Tainted Observer
Creature — Phyrexian Bird2/3$0.28
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.)
Legal in Commander
Is
Does
Rewards
Combos 9
Tainted Observer + Venser, Corpse Puppet + Ashnod's Altar
- Infinite proliferate
Commander Spellbook ↗How it works
Before you start
You have a way to cause a creature to enter the battlefield under your control.
Steps
Cause a creature to enter the battlefield under your control. Tainted Observer triggers, causing you to pay {2} to proliferate. Venser triggers, creating a legendary 3/3 The Hollow Sentinel artifact creature token. The Hollow Sentinel enters the battlefield, triggering Tainted Observer. Holding priority, activate Ashnod's Altar by sacrifcing The Hollow Sentinel, adding {C}{C}. Resolve the Tainted Observer trigger, causing you to pay {2} to proliferate. Repeat from step 3.
Tainted Observer + Ashnod's Altar + Scurry Oak
- Infinite +1/+1 counters on a creature
- Infinite proliferate
Commander Spellbook ↗How it works
Before you start
You have a way to cause a creature to enter the battlefield under your control. Scurry Oak has at least one +1/+1 counter on it.
Steps
Cause a creature to enter the battlefield under your control. When the creature enters the battlefield, Tainted Observer triggers. Holding priority, activate Ashnod's Altar by sacrificing the creature, adding {C}{C}. Resolve the Tainted Observer trigger, causing you to pay {2} to put a +1/+1 counter on Scurry Oak. Scurry Oak triggers, creating a 1/1 Squirrel creature token. Repeat from step 2.
Tainted Observer + Ashnod's Altar + Herd Baloth
- Infinite +1/+1 counters on a creature
- Infinite proliferate
Commander Spellbook ↗How it works
Before you start
You have a way to cause a creature to enter the battlefield under your control. Herd Baloth has at least one +1/+1 counter on it.
Steps
Cause a creature to enter the battlefield under your control. When the creature enters the battlefield, Tainted Observer triggers. Holding priority, activate Ashnod's Altar by sacrificing the creature, adding {C}{C}. Resolve the Tainted Observer trigger, causing you to pay {2} to put a +1/+1 counter on Herd Baloth. Herd Baloth triggers, creating a 4/4 Beast creature token. Repeat from step 2.
Tainted Observer + Venser, Corpse Puppet + Krark-Clan Ironworks
- Infinite proliferate
Commander Spellbook ↗How it works
Before you start
You have a way to cause a creature to enter the battlefield under your control.
Steps
Cause a creature to enter the battlefield under your control. Tainted Observer triggers, causing you to pay {2} to proliferate. Venser triggers, creating a legendary 3/3 The Hollow Sentinel artifact creature token. The Hollow Sentinel enters the battlefield, triggering Tainted Observer. Holding priority, activate Krark-Clan Ironworks by sacrifcing The Hollow Sentinel, adding {C}{C}. Resolve the Tainted Observer trigger, causing you to pay {2} to proliferate. Repeat from step 3.
Tainted Observer + Ashnod's Altar + Saproling Burst
- Infinite proliferate
Commander Spellbook ↗How it works
Before you start
Saproling Burst has at least two fade counters on it.
Steps
Activate Saproling Burst by removing a fade counter from it, creating a */* Saproling creature token. When the Saproling enters the battlefield, Tainted Observer triggers. Holding priority, activate Ashnod's Altar by sacrificing the Saproling, adding {C}{C}. Resolve the Tainted Observer trigger, causing you to pay {2} to put a fade counter on Saproling Burst. Repeat.
Tainted Observer + Mana Echoes + Basking Broodscale
- Infinite colorless mana
- Infinite creature tokens
- Infinite proliferate
- Infinite +1/+1 counters on a creature
Commander Spellbook ↗How it works
Before you start
You have a way to cause a creature to enter the battlefield under your control. Basking Broodscale has a +1/+1 counter on it.
Steps
Cause a creature to enter the battlefield under your control. When the creature enters the battlefield, Tainted Observer and Mana Echoes triggers. Resolve the Mana Echoes trigger, adding {C} for each creature that shares a creature type with the creature that entered the battlefield. Resolve the Tainted Observer trigger, causing you to pay {2} to put a +1/+1 counter on Basking Broodscale. Basking Broodscale triggers, creating a creature token. Repeat from step 2.
Tainted Observer + Mana Echoes + Herd Baloth
- Infinite +1/+1 counters on a creature
- Infinite colorless mana
- Infinite creature tokens
- Infinite proliferate
Commander Spellbook ↗How it works
Before you start
You have a way to cause a creature to enter the battlefield under your control. Herd Baloth has a +1/+1 counter on it.
Steps
Cause a creature to enter the battlefield under your control. When the creature enters the battlefield, Tainted Observer and Mana Echoes triggers. Resolve the Mana Echoes trigger, adding {C} for each creature that shares a creature type with the creature that entered the battlefield. Resolve the Tainted Observer trigger, causing you to pay {2} to put a +1/+1 counter on Herd Baloth. Herd Baloth triggers, creating a creature token. Repeat from step 2.
Tainted Observer + Mana Echoes + Scurry Oak
- Infinite +1/+1 counters on a creature
- Infinite colorless mana
- Infinite creature tokens
- Infinite proliferate
Commander Spellbook ↗How it works
Before you start
You have a way to cause a creature to enter the battlefield under your control. Scurry Oak has a +1/+1 counter on it.
Steps
Cause a creature to enter the battlefield under your control. When the creature enters the battlefield, Tainted Observer and Mana Echoes triggers. Resolve the Mana Echoes trigger, adding {C} for each creature that shares a creature type with the creature that entered the battlefield. Resolve the Tainted Observer trigger, causing you to pay {2} to put a +1/+1 counter on Scurry Oak. Scurry Oak triggers, creating a creature token. Repeat from step 2.
Tainted Observer + Mana Echoes + Saproling Burst
- Infinite colorless mana
- Infinite creature tokens
- Infinite proliferate
Commander Spellbook ↗How it works
Before you start
Saproling Burst has at least two fade counters on it.
Steps
Activate Saproling Burst by removing a fade counter from it, creating a */* Saproling creature token. When the Saproling enters the battlefield, Tainted Observer and Mana Echoes triggers. Resolve the Mana Echoes trigger, adding {C} for each Saproling you control. Resolve the Tainted Observer trigger, causing you to pay {2} to put a fade counter on Saproling Burst. Repeat.
Combo data from Commander Spellbook. Only combos of 2 or 3 named cards are listed.
Best commanders
Commanders whose abilities work with this card and share its colors, from what the cards do.
- Ant-Man, Colony CommanderTainted Observer proliferates and Ant-Man, Colony Commander puts +1/+1 counters on your creatures.
- Jared CarthalionTainted Observer proliferates and Jared Carthalion is a Planeswalker.
- Roalesk, Apex HybridTainted Observer proliferates and Roalesk, Apex Hybrid puts +1/+1 counters on your creatures.
- Berta, Wise ExtrapolatorTainted Observer proliferates, which Berta, Wise Extrapolator can use because it puts +1/+1 counters on your creatures.
- The Astonishing Ant-ManTainted Observer proliferates, which The Astonishing Ant-Man can use because it puts +1/+1 counters on your creatures.
- Elrond, Master of HealingTainted Observer proliferates and Elrond, Master of Healing puts +1/+1 counters on your creatures.
- Experiment KrajTainted Observer proliferates and Experiment Kraj puts +1/+1 counters on your creatures.
- Marcus, Mutant MayorTainted Observer proliferates, which Marcus, Mutant Mayor can use because it puts +1/+1 counters on your creatures.
- Zegana, Utopian SpeakerTainted Observer proliferates, which Zegana, Utopian Speaker can use because it puts +1/+1 counters on your creatures.
- Feroz, Ulgrotha's WardenTainted Observer proliferates and Feroz, Ulgrotha's Warden is a Planeswalker.