---
name: "Tainted Observer"
mana_cost: "{1}{G}{U}"
cmc: 3
type_line: "Creature — Phyrexian Bird"
colors: ["G", "U"]
color_identity: ["G", "U"]
keywords: ["Flying", "Toxic", "Proliferate"]
set: "ONE"
set_name: "Phyrexia: All Will Be One"
collector_number: "217"
rarity: "uncommon"
artist: "Johann Bodin"
oracle_id: "420aaa77-f429-4f3d-a73e-91dc25cb38db"
canonical_url: "https://avascry.com/printing/tainted-observer-one"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Tainted Observer
- **Mana Cost:** `{1}{G}{U}` (CMC: 3)
- **Type:** Creature — Phyrexian Bird
- **Power/Toughness:** 2/3
- **Keywords:** Flying, Toxic, Proliferate

## Oracle Text
Flying
Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)
Whenever another creature you control enters, you may pay {2}. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

## Top 4096-Dim Neural Synergies
1. [Venomous Brutalizer](/printing/venomous-brutalizer-one.md) — Creature — Phyrexian Knight
2. [Thrummingbird](/printing/thrummingbird-slz.md) — Creature — Phyrexian Bird Horror
3. [Flensing Raptor](/printing/flensing-raptor-one.md) — Creature — Phyrexian Bird
4. [Voidwing Hybrid](/printing/voidwing-hybrid-one.md) — Creature — Phyrexian Bat
5. [Bloated Contaminator](/printing/bloated-contaminator-pone.md) — Creature — Phyrexian Beast
6. [Vexing Radgull](/printing/vexing-radgull-pip.md) — Creature — Bird Mutant

## Printing Details
- **Set:** Phyrexia: All Will Be One (ONE) #217
- **Rarity:** Uncommon
- **Artist:** Johann Bodin
- **Total Printings:** 8 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `not_legal` | Modern: `legal` | Pioneer: `legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `not_legal`