Mammoth Umbra
Enchantment — Aura
Enchant creature
Enchanted creature gets +3/+3 and has vigilance.
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
- CMC
- 5
- Mana cost
- Color identity
- W
- Rarity
- common
- Set
- Ultimate Masters
- Price
- $0.23
- EDHREC rank
- #11915
Mammoth Umbra puts a +1/+1 counter and a totem armor shield on any creature for five mana — the shield alone justifies it in commander-centric decks where losing your general is a tempo disaster. Pearl-Ear, Imperial Advisor decks run it at a 34% rate because protecting the engine is the whole game plan.
Best Commanders
Commanders with the highest synergy
Pearl-Ear, Imperial Advisor
Pearl-Ear, Imperial Advisor lives and dies on staying in play to chain advisor triggers, and Mammoth Umbra replaces a board wipe's destroy effect with a mere counter removal — exactly the insurance a fragile value engine needs.
Killian, Ink Duelist
Killian, Ink Duelist halves the cost of auras, which drops Mammoth Umbra to three mana and makes totem armor on a menace commander trivially efficient.
Bruna, Light of Alabaster
Bruna, Light of Alabaster attacks and pulls auras directly from the graveyard onto herself, so Mammoth Umbra functions as a reusable shield that resets every combat step she connects.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | legal |
| oathbreaker | legal |
In Commander, Mammoth Umbra earns its slot in Voltron and commander-protection shells specifically because totem armor turns a lethal board wipe into a minor setback. Outside Commander, the five-mana cost is the ceiling — Pauper is where it sees the most competitive light, slotting into Bogles-style hexproof aura decks as a late power boost with built-in resilience. Legacy and Vintage have access to it but ignore it; the mana cost is simply too high when cheaper auras dominate those formats. Modern has better options at every point on the curve, so Mammoth Umbra is effectively a Commander-and-Pauper card.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.23 bulk tier
At $0.23, Mammoth Umbra is bulk — pick it up without a second thought. Bulk enchantments with niche Commander demand rarely spike, so the price is stable.
Explore
Sources
Mentioned
- Pearl-Ear, Imperial Advisor
- Killian, Ink Duelist
- Bruna, Light of Alabaster
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.