Tainted Observer
Creature — Phyrexian Bird
ONE· Phyrexia: All Will Be One· #217· uncommon
Flying
Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)
Whenever another creature you control enters, you may pay 
. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)Regular
$0.23
Foil
$0.34
EDH Insights
Synergies, top commanders, and recommendations from EDHREC.
Top Commanders
Commanders that run this card most
Atraxa, Praetors' Voice23% · 9.6k
Ezuri, Claw of Progress18% · 1.3k
Ezuri, Stalker of Spheres63% · 1.2k
Xavier Sal, Infested Captain13% · 1.0k
Atraxa, Grand Unifier5% · 854
The Wise Mothman1% · 468
Volrath, the Shapestealer8% · 307
Falco Spara, Pactweaver7% · 305
Choco, Seeker of Paradise2% · 265
Kros, Defense Contractor5% · 237
Tidus, Yuna's Guardian1% · 193
Omnath, Locus of All1% · 190
Played Alongside
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Game Changers
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Format Legality
standardN/A
pioneerlegal
modernlegal
legacylegal
vintagelegal
commanderlegal
pauperN/A
brawllegal