Tainted Observer
Creature — Phyrexian Bird · 
Tainted Observer is part of 22 combos legal in Commander. Often combined with Ashnod's Altar and Tekuthal, Inquiry Dominus.
Tainted Observer
Creature — Phyrexian Bird
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.)
- Mana value
- 3
- Power/Toughness
- 2/3
- Keywords
- Flying, Toxic, Proliferate
- Color identity
Frequently combined with
The cards that most often join Tainted Observer across all of its 22 combos.
Combos with Tainted Observer
22 combos legal in Commander.
Color Identity: B, G, U
Cards in combo:
Venser, Corpse Puppet
Tainted Observer
Ashnod's Altar
+1 other prerequisite
Results in combo:
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
Infinite creature sacrifice triggers
Color Identity: G, U
Cards in combo:
Tainted Observer
Ashnod's Altar
Scurry Oak
+2 other prerequisites
Results in combo:
Infinite +1/+1 counters on a creature
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
Infinite creature sacrifice triggers
Color Identity: G, U
Cards in combo:
Sporoloth Ancient
Tainted Observer
Ashnod's Altar
Tekuthal, Inquiry Dominus
+1 other prerequisite
Results in combo:
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
Infinite creature sacrifice triggers
Color Identity: G, U
Cards in combo:
Sporoloth Ancient
Tainted Observer
Ashnod's Altar
Doubling Season
+1 other prerequisite
Results in combo:
Infinite colorless mana
Infinite creature tokens
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
Infinite creature sacrifice triggers
Color Identity: G, U
Cards in combo:
Adrix and Nev, Twincasters
Sporoloth Ancient
Tainted Observer
Ashnod's Altar
+1 other prerequisite
Results in combo:
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
Infinite creature sacrifice triggers
Color Identity: G, U
Cards in combo:
Sporoloth Ancient
Tainted Observer
Ashnod's Altar
Parallel Lives
+1 other prerequisite
Results in combo:
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
Infinite creature sacrifice triggers
Color Identity: G, U
Cards in combo:
Pir, Imaginative Rascal
Sporoloth Ancient
Tainted Observer
Ashnod's Altar
+1 other prerequisite
Results in combo:
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
Infinite creature sacrifice triggers
Color Identity: G, U
Cards in combo:
Sporoloth Ancient
Tainted Observer
Ashnod's Altar
Primal Vigor
+1 other prerequisite
Results in combo:
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
Infinite creature sacrifice triggers
Color Identity: G, U
Cards in combo:
Tainted Observer
Ashnod's Altar
Saproling Burst
+1 other prerequisite
Results in combo:
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
Infinite creature sacrifice triggers
Color Identity: B, G, U
Cards in combo:
Venser, Corpse Puppet
Tainted Observer
Krark-Clan Ironworks
+1 other prerequisite
Results in combo:
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
Infinite creature sacrifice triggers
Color Identity: G, U
Cards in combo:
Tainted Observer
Ashnod's Altar
Herd Baloth
+2 other prerequisites
Results in combo:
Infinite +1/+1 counters on a creature
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
Infinite creature sacrifice triggers
Color Identity: G, U
Cards in combo:
Tainted Observer
Animation Module
Crystalline Crawler
Doubling Season
Tekuthal, Inquiry Dominus
+2 other prerequisites
Results in combo:
Infinite +1/+1 counters on a creature
Infinite colored mana
Infinite creature tokens
Infinite creature ETB
Infinite proliferate
Color Identity: G, U
Cards in combo:
Tainted Observer
Animation Module
Crystalline Crawler
Hardened Scales
Tekuthal, Inquiry Dominus
+2 other prerequisites
Results in combo:
Infinite +1/+1 counters on a creature
Infinite colored mana
Infinite creature tokens
Infinite creature ETB
Infinite proliferate
Color Identity: G, U
Cards in combo:
Pir, Imaginative Rascal
Tainted Observer
Animation Module
Crystalline Crawler
Tekuthal, Inquiry Dominus
+2 other prerequisites
Results in combo:
Infinite +1/+1 counters on a creature
Infinite colored mana
Infinite creature tokens
Infinite creature ETB
Infinite proliferate
Color Identity: G, U
Cards in combo:
Tainted Observer
Animation Module
Crystalline Crawler
Branching Evolution
Tekuthal, Inquiry Dominus
+2 other prerequisites
Results in combo:
Infinite +1/+1 counters on a creature
Infinite colored mana
Infinite creature tokens
Infinite creature ETB
Infinite proliferate
Color Identity: G, U, R
Cards in combo:
Tainted Observer
Mana Echoes
Basking Broodscale
Results in combo:
Infinite colorless mana
Infinite creature ETB
Infinite creature LTB
Infinite creature sacrifice triggers
Infinite creature tokens
Infinite death triggers
Infinite proliferate
Infinite +1/+1 counters on a creature
Color Identity: G, U
Cards in combo:
Tainted Observer
Animation Module
Crystalline Crawler
Vorinclex, Monstrous Raider
Tekuthal, Inquiry Dominus
+2 other prerequisites
Results in combo:
Infinite +1/+1 counters on a creature
Infinite colored mana
Infinite creature tokens
Infinite creature ETB
Infinite proliferate
Color Identity: G, U
Cards in combo:
Tainted Observer
Animation Module
Crystalline Crawler
Primal Vigor
Tekuthal, Inquiry Dominus
+2 other prerequisites
Results in combo:
Infinite +1/+1 counters on a creature
Infinite colored mana
Infinite creature tokens
Infinite creature ETB
Infinite proliferate
Color Identity: G, U, R
Cards in combo:
Tainted Observer
Mana Echoes
Saproling Burst
+1 other prerequisite
Results in combo:
Infinite colorless mana
Infinite creature tokens
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
Color Identity: G, U, R
Cards in combo:
Tainted Observer
Mana Echoes
Scurry Oak
Results in combo:
Infinite +1/+1 counters on a creature
Infinite colorless mana
Infinite creature tokens
Infinite death triggers
Infinite creature ETB
Infinite creature LTB
Infinite proliferate
