
Mycosynth Fiend: Creature - Phyrexian Horror, Phyrexia: All Will Be One Commander. Printings, market prices, rulings, and format legality on Mana Grove.
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Mycosynth Fiend is a Magic: The Gathering card, an uncommon green creature from Phyrexia: All Will Be One Commander (ONC), a Commander product released in February 2023. It is collector number 109 in that set, with art by Kev Walker. It costs {2}{G} (two generic and one green mana) to cast, for a mana value of 3. It is a 2/2 creature. Its colour identity is green. It is legal in Modern, Legacy, Vintage, Commander, Duel Commander, Oathbreaker, PreDH and Penny Dreadful. It has been printed in 2 sets, from New Phyrexia (2011) to Phyrexia: All Will Be One Commander (2023). The latest aggregated market price for this printing is $0.21 (normal finish, as of 2026-11-12).
This creature gets +1/+1 for each poison counter your opponents have.
"I wish I could take credit for it, but nature progresses on its own, just the way it should." -Vorinclex, Voice of Hunger
Latest aggregated market price for the normal finish of this printing: $0.21 (as of 2026-11-12).
The figure covers this printing only; other printings carry their own price on their own page.
Legality of Mycosynth Fiend by format. Formats in which it is not legal are not listed.
| Modern | Legal |
|---|---|
| Legacy | Legal |
| Vintage | Legal |
| Commander | Legal |
| Duel Commander | Legal |
| Oathbreaker | Legal |
| PreDH | Legal |
| Penny Dreadful | Legal |
Mycosynth Fiend has been printed in 2 sets. The other printings are listed newest first, with the rarity and release year of each.
| Printing | Rarity | Year |
|---|---|---|
| New Phyrexia (NPH) #117 | Uncommon | 2011 |
Other creature cards with a green colour identity, ranked by how often they appear in Commander decks.
Mycosynth Fiend is in the decklist of these preconstructed Commander decks.