Is Octopus Umbra good in Commander?

Octopus Umbra in Commander — Combos, Decks & Price

Octopus Umbra turns any creature into an 8/8 with totem armor — that's a massive stat jump stapled to the most resilient aura keyword in the game. The five-mana cost is real, but in Ivy, Gleeful Spellthief decks it copies for free onto a second target, making a single cast a two-creature blowout.

Best Commanders

Commanders with the highest synergy

01

Ivy, Gleeful Spellthief

31.5% of decks · synergy 0.31

Ivy, Gleeful Spellthief copies any single-target spell that targets only her opponent's creatures, so casting Octopus Umbra on any creature triggers a free copy onto Ivy herself — you spend five mana and end up with two 8/8s with totem armor, which is why Octopus Umbra shows up in nearly a third of all Ivy lists.

02

Eriette, the Beguiler

28.3% of decks · synergy 0.28

Eriette, the Beguiler drains opponents equal to the number of auras you control and gains life in the same transaction, so Octopus Umbra pulls double duty as both a high-stat threat and another aura ticking up the life-drain clock.

03

Bruna, Light of Alabaster

28.1% of decks · synergy 0.27

Bruna, Light of Alabaster cheats auras directly from the graveyard and hand onto herself when she attacks, and Octopus Umbra is one of the highest-impact auras she can grab — turning her into a totem-armored 10/10-plus in a single combat step.

04

Estrid, the Masked

15.8% of decks · synergy 0.15

Estrid, the Masked untaps enchanted permanents and rebuilds the board after wipes, so Octopus Umbra's totem armor clause fits cleanly into her gameplan of keeping enchantments on the battlefield through removal and wraths.

Format Analysis

Where it lives, where it can’t

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

Commander is the natural home for Octopus Umbra — totem armor rewards the kind of creature-investment strategies that show up in voltron and aura-based builds, and the singleton format means you're not competing against better copies of itself. Legacy and Vintage are legal but uninterested; aura-based strategies don't have the redundancy or speed to compete with those formats' threat density. Oathbreaker is the one non-Commander 60-card-adjacent format where it shows up, and only in dedicated aura builds around a planeswalker that wants creatures suited up fast.

Key Combos

Combo lines featuring this card

Price Context

Current price

unknown tier

Pricing data isn't currently available for Octopus Umbra, so check Scryfall or TCGPlayer for a live quote before buying. Given its niche appeal in Commander aura strategies, it typically sits in the budget-to-mid range — worth verifying before paying a premium.