Sporoloth Ancient
Tainted Observer
Ashnod's Altar
Doubling Season

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You control a creature with at least three spore counters on it.

   Steps

How does this combo work?
1
Activate a creature you control by removing two spore counters from it, creating two 1/1 Saproling creature tokens.
2
The Saprolings enter the battlefield, triggering Tainted Observer twice.
3
Holding priority, activate Ashnod's Altar by sacrificing a Saproling, adding .
4
Resolve the first Tainted Observer trigger, causing you to pay 2 to put two spore counters on any creature you control.
5
Resolve the second Tainted Observer trigger, choosing not to pay.
6
Repeat.

   Results

What do I get from this combo?
Infinite colorless mana
Infinite creature tokens
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite proliferate
Infinite sacrifice triggers
Xavier Sal, Infested Captain
0.1%inclusion10 decks7.59K decks
Atraxa, Praetors' Voice
0.0%inclusion5 decks40.7K decks
Rubinia Soulsinger
0.1%inclusion1 decks985 decks
New Cards
Expansion Algorithm
50%inclusion1 decks2 decks
49%synergy
High Synergy Cards
Deathspore Thallid
100%inclusion15 decks15 decks
100%synergy
Thallid Germinator
94%inclusion15 decks16 decks
93%synergy
Sporesower Thallid
94%inclusion15 decks16 decks
93%synergy
Psychotrope Thallid
94%inclusion15 decks16 decks
93%synergy
Utopia Mycon
94%inclusion15 decks16 decks
93%synergy
Vitaspore Thallid
88%inclusion14 decks16 decks
87%synergy
Slimefoot, the Stowaway
87%inclusion13 decks15 decks
86%synergy
Thallid Shell-Dweller
81%inclusion13 decks16 decks
81%synergy
Thallid
81%inclusion13 decks16 decks
81%synergy
Thelon of Havenwood
80%inclusion12 decks15 decks
80%synergy
Top Cards
Savage Thallid
75%inclusion12 decks16 decks
75%synergy
Tekuthal, Inquiry Dominus
75%inclusion12 decks16 decks
73%synergy
Skullclamp
75%inclusion12 decks16 decks
64%synergy
Winding Constrictor
73%inclusion11 decks15 decks
70%synergy
Ezuri, Stalker of Spheres
69%inclusion11 decks16 decks
66%synergy
Evolution Sage
69%inclusion11 decks16 decks
62%synergy
Mycologist
67%inclusion4 decks6 decks
67%synergy
Pallid Mycoderm
67%inclusion4 decks6 decks
67%synergy
Lae'zel, Vlaakith's Champion
67%inclusion4 decks6 decks
64%synergy
Fungal Plots
63%inclusion10 decks16 decks
62%synergy
Game Changers
Cyclonic Rift
31%inclusion5 decks16 decks
10%synergy
Field of the Dead
19%inclusion3 decks16 decks
16%synergy
Creatures
Nemata, Primeval Warden
60%inclusion9 decks15 decks
58%synergy
Thallid Devourer
56%inclusion9 decks16 decks
56%synergy
Spore Flower
56%inclusion9 decks16 decks
56%synergy
Mycoloth
56%inclusion9 decks16 decks
55%synergy
Tendershoot Dryad
56%inclusion9 decks16 decks
54%synergy
Elvish Farmer
50%inclusion8 decks16 decks
50%synergy
Brightcap Badger
47%inclusion7 decks15 decks
46%synergy
Zulaport Cutthroat
47%inclusion7 decks15 decks
38%synergy
Pir, Imaginative Rascal
38%inclusion6 decks16 decks
37%synergy
Cankerbloom
38%inclusion6 decks16 decks
33%synergy
Mirkwood Bats
33%inclusion5 decks15 decks
25%synergy
Thorn Thallid
31%inclusion5 decks16 decks
31%synergy
Dreamtide Whale
31%inclusion5 decks16 decks
29%synergy
Adrix and Nev, Twincasters
31%inclusion5 decks16 decks
27%synergy
Roaming Throne
31%inclusion5 decks16 decks
25%synergy
Scheming Aspirant
27%inclusion4 decks15 decks
26%synergy
Pitiless Plunderer
27%inclusion4 decks15 decks
18%synergy
Blood Artist
27%inclusion4 decks15 decks
15%synergy
Danny Pink
25%inclusion4 decks16 decks
24%synergy
Thrummingbird
25%inclusion4 decks16 decks
21%synergy
Xavier Sal, Infested Captain
20%inclusion3 decks15 decks
19%synergy
Yawgmoth, Thran Physician
20%inclusion3 decks15 decks
17%synergy
Nemata, Grove Guardian
19%inclusion3 decks16 decks
18%synergy
Vorinclex, Monstrous Raider
19%inclusion3 decks16 decks
16%synergy
Kiora's Follower
19%inclusion3 decks16 decks
14%synergy
Instants
Assassin's Trophy
47%inclusion7 decks15 decks
15%synergy
Ripples of Potential
44%inclusion7 decks16 decks
41%synergy
Sprout Swarm
38%inclusion6 decks16 decks
37%synergy
Atomize
33%inclusion5 decks15 decks
29%synergy
Experimental Augury
31%inclusion5 decks16 decks
29%synergy
Serum Snare
25%inclusion4 decks16 decks
24%synergy
Heroic Intervention
25%inclusion4 decks16 decks
-5%synergy
Beast Within
25%inclusion4 decks16 decks
-8%synergy
Counterspell
25%inclusion4 decks16 decks
-17%synergy
Plumb the Forbidden
20%inclusion3 decks15 decks
17%synergy
Village Rites
20%inclusion3 decks15 decks
11%synergy
Fuel for the Cause
19%inclusion3 decks16 decks
18%synergy
Steady Progress
19%inclusion3 decks16 decks
18%synergy
Arcane Denial
19%inclusion3 decks16 decks
-1%synergy
Sorceries
Tezzeret's Gambit
44%inclusion7 decks16 decks
40%synergy
Farseek
44%inclusion7 decks16 decks
8%synergy
Unnatural Restoration
31%inclusion5 decks16 decks
29%synergy
Three Visits
31%inclusion5 decks16 decks
7%synergy
Nature's Lore
31%inclusion5 decks16 decks
0%synergy
Rampant Growth
31%inclusion5 decks16 decks
-1%synergy
Infectious Inquiry
20%inclusion3 decks15 decks
19%synergy
Saproling Symbiosis
19%inclusion3 decks16 decks
18%synergy
Cultivate
19%inclusion3 decks16 decks
-23%synergy
Utility Artifacts
Lightning Greaves
38%inclusion6 decks16 decks
13%synergy
Phyrexian Altar
31%inclusion5 decks16 decks
28%synergy
Swiftfoot Boots
25%inclusion4 decks16 decks
-2%synergy
Contagion Engine
19%inclusion3 decks16 decks
18%synergy
Contagion Clasp
19%inclusion3 decks16 decks
18%synergy
Thousand-Year Elixir
19%inclusion3 decks16 decks
17%synergy
The Ozolith
19%inclusion3 decks16 decks
15%synergy
Enchantments
Intruder Alarm
44%inclusion7 decks16 decks
42%synergy
Paradox Haze
38%inclusion6 decks16 decks
36%synergy
Inexorable Tide
38%inclusion6 decks16 decks
35%synergy
Growing Rites of Itlimoc
38%inclusion6 decks16 decks
32%synergy
Parallel Lives
38%inclusion6 decks16 decks
31%synergy
Fungal Bloom
31%inclusion5 decks16 decks
31%synergy
Primal Vigor
25%inclusion4 decks16 decks
22%synergy
Cryptolith Rite
25%inclusion4 decks16 decks
21%synergy
Bastion of Remembrance
20%inclusion3 decks15 decks
13%synergy
Evolutionary Leap
19%inclusion3 decks16 decks
18%synergy
Freed from the Real
19%inclusion3 decks16 decks
17%synergy
Planeswalkers
Vraska, Betrayal's Sting
27%inclusion4 decks15 decks
24%synergy
Tyvar, Jubilant Brawler
20%inclusion3 decks15 decks
17%synergy
Utility Lands
Karn's Bastion
56%inclusion9 decks16 decks
52%synergy
Nesting Grounds
38%inclusion6 decks16 decks
35%synergy
Hickory Woodlot
25%inclusion4 decks16 decks
25%synergy
Oran-Rief, the Vastwood
25%inclusion4 decks16 decks
21%synergy
Yavimaya, Cradle of Growth
25%inclusion4 decks16 decks
16%synergy
Boseiju, Who Endures
25%inclusion4 decks16 decks
6%synergy
Peat Bog
20%inclusion3 decks15 decks
20%synergy
Grim Backwoods
20%inclusion3 decks15 decks
16%synergy
Three Tree City
20%inclusion3 decks15 decks
15%synergy
Phyrexian Tower
20%inclusion3 decks15 decks
11%synergy
Saprazzan Skerry
19%inclusion3 decks16 decks
18%synergy
Urborg, Tomb of Yawgmoth
19%inclusion3 decks16 decks
10%synergy
Otawara, Soaring City
19%inclusion3 decks16 decks
2%synergy
Mana Artifacts
Sol Ring
81%inclusion13 decks16 decks
-2%synergy
Arcane Signet
44%inclusion7 decks16 decks
-28%synergy
Staff of Compleation
25%inclusion4 decks16 decks
24%synergy
Everflowing Chalice
25%inclusion4 decks16 decks
21%synergy
Talisman of Resilience
20%inclusion3 decks15 decks
8%synergy
Replicating Ring
19%inclusion3 decks16 decks
18%synergy
Astral Cornucopia
19%inclusion3 decks16 decks
18%synergy
Talisman of Curiosity
19%inclusion3 decks16 decks
6%synergy
Lands
Command Tower
94%inclusion15 decks16 decks
20%synergy
Temple Garden
83%inclusion5 decks6 decks
44%synergy
Exotic Orchard
75%inclusion12 decks16 decks
38%synergy
Spara's Headquarters
67%inclusion4 decks6 decks
40%synergy
Indatha Triome
60%inclusion3 decks5 decks
33%synergy
Woodland Cemetery
53%inclusion8 decks15 decks
21%synergy
Glacial Fortress
50%inclusion3 decks6 decks
17%synergy
Hallowed Fountain
50%inclusion3 decks6 decks
10%synergy
Breeding Pool
50%inclusion8 decks16 decks
8%synergy
Zagoth Triome
47%inclusion7 decks15 decks
20%synergy
Overgrown Tomb
47%inclusion7 decks15 decks
5%synergy
Hinterland Harbor
44%inclusion7 decks16 decks
10%synergy
Llanowar Wastes
40%inclusion6 decks15 decks
13%synergy
Fabled Passage
38%inclusion6 decks16 decks
28%synergy
Evolving Wilds
38%inclusion6 decks16 decks
17%synergy
Path of Ancestry
38%inclusion6 decks16 decks
15%synergy
Rejuvenating Springs
38%inclusion6 decks16 decks
12%synergy
Yavimaya Coast
38%inclusion6 decks16 decks
10%synergy
Darkbore Pathway
33%inclusion5 decks15 decks
27%synergy
Deathcap Glade
33%inclusion5 decks15 decks
20%synergy
Undergrowth Stadium
33%inclusion5 decks15 decks
10%synergy
Watery Grave
33%inclusion5 decks15 decks
-8%synergy
Terramorphic Expanse
31%inclusion5 decks16 decks
16%synergy
Foreboding Landscape
29%inclusion4 decks14 decks
20%synergy
Morphic Pool
27%inclusion4 decks15 decks
3%synergy
Drowned Catacomb
27%inclusion4 decks15 decks
-2%synergy
Mana Confluence
25%inclusion4 decks16 decks
18%synergy
Verdant Catacombs
25%inclusion4 decks16 decks
14%synergy
Dreamroot Cascade
25%inclusion4 decks16 decks
3%synergy
Vivid Marsh
20%inclusion3 decks15 decks
19%synergy
Clearwater Pathway
20%inclusion3 decks15 decks
13%synergy
Underground Mortuary
20%inclusion3 decks15 decks
7%synergy
Twilight Mire
20%inclusion3 decks15 decks
6%synergy
Shipwreck Marsh
20%inclusion3 decks15 decks
2%synergy
Underground River
20%inclusion3 decks15 decks
-3%synergy
Sunken Hollow
20%inclusion3 decks15 decks
-13%synergy
Vivid Creek
19%inclusion3 decks16 decks
18%synergy
Vivid Grove
19%inclusion3 decks16 decks
18%synergy
Reflecting Pool
19%inclusion3 decks16 decks
14%synergy
Barkchannel Pathway
19%inclusion3 decks16 decks
12%synergy
City of Brass
19%inclusion3 decks16 decks
11%synergy
Misty Rainforest
19%inclusion3 decks16 decks
7%synergy
Flooded Grove
19%inclusion3 decks16 decks
3%synergy
Temple of Mystery
19%inclusion3 decks16 decks
2%synergy