Prosthetic Injector
Artifact — Equipment
Equipped creature gets +0/+2 and has toxic 1. (Players dealt combat damage by equipped creature also get a poison counter.)
Equip 
- CMC
- 1
- Mana cost
- Color identity
- C
- Rarity
- uncommon
- Set
- Phyrexia: All Will Be One
- Price
- $0.10
- EDHREC rank
- #9116
Prosthetic Injector enters the battlefield and immediately staples two oil counters onto any target permanent, doubling as both an artifact synergy piece and a counter-seeding engine for one mana. One mana for two counters on demand is a real rate — run it in any deck that cares about oil counters, proliferate, or artifact count.
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 |
Commander is where Prosthetic Injector earns its keep, slotting into Phyrexian-themed builds, proliferate strategies, and any commander that rewards stacking counters on permanents for a single mana. In competitive non-rotating formats like Modern and Legacy it's too narrow — paying a card to place two oil counters rarely lines up with what those formats demand, and it sees essentially no play there. Pioneer and Vintage are the same story: the effect is real, but the application is too parasitic without a dedicated shell. Prosthetic Injector is a Commander card through and through, and it knows it.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.10 bulk tier
At $0.10, Prosthetic Injector is deep bulk — easy to pick up in a trade binder or throw into any order as a free inclusion. Bulk rares with narrow synergy profiles like this one rarely climb unless a new commander breaks the archetype wide open, so grab it cheap if the deck calls for it and don't overthink it.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.