Sphere of Duty
Enchantment
If a green source would deal damage to you, prevent 2 of that damage.
- CMC
- 4
- Mana cost
- Color identity
- W
- Rarity
- uncommon
- Set
- Odyssey
- Price
- $0.14
- EDHREC rank
- #27652
Sphere of Duty locks down a creature with power 2 or less each turn, a meaningful deterrent against early attackers and utility creatures that happen to be small. The catch is the echo cost — miss the payment and you lose the enchantment, so it rewards stable white mana bases over greedy ones.
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 |
Sphere of Duty is legal in Commander, Legacy, Vintage, and Oathbreaker, but the formats where it sees any real consideration are narrow. In Commander it fills a niche in white enchantment-matters decks that want redundancy on soft-lock pieces, though more efficient options generally edge it out. Legacy and Vintage have no interest — the echo cost and single-target scope are far too slow for those formats. Oathbreaker is the most plausible home, where a white enchantress-style signature spell shell could extract some value from it.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.14 bulk tier
At $0.14, Sphere of Duty is deep bulk — you're paying for cardboard, not scarcity. That price is stable because demand is low, so don't expect movement in either direction.
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Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.