Magic

Prices updated

Mammoth Umbra Ultimate Masters MTG card
UMA #24 · Art by Howard Lyon
UMA set symbol, CommonUltimate Masters#24Common

Mammoth Umbra

Enchantment · AuraUmbra armor, Enchant
TCGplayer market · UMA #24 nonfoil
$0.23 −4.2% −$0.01, 7 days
1-year range
30 days
−8.0%
EDHREC rank
#13,038 Down 181 in 30 days
Best buylist

Buy UMA #24 nonfoil

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Mammoth Umbra Price Summary

The benchmark price (cheapest playable nonfoil) is $0.23, down 4.2% over 7 days, down 8.0% over 30 days, down 14.8% over 90 days.

Mammoth Umbra Price History

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Mammoth Umbra price history chart, default range 3 months. currently $0.23.

Where to Buy and Sell Mammoth Umbra

Every market we track for UMA #24 nonfoil on one line. The gray band is what you give up selling to a store instead of buying at market.

Mammoth Umbra in Sealed Products

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Mammoth Umbra Printings & Prices

Mammoth Umbra has 4 tracked printings across 4 sets, in nonfoil and foil finishes.

UMA set symbol, CommonUMA #24
Viewing
ROE set symbol, UncommonROE #37
PCA set symbol, UncommonPCA #10
PC2 set symbol, UncommonPC2 #10

Sell Mammoth Umbra: Buylist Offers

BuyerPrintingFinishCash offerMarketSpread to market
Card KingdomROE #37Foil
Card KingdomUMA #24Foil
CoolStuffIncPCA #10Nonfoil
CoolStuffIncPC2 #10Nonfoil
CoolStuffIncROE #37Foil
Card KingdomPC2 #10Nonfoil
CoolStuffIncUMA #24Foil
CoolStuffIncUMA #24Nonfoil
Card KingdomUMA #24Nonfoil
Card KingdomPCA #10Nonfoil

Mammoth Umbra Rules Text & Legality

Mammoth Umbra

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.)

Mammoth Umbra is legal in Modern, Legacy, Commander and Pauper, and not legal in Standard and Pioneer.

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Mammoth Umbra Rulings

  • Jun 7, 2024

    If a creature enchanted with an Aura that has umbra armor has indestructible, lethal damage and effects that try to destroy it simply have no effect. Umbra armor won't do anything because it won't have to.

  • Jun 7, 2024

    If a creature enchanted with an Aura that has umbra armor would be destroyed by multiple state-based actions at the same time (most likely because a creature with deathtouch has dealt damage to that creature greater than or equal to its toughness), umbra armor's effect will replace all of them and save the creature.

  • Jun 7, 2024

    If a creature you control is enchanted with multiple Auras that have umbra armor, and the enchanted creature would be destroyed, one of those Auras is destroyed instead—but only one of them. You choose which one because you control the enchanted creature.

  • Jun 7, 2024

    If a spell or ability says that it would "destroy" a creature enchanted with an Aura that has umbra armor, that spell or ability is what causes the Aura to be destroyed instead. Umbra armor doesn't destroy the Aura; rather, it changes the effects of the spell or ability. On the other hand, if a spell or ability deals lethal damage to a creature enchanted with an Aura that has umbra armor, the game rules regarding lethal damage cause the Aura to be destroyed, not that spell or ability.

  • Jun 7, 2024

    If a spell or ability would destroy both an Aura with umbra armor and the creature it's enchanting at the same time, umbra armor's effect will save the enchanted creature from being destroyed. Instead, the spell or ability will destroy the Aura in two different ways at the same time, but the result is the same as destroying it once.

Reprints & Reprint Risk

Mammoth Umbra has been reprinted 6 times.

  • Apr 23, 2010ROE set symbol, UncommonRise of the EldraziROE #37
  • Apr 23, 2010ROE set symbol, UncommonRise of the Eldrazi · foilROE #37
  • Jun 1, 2012PC2 set symbol, UncommonPlanechase 2012PC2 #10
  • Nov 25, 2016PCA set symbol, UncommonPlanechase AnthologyPCA #10
  • Dec 7, 2018UMA set symbol, CommonUltimate Masters · foilUMA #24
  • Dec 7, 2018UMA set symbol, CommonUltimate MastersUMA #24

Mammoth Umbra in Commander

Mammoth Umbra is the #13,038 most-played card on EDHREC, down 181 places over the last 30 days.

#13,038 EDHREC rank
across all Commander decks Down 181 in 30 days

Mammoth Umbra FAQ

How much is Mammoth Umbra worth?

Mammoth Umbra is worth about $0.23 for its cheapest playable printing as of Nov 8, 2026.

Is Mammoth Umbra legal in Commander?

Yes. Mammoth Umbra is legal in Commander. It is also legal in Modern, Legacy and Pauper.

Has Mammoth Umbra been reprinted?

Yes. Mammoth Umbra has been reprinted 6 times, with 4 printings tracked on The Index.

Why is Mammoth Umbra cheap?

Mammoth Umbra trades at about $0.23; 6 reprints keep supply plentiful, and Commander demand is modest (#13,038 on EDHREC).