

The Jolly Balloon Man

45.1% of decks · synergy 0.41

The Jolly Balloon Man rewards running high-cost artifacts and creatures that generate value on entry, and Circuit Mender delivers exactly that — a four-mana artifact that draws a card and contributes a meaningful body toward whatever payoff the deck is assembling.

Format Analysis

Where it lives, where it can’t

Format	Verdict
commander	legal
legacy	legal
modern	legal
pioneer	legal
standard	not legal
vintage	legal
pauper	not legal
oathbreaker	legal

Circuit Mender is legal in Commander, Legacy, Modern, Pioneer, Vintage, and Oathbreaker, but Commander is overwhelmingly where it lives. In Constructed formats like Modern and Pioneer, a four-mana 3/3 that draws one card doesn't clear the bar — Constructed decks demand more immediate impact at that cost, and Circuit Mender offers no disruption, haste, or game-warping text. In Commander, the calculus flips: enters-the-battlefield triggers are easy to recur, artifact synergies are everywhere, and a self-replacing creature is always welcome in decks that grind.

Key Combos

Combo lines featuring this card

4 decks