Mammoth Harness
Enchantment — Aura
Enchant creature
Enchanted creature loses flying.
Whenever enchanted creature blocks or becomes blocked by a creature, the other creature gains first strike until end of turn.
- CMC
- 4
- Mana cost
- Color identity
- G
- Rarity
- rare
- Set
- Homelands
- Price
- $0.53
- EDHREC rank
- #30749
Mammoth Harness turns any creature into a repeatable tap source that can shut down an attacker or blocker every turn — for three mana and an Aura slot. The rate is real in tap-synergy shells, irrelevant everywhere else.
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 |
Mammoth Harness is legal in Commander, Legacy, Vintage, and Oathbreaker, but Legacy and Vintage have no interest in a three-mana Aura that doesn't win the game immediately. Commander is the only home where Mammoth Harness earns a slot — specifically in decks that reward repeated tapping, like Exhaustion-style control or untap-loop engines. Outside of those focused strategies, it's too slow and too narrow to justify the card.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.53 bulk tier
At $0.53, Mammoth Harness sits firmly in bulk territory. It won't appreciate unless a future commander makes tap-Auras generically powerful, so buy it if the deck wants it and ignore it otherwise.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.