Thorn Mammoth
Creature — Elephant
Trample
Whenever this creature or another creature you control enters, this creature fights up to one target creature you don't control.
- CMC
- 7
- Mana cost
- Color identity
- G
- Rarity
- rare
- Set
- The List
- Price
- $0.53
- EDHREC rank
- #5844
Thorn Mammoth enters the battlefield and immediately starts picking off creatures — every time one of your creatures fights, Thorn Mammoth deals damage to any target equal to its power, turning each combat into a removal spell. Seven mana is the real cost here, and that price tag means it belongs in ramp-heavy green shells that can reliably hit that number by turn five or six, not as a generalist beater.
Best Commanders
Commanders with the highest synergy

Neyith of the Dire Hunt
Neyith of the Dire Hunt and Thorn Mammoth are purpose-built for each other — Neyith forces blocks and draws cards off fights, and Thorn Mammoth converts every one of those fights into a free ping at any target, turning a card-advantage engine into a removal engine simultaneously.

Radha, Heir to Keld
Radha, Heir to Keld fuels the mana to cast Thorn Mammoth ahead of curve, and once it's on board, any attacking creature Radha empowers can trigger the Mammoth's damage ability to clear a blocker before combat damage even resolves.

Ruby, Daring Tracker
Ruby, Daring Tracker wants creatures that pull their weight the moment they enter, and Thorn Mammoth obliges by threatening a damage trigger off Ruby's own fight-enabling abilities, letting Ruby decks use the Mammoth as both a threat and interactive piece.

Goreclaw, Terror of Qal Sisma
Goreclaw, Terror of Qal Sisma shaves two mana off Thorn Mammoth's cost and gives it trample, making the Mammoth far easier to land and far harder to chump — a meaningful upgrade for a card that already demands attention the moment it resolves.

Kona, Rescue Beastie
Kona, Rescue Beastie cheats large creatures into play, and Thorn Mammoth is exactly the kind of high-power threat that rewards that shortcut — landing a seven-drop for free and immediately threatening to kill whatever blocks next is precisely what Kona decks want from their top-end.
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 |
Thorn Mammoth is a Commander card through and through — the singleton format's slower pace and multiplayer board states give it the time to generate multiple triggers, and green ramp decks can consistently hit seven mana. In Modern or Pioneer, seven mana is essentially unplayable in any competitive context; the effect doesn't come close to compensating for the cost when faster threats dominate those formats. Legacy and Vintage are legal on paper but irrelevant in practice. Commander is where Thorn Mammoth earns its slot, specifically in fight-tribal and creature-combat decks that want both board presence and incremental removal stapled to the same card.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.53 bulk tier
At $0.53, Thorn Mammoth is firmly bulk — cheap enough to slot in without any budget calculation. It's a niche card in a niche archetype, so don't expect the price to move meaningfully in either direction.
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Sources
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.