Sporoloth Ancient
Tainted Observer
Ashnod's Altar
Tekuthal, Inquiry Dominus

   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 a 1/1 Saproling creature token.
2
The Saproling enters the battlefield, triggering Tainted Observer.
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 two spore counters on any creature you control.
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
0.2%inclusion15 decks7.52K decks
Atraxa, Praetors' Voice
0.0%inclusion7 decks40.1K decks
High Synergy Cards
Sporesower Thallid
100%inclusion22 decks22 decks
100%synergy
Slimefoot, the Stowaway
95%inclusion21 decks22 decks
94%synergy
Deathspore Thallid
91%inclusion20 decks22 decks
91%synergy
Psychotrope Thallid
91%inclusion20 decks22 decks
91%synergy
Thallid Germinator
86%inclusion19 decks22 decks
86%synergy
Utopia Mycon
86%inclusion19 decks22 decks
86%synergy
Pallid Mycoderm
86%inclusion6 decks7 decks
86%synergy
Lae'zel, Vlaakith's Champion
86%inclusion6 decks7 decks
83%synergy
Thallid
82%inclusion18 decks22 decks
81%synergy
Ezuri, Stalker of Spheres
82%inclusion18 decks22 decks
79%synergy
Top Cards
Savage Thallid
77%inclusion17 decks22 decks
77%synergy
Vitaspore Thallid
77%inclusion17 decks22 decks
77%synergy
Thallid Devourer
73%inclusion16 decks22 decks
73%synergy
Thelon of Havenwood
73%inclusion16 decks22 decks
72%synergy
Thallid Shell-Dweller
73%inclusion16 decks22 decks
72%synergy
Mycoloth
73%inclusion16 decks22 decks
71%synergy
Nemata, Primeval Warden
73%inclusion16 decks22 decks
71%synergy
Aura Mutation
71%inclusion5 decks7 decks
68%synergy
Elvish Farmer
68%inclusion15 decks22 decks
68%synergy
Spore Flower
68%inclusion15 decks22 decks
68%synergy
Game Changers
Cyclonic Rift
23%inclusion5 decks22 decks
1%synergy
Creatures
Tendershoot Dryad
68%inclusion15 decks22 decks
66%synergy
Winding Constrictor
68%inclusion15 decks22 decks
65%synergy
Brightcap Badger
65%inclusion13 decks20 decks
64%synergy
Mycologist
57%inclusion4 decks7 decks
57%synergy
Ghave, Guru of Spores
57%inclusion4 decks7 decks
57%synergy
Evolution Sage
55%inclusion12 decks22 decks
48%synergy
Ojer Taq, Deepest Foundation
43%inclusion3 decks7 decks
39%synergy
Sporecrown Thallid
41%inclusion9 decks22 decks
40%synergy
Adrix and Nev, Twincasters
41%inclusion9 decks22 decks
36%synergy
Mirkwood Bats
41%inclusion9 decks22 decks
32%synergy
Dreamtide Whale
38%inclusion8 decks21 decks
35%synergy
Cankerbloom
36%inclusion8 decks22 decks
32%synergy
Zulaport Cutthroat
36%inclusion8 decks22 decks
28%synergy
Shroofus Sproutsire
35%inclusion6 decks17 decks
35%synergy
Pir, Imaginative Rascal
32%inclusion7 decks22 decks
31%synergy
The Mycotyrant
32%inclusion7 decks22 decks
31%synergy
Thrummingbird
32%inclusion7 decks22 decks
28%synergy
Nemata, Grove Guardian
27%inclusion6 decks22 decks
27%synergy
Xavier Sal, Infested Captain
27%inclusion6 decks22 decks
27%synergy
Blood Artist
27%inclusion6 decks22 decks
16%synergy
Thorn Thallid
23%inclusion5 decks22 decks
23%synergy
Verdeloth the Ancient
23%inclusion5 decks22 decks
22%synergy
Pitiless Plunderer
23%inclusion5 decks22 decks
14%synergy
Mindbender Spores
18%inclusion4 decks22 decks
18%synergy
Plaguemaw Beast
18%inclusion4 decks22 decks
18%synergy
Scheming Aspirant
18%inclusion4 decks22 decks
18%synergy
Undercellar Myconid
18%inclusion4 decks22 decks
18%synergy
Danny Pink
18%inclusion4 decks22 decks
17%synergy
Deepglow Skate
18%inclusion4 decks22 decks
16%synergy
Flux Channeler
18%inclusion4 decks22 decks
16%synergy
Master Biomancer
18%inclusion4 decks22 decks
16%synergy
Yawgmoth, Thran Physician
18%inclusion4 decks22 decks
15%synergy
Corpsejack Menace
18%inclusion4 decks22 decks
13%synergy
Roaming Throne
18%inclusion4 decks22 decks
12%synergy
Thelonite Hermit
14%inclusion3 decks22 decks
13%synergy
Vorinclex, Monstrous Raider
14%inclusion3 decks22 decks
11%synergy
Mazirek, Kraul Death Priest
14%inclusion3 decks22 decks
10%synergy
Kiora's Follower
14%inclusion3 decks22 decks
9%synergy
Birds of Paradise
14%inclusion3 decks22 decks
-14%synergy
Instants
Ripples of Potential
45%inclusion10 decks22 decks
43%synergy
Sprout Swarm
41%inclusion9 decks22 decks
40%synergy
Mutational Advantage
41%inclusion9 decks22 decks
37%synergy
Assassin's Trophy
41%inclusion9 decks22 decks
10%synergy
Experimental Augury
36%inclusion8 decks22 decks
34%synergy
Atomize
36%inclusion8 decks22 decks
32%synergy
Serum Snare
23%inclusion5 decks22 decks
22%synergy
Arcane Denial
23%inclusion5 decks22 decks
3%synergy
Beast Within
23%inclusion5 decks22 decks
-11%synergy
Fuel for the Cause
18%inclusion4 decks22 decks
18%synergy
Fungal Rebirth
18%inclusion4 decks22 decks
18%synergy
Heroic Intervention
18%inclusion4 decks22 decks
-12%synergy
Counterspell
18%inclusion4 decks22 decks
-24%synergy
Steady Progress
14%inclusion3 decks22 decks
13%synergy
Reject Imperfection
14%inclusion3 decks22 decks
13%synergy
Plumb the Forbidden
14%inclusion3 decks22 decks
11%synergy
Golgari Charm
14%inclusion3 decks22 decks
9%synergy
Second Harvest
14%inclusion3 decks22 decks
9%synergy
Village Rites
14%inclusion3 decks22 decks
4%synergy
Abrupt Decay
14%inclusion3 decks22 decks
4%synergy
Sorceries
Tezzeret's Gambit
55%inclusion12 decks22 decks
51%synergy
Damning Verdict
43%inclusion3 decks7 decks
40%synergy
Farseek
36%inclusion8 decks22 decks
0%synergy
Saproling Symbiosis
27%inclusion6 decks22 decks
27%synergy
Thirsting Roots
27%inclusion6 decks22 decks
26%synergy
Unnatural Restoration
27%inclusion6 decks22 decks
25%synergy
Cultivate
27%inclusion6 decks22 decks
-15%synergy
Contentious Plan
23%inclusion5 decks22 decks
21%synergy
Rampant Growth
23%inclusion5 decks22 decks
-10%synergy
Drown in Ichor
18%inclusion4 decks22 decks
17%synergy
Three Visits
18%inclusion4 decks22 decks
-6%synergy
Aether Mutation
14%inclusion3 decks22 decks
14%synergy
Infectious Inquiry
14%inclusion3 decks22 decks
12%synergy
Distant Melody
14%inclusion3 decks22 decks
9%synergy
Nature's Lore
14%inclusion3 decks22 decks
-18%synergy
Utility Artifacts
Skullclamp
59%inclusion13 decks22 decks
48%synergy
Lightning Greaves
32%inclusion7 decks22 decks
7%synergy
Swiftfoot Boots
32%inclusion7 decks22 decks
5%synergy
Contagion Engine
23%inclusion5 decks22 decks
22%synergy
Eldrazi Monument
18%inclusion4 decks22 decks
17%synergy
Phyrexian Altar
18%inclusion4 decks22 decks
15%synergy
Contagion Clasp
14%inclusion3 decks22 decks
12%synergy
Thousand-Year Elixir
14%inclusion3 decks22 decks
12%synergy
The Ozolith
14%inclusion3 decks22 decks
10%synergy
Enchantments
Doubling Season
59%inclusion13 decks22 decks
49%synergy
Inexorable Tide
55%inclusion12 decks22 decks
52%synergy
Fungal Plots
50%inclusion11 decks22 decks
49%synergy
Cathars' Crusade
43%inclusion3 decks7 decks
38%synergy
Paradox Haze
36%inclusion8 decks22 decks
35%synergy
Growing Rites of Itlimoc
32%inclusion7 decks22 decks
27%synergy
Parallel Lives
32%inclusion7 decks22 decks
25%synergy
Intruder Alarm
27%inclusion6 decks22 decks
25%synergy
Innkeeper's Talent
25%inclusion5 decks20 decks
21%synergy
Fungal Bloom
23%inclusion5 decks22 decks
23%synergy
Insidious Roots
18%inclusion4 decks22 decks
13%synergy
Bastion of Remembrance
18%inclusion4 decks22 decks
12%synergy
Saproling Burst
14%inclusion3 decks22 decks
14%synergy
Sporogenesis
14%inclusion3 decks22 decks
14%synergy
Primal Vigor
14%inclusion3 decks22 decks
11%synergy
Dictate of Erebos
14%inclusion3 decks22 decks
11%synergy
Cryptolith Rite
14%inclusion3 decks22 decks
10%synergy
Planeswalkers
Elspeth, Storm Slayer
50%inclusion3 decks6 decks
45%synergy
Vraska, Betrayal's Sting
27%inclusion6 decks22 decks
25%synergy
Tyvar, Jubilant Brawler
14%inclusion3 decks22 decks
10%synergy
Utility Lands
Karn's Bastion
59%inclusion13 decks22 decks
54%synergy
Nesting Grounds
36%inclusion8 decks22 decks
34%synergy
Hickory Woodlot
27%inclusion6 decks22 decks
27%synergy
Peat Bog
23%inclusion5 decks22 decks
22%synergy
Yavimaya, Cradle of Growth
23%inclusion5 decks22 decks
14%synergy
Oran-Rief, the Vastwood
18%inclusion4 decks22 decks
14%synergy
Boseiju, Who Endures
18%inclusion4 decks22 decks
-1%synergy
Reliquary Tower
18%inclusion4 decks22 decks
-12%synergy
Saprazzan Skerry
14%inclusion3 decks22 decks
13%synergy
Mortuary Mire
14%inclusion3 decks22 decks
9%synergy
Phyrexian Tower
14%inclusion3 decks22 decks
5%synergy
Mana Artifacts
Sol Ring
68%inclusion15 decks22 decks
-15%synergy
Arcane Signet
50%inclusion11 decks22 decks
-22%synergy
Astral Cornucopia
36%inclusion8 decks22 decks
35%synergy
Replicating Ring
36%inclusion8 decks22 decks
35%synergy
Everflowing Chalice
32%inclusion7 decks22 decks
28%synergy
Staff of Compleation
27%inclusion6 decks22 decks
26%synergy
Patriar's Seal
14%inclusion3 decks22 decks
12%synergy
Talisman of Curiosity
14%inclusion3 decks22 decks
1%synergy
Talisman of Resilience
14%inclusion3 decks22 decks
1%synergy
Lands
Command Tower
91%inclusion20 decks22 decks
17%synergy
Exotic Orchard
64%inclusion14 decks22 decks
27%synergy
Sandsteppe Citadel
57%inclusion4 decks7 decks
31%synergy
Seaside Citadel
57%inclusion4 decks7 decks
31%synergy
Arcane Sanctum
57%inclusion4 decks7 decks
30%synergy
Vivid Meadow
43%inclusion3 decks7 decks
42%synergy
Spara's Headquarters
43%inclusion3 decks7 decks
16%synergy
Indatha Triome
43%inclusion3 decks7 decks
16%synergy
Temple Garden
43%inclusion3 decks7 decks
3%synergy
Hallowed Fountain
43%inclusion3 decks7 decks
3%synergy
Godless Shrine
43%inclusion3 decks7 decks
1%synergy
Woodland Cemetery
41%inclusion9 decks22 decks
8%synergy
Terramorphic Expanse
36%inclusion8 decks22 decks
22%synergy
Evolving Wilds
36%inclusion8 decks22 decks
16%synergy
Path of Ancestry
32%inclusion7 decks22 decks
10%synergy
Rejuvenating Springs
32%inclusion7 decks22 decks
6%synergy
Llanowar Wastes
32%inclusion7 decks22 decks
5%synergy
Yavimaya Coast
32%inclusion7 decks22 decks
5%synergy
Zagoth Triome
32%inclusion7 decks22 decks
5%synergy
Opulent Palace
32%inclusion7 decks22 decks
4%synergy
Hinterland Harbor
32%inclusion7 decks22 decks
-2%synergy
Breeding Pool
32%inclusion7 decks22 decks
-10%synergy
Vivid Marsh
27%inclusion6 decks22 decks
27%synergy
Vivid Grove
27%inclusion6 decks22 decks
26%synergy
Fabled Passage
27%inclusion6 decks22 decks
18%synergy
Undergrowth Stadium
27%inclusion6 decks22 decks
4%synergy
Morphic Pool
27%inclusion6 decks22 decks
3%synergy
Watery Grave
27%inclusion6 decks22 decks
-14%synergy
Foreboding Landscape
24%inclusion5 decks21 decks
15%synergy
Vivid Creek
23%inclusion5 decks22 decks
22%synergy
Darkbore Pathway
23%inclusion5 decks22 decks
16%synergy
Deathcap Glade
23%inclusion5 decks22 decks
10%synergy
Dreamroot Cascade
23%inclusion5 decks22 decks
1%synergy
Drowned Catacomb
23%inclusion5 decks22 decks
-6%synergy
Overgrown Tomb
23%inclusion5 decks22 decks
-19%synergy
Reflecting Pool
18%inclusion4 decks22 decks
13%synergy
Mana Confluence
18%inclusion4 decks22 decks
11%synergy
Clearwater Pathway
18%inclusion4 decks22 decks
11%synergy
Verdant Catacombs
18%inclusion4 decks22 decks
7%synergy
Flooded Grove
18%inclusion4 decks22 decks
3%synergy
Shipwreck Marsh
18%inclusion4 decks22 decks
0%synergy
Underground River
18%inclusion4 decks22 decks
-4%synergy
Gemstone Mine
14%inclusion3 decks22 decks
13%synergy
Barkchannel Pathway
14%inclusion3 decks22 decks
7%synergy
Polluted Delta
14%inclusion3 decks22 decks
2%synergy
Underground Mortuary
14%inclusion3 decks22 decks
1%synergy
Twilight Mire
14%inclusion3 decks22 decks
0%synergy
Darkwater Catacombs
14%inclusion3 decks22 decks
-1%synergy
Simic Growth Chamber
14%inclusion3 decks22 decks
-3%synergy
Sunken Hollow
14%inclusion3 decks22 decks
-20%synergy