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Umori, the Collector

Legendary Creature — Ooze

Companion — Each nonland card in your starting deck shares a card type. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)
As Umori enters, choose a card type.
Spells you cast of the chosen type cost {1} less to cast.

CMC
4
Mana cost
{2}{B/G}{B/G}
Color identity
BG
Rarity
rare
Set
Multiverse Legends
Price
—
EDHREC rank
#11625
Buy on TCGplayer
Umori, the Collector card art
Umori, the Collector reduces the mana cost of every permanent or non-permanent spell you cast — depending on the chosen type — by one generic mana, which is a meaningful discount across a full game if you build around a single card type. The cost is real: running Umori as a companion locks you into a deck where every non-land card shares a type, a constraint that shapes card choices as aggressively as any build-around in the format, which is why it slots most naturally into dedicated creature builds or artifact shells already reaching for payoffs like Sensei's Divining Top, and why commanders like The Mimeoplasm — whose creature-heavy graveyard strategy aligns naturally with a creatures-only restriction — get the most mileage out of it.

Best Commanders

Commanders with the highest synergy

01
The Mimeoplasm

The Mimeoplasm

12.4% of decks · synergy 0.12

The Mimeoplasm runs creature-dense graveyards by design, so the creatures-only restriction Umori, the Collector imposes barely registers as a cost — every threat, piece of interaction, and value engine the deck wants is already a creature, and the one generic reduction compounds across a full curve of fatties.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern legal
pioneer legal
standard not legal
vintage legal
pauper not legal
oathbreaker legal

In Commander, Umori, the Collector is a niche but legitimate companion for dedicated creature or artifact builds that can absorb the deckbuilding constraint without sacrificing core functionality — the one-mana discount across dozens of spells adds up to a real tempo advantage over a long game. In Legacy and Vintage, Umori has seen fringe play in artifact shells and creature combo decks where the type restriction is already close to fulfilled, though the strict companion rule makes it more of a build-around than a free inclusion. Modern offers the most realistic non-Commander home — all-creature fair decks and certain artifact synergy shells can satisfy the requirement without gutting the strategy, and the cost reduction is meaningful in a format where one mana often defines whether a line is viable. Pioneer is legal but the companion hasn't found a consistent home there, largely because the format's most powerful shells rely on instants or sorceries that Umori would force out.

Key Combos

Combo lines featuring this card

15 decks
Umori, the CollectorAcererak the ArchlichGwenna, Eyes of Gaea

Umori, the CollectorAcererak the ArchlichGwenna, Eyes of Gaea

Infinite card draw; Infinite draw triggers; Near-infinite +1/+1 counters; Near-infinite colored mana; Near-infinite creature tokens; Near-infinite damage; Near-infinite ETB; Near-infinite lifegain; Near-infinite lifegain triggers; Near-infinite lifeloss; Near-infinite LTB; Near-infinite storm count; Near-infinite Treasure tokens; Near-infinite ventures into the dungeon

View on Commander Spellbook ↗

Price Context

Current price

unknown tier

Current price data for Umori, the Collector isn't available in this context, so check Scryfall or your preferred retailer for the latest number. As a mythic companion with a narrow but real niche in Commander and occasional constructed play, it tends to hold a modest price floor — worth picking up if you're building into the restriction deliberately rather than speculating.

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Sources

Mentioned

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.