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
0.2%inclusion13 decks7.73K decks
Atraxa, Praetors' Voice
0.0%inclusion6 decks39K decks
Rubinia Soulsinger
0.1%inclusion1 decks897 decks
Pir, Imaginative Rascal // Toothy, Imaginary Friend
0.0%inclusion1 decks2.94K decks
High Synergy Cards
Deathspore Thallid
100%inclusion19 decks19 decks
100%synergy
Slimefoot, the Stowaway
95%inclusion18 decks19 decks
93%synergy
Sporesower Thallid
90%inclusion19 decks21 decks
90%synergy
Psychotrope Thallid
90%inclusion19 decks21 decks
90%synergy
Utopia Mycon
90%inclusion19 decks21 decks
90%synergy
Thelon of Havenwood
89%inclusion17 decks19 decks
89%synergy
Vitaspore Thallid
86%inclusion18 decks21 decks
85%synergy
Thallid Germinator
81%inclusion17 decks21 decks
81%synergy
Thallid Shell-Dweller
81%inclusion17 decks21 decks
81%synergy
Thallid
81%inclusion17 decks21 decks
81%synergy
Top Cards
Winding Constrictor
79%inclusion15 decks19 decks
75%synergy
Mycologist
71%inclusion5 decks7 decks
71%synergy
Mycoloth
71%inclusion15 decks21 decks
70%synergy
Tekuthal, Inquiry Dominus
71%inclusion15 decks21 decks
69%synergy
Lae'zel, Vlaakith's Champion
71%inclusion5 decks7 decks
69%synergy
Evolution Sage
71%inclusion15 decks21 decks
65%synergy
Skullclamp
71%inclusion15 decks21 decks
60%synergy
Nemata, Primeval Warden
68%inclusion13 decks19 decks
67%synergy
Savage Thallid
67%inclusion14 decks21 decks
66%synergy
Ghave, Guru of Spores
67%inclusion4 decks6 decks
66%synergy
Game Changers
Cyclonic Rift
24%inclusion5 decks21 decks
1%synergy
Field of the Dead
14%inclusion3 decks21 decks
11%synergy
Creatures
Ezuri, Stalker of Spheres
62%inclusion13 decks21 decks
59%synergy
Pallid Mycoderm
57%inclusion4 decks7 decks
57%synergy
Elvish Farmer
57%inclusion12 decks21 decks
57%synergy
Spore Flower
57%inclusion12 decks21 decks
57%synergy
Tendershoot Dryad
57%inclusion12 decks21 decks
55%synergy
Thallid Devourer
52%inclusion11 decks21 decks
52%synergy
Pir, Imaginative Rascal
48%inclusion10 decks21 decks
47%synergy
Zulaport Cutthroat
42%inclusion8 decks19 decks
33%synergy
Brightcap Badger
38%inclusion5 decks13 decks
37%synergy
Cankerbloom
38%inclusion8 decks21 decks
34%synergy
Dreamtide Whale
36%inclusion5 decks14 decks
33%synergy
Roaming Throne
33%inclusion7 decks21 decks
27%synergy
Yawgmoth, Thran Physician
32%inclusion6 decks19 decks
28%synergy
Blood Artist
32%inclusion6 decks19 decks
20%synergy
Thorn Thallid
29%inclusion6 decks21 decks
29%synergy
Nemata, Grove Guardian
29%inclusion6 decks21 decks
28%synergy
Danny Pink
29%inclusion6 decks21 decks
27%synergy
Vorinclex, Monstrous Raider
29%inclusion6 decks21 decks
26%synergy
Scheming Aspirant
26%inclusion5 decks19 decks
26%synergy
The Mycotyrant
26%inclusion5 decks19 decks
25%synergy
Pitiless Plunderer
26%inclusion5 decks19 decks
18%synergy
Mirkwood Bats
26%inclusion5 decks19 decks
17%synergy
Sporecrown Thallid
24%inclusion5 decks21 decks
23%synergy
Thrummingbird
24%inclusion5 decks21 decks
20%synergy
Xavier Sal, Infested Captain
21%inclusion4 decks19 decks
20%synergy
Plaguemaw Beast
19%inclusion4 decks21 decks
19%synergy
Verdeloth the Ancient
19%inclusion4 decks21 decks
19%synergy
Undercellar Myconid
19%inclusion4 decks21 decks
18%synergy
Sporemound
19%inclusion4 decks21 decks
18%synergy
Adrix and Nev, Twincasters
19%inclusion4 decks21 decks
14%synergy
Thallid Soothsayer
16%inclusion3 decks19 decks
16%synergy
Verdant Force
14%inclusion3 decks21 decks
14%synergy
Kiora's Follower
14%inclusion3 decks21 decks
9%synergy
Instants
Ripples of Potential
43%inclusion9 decks21 decks
40%synergy
Sprout Swarm
38%inclusion8 decks21 decks
38%synergy
Assassin's Trophy
37%inclusion7 decks19 decks
7%synergy
Experimental Augury
33%inclusion7 decks21 decks
31%synergy
Serum Snare
29%inclusion6 decks21 decks
28%synergy
Beast Within
29%inclusion6 decks21 decks
-6%synergy
Counterspell
29%inclusion6 decks21 decks
-13%synergy
Village Rites
26%inclusion5 decks19 decks
17%synergy
Atomize
25%inclusion4 decks16 decks
21%synergy
Steady Progress
24%inclusion5 decks21 decks
23%synergy
Fuel for the Cause
19%inclusion4 decks21 decks
18%synergy
Arcane Denial
19%inclusion4 decks21 decks
-1%synergy
Heroic Intervention
19%inclusion4 decks21 decks
-11%synergy
Reject Imperfection
14%inclusion3 decks21 decks
14%synergy
Cackling Counterpart
14%inclusion3 decks21 decks
13%synergy
Simic Charm
14%inclusion3 decks21 decks
11%synergy
Growth Spiral
14%inclusion3 decks21 decks
-6%synergy
Sorceries
Farseek
52%inclusion11 decks21 decks
17%synergy
Tezzeret's Gambit
48%inclusion10 decks21 decks
44%synergy
Unnatural Restoration
43%inclusion9 decks21 decks
40%synergy
Three Visits
33%inclusion7 decks21 decks
9%synergy
Nature's Lore
29%inclusion6 decks21 decks
-3%synergy
Saproling Symbiosis
24%inclusion5 decks21 decks
23%synergy
Rampant Growth
24%inclusion5 decks21 decks
-10%synergy
Cultivate
24%inclusion5 decks21 decks
-19%synergy
Contentious Plan
19%inclusion4 decks21 decks
18%synergy
Infectious Inquiry
16%inclusion3 decks19 decks
14%synergy
Overwhelming Stampede
14%inclusion3 decks21 decks
9%synergy
Bala Ged Recovery
14%inclusion3 decks21 decks
6%synergy
Utility Artifacts
Phyrexian Altar
29%inclusion6 decks21 decks
25%synergy
The Ozolith
24%inclusion5 decks21 decks
20%synergy
Lightning Greaves
24%inclusion5 decks21 decks
-1%synergy
Contagion Engine
19%inclusion4 decks21 decks
18%synergy
Swiftfoot Boots
19%inclusion4 decks21 decks
-8%synergy
Magewright's Stone
14%inclusion3 decks21 decks
14%synergy
Contagion Clasp
14%inclusion3 decks21 decks
13%synergy
Thousand-Year Elixir
14%inclusion3 decks21 decks
13%synergy
Enchantments
Fungal Plots
57%inclusion12 decks21 decks
57%synergy
Intruder Alarm
43%inclusion9 decks21 decks
41%synergy
Fungal Bloom
38%inclusion8 decks21 decks
38%synergy
Paradox Haze
38%inclusion8 decks21 decks
37%synergy
Inexorable Tide
38%inclusion8 decks21 decks
35%synergy
Primal Vigor
24%inclusion5 decks21 decks
21%synergy
Innkeeper's Talent
23%inclusion3 decks13 decks
19%synergy
Moldervine Reclamation
21%inclusion4 decks19 decks
14%synergy
Growing Rites of Itlimoc
19%inclusion4 decks21 decks
14%synergy
Parallel Lives
19%inclusion4 decks21 decks
13%synergy
Necrogenesis
16%inclusion3 decks19 decks
15%synergy
Golgari Germination
16%inclusion3 decks19 decks
15%synergy
Bastion of Remembrance
16%inclusion3 decks19 decks
9%synergy
Sporogenesis
14%inclusion3 decks21 decks
14%synergy
Life and Limb
14%inclusion3 decks21 decks
14%synergy
Verdant Embrace
14%inclusion3 decks21 decks
14%synergy
Freed from the Real
14%inclusion3 decks21 decks
12%synergy
Cryptolith Rite
14%inclusion3 decks21 decks
11%synergy
Beastmaster Ascension
14%inclusion3 decks21 decks
9%synergy
Planeswalkers
Vraska, Betrayal's Sting
21%inclusion4 decks19 decks
19%synergy
Utility Lands
Karn's Bastion
43%inclusion9 decks21 decks
38%synergy
Yavimaya, Cradle of Growth
33%inclusion7 decks21 decks
25%synergy
Nesting Grounds
24%inclusion5 decks21 decks
22%synergy
Oran-Rief, the Vastwood
24%inclusion5 decks21 decks
20%synergy
Boseiju, Who Endures
24%inclusion5 decks21 decks
5%synergy
Three Tree City
23%inclusion3 decks13 decks
18%synergy
Hickory Woodlot
19%inclusion4 decks21 decks
19%synergy
Urborg, Tomb of Yawgmoth
19%inclusion4 decks21 decks
10%synergy
Otawara, Soaring City
19%inclusion4 decks21 decks
3%synergy
Reliquary Tower
19%inclusion4 decks21 decks
-11%synergy
Peat Bog
16%inclusion3 decks19 decks
15%synergy
Grim Backwoods
16%inclusion3 decks19 decks
12%synergy
Takenuma, Abandoned Mire
16%inclusion3 decks19 decks
7%synergy
Saprazzan Skerry
14%inclusion3 decks21 decks
14%synergy
Minamo, School at Water's Edge
14%inclusion3 decks21 decks
10%synergy
Mana Artifacts
Sol Ring
81%inclusion17 decks21 decks
-3%synergy
Arcane Signet
48%inclusion10 decks21 decks
-25%synergy
Everflowing Chalice
29%inclusion6 decks21 decks
24%synergy
Talisman of Resilience
21%inclusion4 decks19 decks
8%synergy
Astral Cornucopia
19%inclusion4 decks21 decks
18%synergy
Talisman of Curiosity
19%inclusion4 decks21 decks
6%synergy
Staff of Compleation
14%inclusion3 decks21 decks
13%synergy
Replicating Ring
14%inclusion3 decks21 decks
13%synergy
Lands
Command Tower
95%inclusion20 decks21 decks
21%synergy
Temple Garden
86%inclusion6 decks7 decks
47%synergy
Spara's Headquarters
71%inclusion5 decks7 decks
43%synergy
Exotic Orchard
71%inclusion15 decks21 decks
35%synergy
Indatha Triome
67%inclusion4 decks6 decks
39%synergy
Breeding Pool
62%inclusion13 decks21 decks
21%synergy
Zagoth Triome
58%inclusion11 decks19 decks
30%synergy
Overgrown Tomb
58%inclusion11 decks19 decks
18%synergy
Woodland Cemetery
53%inclusion10 decks19 decks
21%synergy
Godless Shrine
50%inclusion3 decks6 decks
9%synergy
Bountiful Promenade
43%inclusion3 decks7 decks
21%synergy
Rejuvenating Springs
43%inclusion9 decks21 decks
16%synergy
Glacial Fortress
43%inclusion3 decks7 decks
10%synergy
Hinterland Harbor
43%inclusion9 decks21 decks
10%synergy
Hallowed Fountain
43%inclusion3 decks7 decks
3%synergy
Llanowar Wastes
42%inclusion8 decks19 decks
15%synergy
Fabled Passage
38%inclusion8 decks21 decks
29%synergy
Dreamroot Cascade
38%inclusion8 decks21 decks
17%synergy
Yavimaya Coast
38%inclusion8 decks21 decks
11%synergy
Darkbore Pathway
37%inclusion7 decks19 decks
30%synergy
Deathcap Glade
37%inclusion7 decks19 decks
24%synergy
Undergrowth Stadium
37%inclusion7 decks19 decks
13%synergy
Watery Grave
37%inclusion7 decks19 decks
-4%synergy
Foreboding Landscape
36%inclusion4 decks11 decks
27%synergy
Evolving Wilds
29%inclusion6 decks21 decks
8%synergy
Path of Ancestry
29%inclusion6 decks21 decks
7%synergy
Morphic Pool
26%inclusion5 decks19 decks
2%synergy
Verdant Catacombs
24%inclusion5 decks21 decks
13%synergy
Terramorphic Expanse
24%inclusion5 decks21 decks
9%synergy
Clearwater Pathway
21%inclusion4 decks19 decks
13%synergy
Underground Mortuary
21%inclusion4 decks19 decks
8%synergy
Drowned Catacomb
21%inclusion4 decks19 decks
-8%synergy
Barkchannel Pathway
19%inclusion4 decks21 decks
12%synergy
Temple of Mystery
19%inclusion4 decks21 decks
2%synergy
Overflowing Basin
17%inclusion3 decks18 decks
9%synergy
Vivid Marsh
16%inclusion3 decks19 decks
15%synergy
Golgari Rot Farm
16%inclusion3 decks19 decks
-1%synergy
Shipwreck Marsh
16%inclusion3 decks19 decks
-3%synergy
Underground River
16%inclusion3 decks19 decks
-7%synergy
Opulent Palace
16%inclusion3 decks19 decks
-12%synergy
Sunken Hollow
16%inclusion3 decks19 decks
-18%synergy
Gemstone Mine
14%inclusion3 decks21 decks
14%synergy
Vivid Creek
14%inclusion3 decks21 decks
13%synergy
Vivid Grove
14%inclusion3 decks21 decks
13%synergy
Reflecting Pool
14%inclusion3 decks21 decks
9%synergy
Mana Confluence
14%inclusion3 decks21 decks
7%synergy
City of Brass
14%inclusion3 decks21 decks
7%synergy
Marsh Flats
14%inclusion3 decks21 decks
4%synergy
Hedge Maze
14%inclusion3 decks21 decks
3%synergy
Misty Rainforest
14%inclusion3 decks21 decks
3%synergy