Phyrexian Boon
Enchantment — Aura
Enchant creature
Enchanted creature gets +2/+1 as long as it's black. Otherwise, it gets -1/-2.
- CMC
- 3
- Mana cost
- Color identity
- B
- Rarity
- common
- Set
- Alliances
- Price
- $0.10
- EDHREC rank
- #29223
Phyrexian Boon slaps a -2/-2 counter on any creature for two mana at instant speed — that's a kill shot on most mana dorks and a meaningful downsize on anything bigger. The catch is a life payment tied to how many black mana symbols you spent, which is rarely a real cost in a mono-black or heavy-black shell.
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 | legal |
| oathbreaker | legal |
In Commander, Phyrexian Boon occupies the budget removal slot in black-heavy decks that want instant-speed interaction without paying three or four mana. Legacy and Vintage have better options at the same cost, so it sees essentially no play there despite being legal. Pauper is the most interesting non-Commander home — common-legal -2/-2 effects at two mana are playable, and the life loss is manageable in a format with lower life totals and faster games. Oathbreaker mirrors Commander's calculus: fine if your signature spell or commander leans into -1/-1 counters, redundant otherwise.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.10 bulk tier
At $0.10, Phyrexian Boon is pure bulk — you're buying it out of a commons box, not tracking it down. That price is stable for as long as it stays a niche Commander inclusion; there's no spike catalyst in sight.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.