Tainted Observer
Ashnod's Altar
Saproling Burst

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Saproling Burst has at least two fade counters on it.

   Steps

How does this combo work?
1
Activate Saproling Burst by removing a fade counter from it, creating a */* Saproling creature token.
2
When the Saproling enters the battlefield, Tainted Observer triggers.
3
Holding priority, activate Ashnod's Altar by sacrificing the Saproling, adding .
4
Resolve the Tainted Observer trigger, causing you to pay 2 to put a fade counter on Saproling Burst.
5
Repeat.

   Results

What do I get from this combo?
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite proliferate
Infinite sacrifice triggers
Xavier Sal, Infested Captain
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Atraxa, Praetors' Voice
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Planeswalkers
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Utility Lands
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Mana Artifacts
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Astral Cornucopia
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39%synergy
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39%synergy
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20%synergy
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19%synergy
Commander's Sphere
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Lands
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74%synergy
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31%synergy
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25%synergy
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19%synergy
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19%synergy
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13%synergy
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13%synergy
Zagoth Triome
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12%synergy
Woodland Cemetery
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9%synergy
Sunken Hollow
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6%synergy
Breeding Pool
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Tendo Ice Bridge
20%inclusion1 decks5 decks
20%synergy
Vivid Creek
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19%synergy
Soured Springs
20%inclusion1 decks5 decks
19%synergy
Unclaimed Territory
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16%synergy
Nurturing Peatland
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15%synergy
Reflecting Pool
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15%synergy
Tangled Islet
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14%synergy
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13%synergy
Darkbore Pathway
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12%synergy
Viridescent Bog
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12%synergy
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11%synergy
Marsh Flats
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9%synergy
Verdant Catacombs
20%inclusion1 decks5 decks
9%synergy
Windswept Heath
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9%synergy
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9%synergy
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9%synergy
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9%synergy