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
0.3%inclusion20 decks7.78K decks
Atraxa, Praetors' Voice
0.0%inclusion9 decks38.6K decks
Adrix and Nev, Twincasters
0.0%inclusion1 decks7.81K decks
High Synergy Cards
Sporesower Thallid
93%inclusion28 decks30 decks
93%synergy
Deathspore Thallid
93%inclusion27 decks29 decks
93%synergy
Slimefoot, the Stowaway
93%inclusion27 decks29 decks
92%synergy
Utopia Mycon
90%inclusion27 decks30 decks
89%synergy
Thallid
87%inclusion26 decks30 decks
86%synergy
Psychotrope Thallid
87%inclusion26 decks30 decks
86%synergy
Mycoloth
83%inclusion25 decks30 decks
82%synergy
Vitaspore Thallid
80%inclusion24 decks30 decks
80%synergy
Pallid Mycoderm
78%inclusion7 decks9 decks
78%synergy
Lae'zel, Vlaakith's Champion
78%inclusion7 decks9 decks
75%synergy
Top Cards
Ezuri, Stalker of Spheres
77%inclusion23 decks30 decks
74%synergy
Nemata, Primeval Warden
76%inclusion22 decks29 decks
74%synergy
Thallid Shell-Dweller
73%inclusion22 decks30 decks
73%synergy
Thelon of Havenwood
72%inclusion21 decks29 decks
72%synergy
Winding Constrictor
72%inclusion21 decks29 decks
69%synergy
Savage Thallid
70%inclusion21 decks30 decks
70%synergy
Thallid Germinator
70%inclusion21 decks30 decks
70%synergy
Tendershoot Dryad
70%inclusion21 decks30 decks
68%synergy
Mycologist
67%inclusion6 decks9 decks
67%synergy
Ghave, Guru of Spores
67%inclusion6 decks9 decks
66%synergy
Game Changers
Cyclonic Rift
17%inclusion5 decks30 decks
-7%synergy
Creatures
Brightcap Badger
61%inclusion11 decks18 decks
60%synergy
Elvish Farmer
60%inclusion18 decks30 decks
60%synergy
Thallid Devourer
60%inclusion18 decks30 decks
60%synergy
Spore Flower
60%inclusion18 decks30 decks
60%synergy
Evolution Sage
60%inclusion18 decks30 decks
54%synergy
Sporecrown Thallid
53%inclusion16 decks30 decks
53%synergy
Thrummingbird
50%inclusion15 decks30 decks
46%synergy
Shroofus Sproutsire
47%inclusion7 decks15 decks
46%synergy
Cankerbloom
43%inclusion13 decks30 decks
39%synergy
Dreamtide Whale
42%inclusion8 decks19 decks
39%synergy
The Mycotyrant
41%inclusion12 decks29 decks
40%synergy
Mirkwood Bats
38%inclusion11 decks29 decks
29%synergy
Zulaport Cutthroat
34%inclusion10 decks29 decks
26%synergy
Nemata, Grove Guardian
33%inclusion10 decks30 decks
33%synergy
Pir, Imaginative Rascal
33%inclusion10 decks30 decks
33%synergy
Ojer Taq, Deepest Foundation
33%inclusion3 decks9 decks
29%synergy
Mondrak, Glory Dominus
33%inclusion3 decks9 decks
27%synergy
Elas il-Kor, Sadistic Pilgrim
33%inclusion3 decks9 decks
23%synergy
Yawgmoth, Thran Physician
31%inclusion9 decks29 decks
28%synergy
Undercellar Myconid
30%inclusion9 decks30 decks
29%synergy
Adrix and Nev, Twincasters
30%inclusion9 decks30 decks
25%synergy
Xavier Sal, Infested Captain
28%inclusion8 decks29 decks
27%synergy
Blood Artist
28%inclusion8 decks29 decks
16%synergy
Corpsejack Menace
24%inclusion7 decks29 decks
19%synergy
Pitiless Plunderer
24%inclusion7 decks29 decks
16%synergy
Verdeloth the Ancient
23%inclusion7 decks30 decks
23%synergy
Birds of Paradise
23%inclusion7 decks30 decks
-4%synergy
Scheming Aspirant
21%inclusion6 decks29 decks
20%synergy
Thorn Thallid
20%inclusion6 decks30 decks
20%synergy
Plaguemaw Beast
20%inclusion6 decks30 decks
20%synergy
Danny Pink
20%inclusion6 decks30 decks
19%synergy
Deepglow Skate
20%inclusion6 decks30 decks
18%synergy
Vorinclex, Monstrous Raider
20%inclusion6 decks30 decks
17%synergy
Kiora's Follower
20%inclusion6 decks30 decks
15%synergy
Roaming Throne
20%inclusion6 decks30 decks
13%synergy
Mindbender Spores
17%inclusion5 decks30 decks
17%synergy
Sporemound
17%inclusion5 decks30 decks
15%synergy
Flux Channeler
17%inclusion5 decks30 decks
14%synergy
Thallid Soothsayer
14%inclusion4 decks29 decks
14%synergy
Venser, Corpse Puppet
14%inclusion4 decks29 decks
13%synergy
Mazirek, Kraul Death Priest
14%inclusion4 decks29 decks
10%synergy
Agent Frank Horrigan
14%inclusion3 decks22 decks
11%synergy
Thelonite Hermit
13%inclusion4 decks30 decks
13%synergy
Bloated Contaminator
13%inclusion4 decks30 decks
12%synergy
Master Biomancer
13%inclusion4 decks30 decks
11%synergy
Sakashima the Impostor
10%inclusion3 decks30 decks
8%synergy
Vorel of the Hull Clade
10%inclusion3 decks30 decks
8%synergy
Fathom Mage
10%inclusion3 decks30 decks
6%synergy
Instants
Aura Mutation
67%inclusion6 decks9 decks
64%synergy
Mutational Advantage
48%inclusion11 decks23 decks
44%synergy
Atomize
41%inclusion9 decks22 decks
37%synergy
Sprout Swarm
33%inclusion10 decks30 decks
33%synergy
Ripples of Potential
33%inclusion10 decks30 decks
31%synergy
Swords to Plowshares
33%inclusion3 decks9 decks
-28%synergy
Assassin's Trophy
31%inclusion9 decks29 decks
1%synergy
Experimental Augury
30%inclusion9 decks30 decks
28%synergy
Beast Within
30%inclusion9 decks30 decks
-5%synergy
Fuel for the Cause
27%inclusion8 decks30 decks
26%synergy
Counterspell
27%inclusion8 decks30 decks
-15%synergy
Fungal Rebirth
20%inclusion6 decks30 decks
19%synergy
Arcane Denial
20%inclusion6 decks30 decks
0%synergy
Heroic Intervention
20%inclusion6 decks30 decks
-10%synergy
Village Rites
17%inclusion5 decks29 decks
8%synergy
Reject Imperfection
17%inclusion5 decks30 decks
16%synergy
Serum Snare
17%inclusion5 decks30 decks
16%synergy
Growth Spiral
17%inclusion5 decks30 decks
-4%synergy
Deadly Dispute
14%inclusion4 decks29 decks
2%synergy
Steady Progress
13%inclusion4 decks30 decks
13%synergy
Golgari Charm
10%inclusion3 decks29 decks
5%synergy
Putrefy
10%inclusion3 decks29 decks
-5%synergy
Druid's Deliverance
10%inclusion3 decks30 decks
9%synergy
Prologue to Phyresis
10%inclusion3 decks30 decks
9%synergy
Second Harvest
10%inclusion3 decks30 decks
5%synergy
Sorceries
Tezzeret's Gambit
47%inclusion14 decks30 decks
43%synergy
Farseek
47%inclusion14 decks30 decks
11%synergy
Damning Verdict
44%inclusion4 decks9 decks
42%synergy
Unnatural Restoration
37%inclusion11 decks30 decks
34%synergy
Cultivate
37%inclusion11 decks30 decks
-6%synergy
Saproling Symbiosis
33%inclusion10 decks30 decks
33%synergy
Rampant Growth
27%inclusion8 decks30 decks
-7%synergy
Contentious Plan
23%inclusion7 decks30 decks
22%synergy
Thirsting Roots
23%inclusion7 decks30 decks
22%synergy
Three Visits
23%inclusion7 decks30 decks
-1%synergy
Drown in Ichor
17%inclusion5 decks29 decks
16%synergy
Fungal Sprouting
17%inclusion5 decks30 decks
16%synergy
Nature's Lore
17%inclusion5 decks30 decks
-15%synergy
Toxic Deluge
14%inclusion4 decks29 decks
-5%synergy
Aether Mutation
13%inclusion4 decks30 decks
13%synergy
Distant Melody
13%inclusion4 decks30 decks
9%synergy
Kodama's Reach
13%inclusion4 decks30 decks
-15%synergy
Gruesome Fate
10%inclusion3 decks29 decks
10%synergy
Infectious Inquiry
10%inclusion3 decks29 decks
9%synergy
Damnation
10%inclusion3 decks29 decks
4%synergy
Utility Artifacts
Skullclamp
57%inclusion17 decks30 decks
45%synergy
Swiftfoot Boots
30%inclusion9 decks30 decks
3%synergy
Contagion Engine
27%inclusion8 decks30 decks
26%synergy
The Ozolith
20%inclusion6 decks30 decks
16%synergy
Phyrexian Altar
20%inclusion6 decks30 decks
16%synergy
Lightning Greaves
20%inclusion6 decks30 decks
-5%synergy
Contagion Clasp
17%inclusion5 decks30 decks
16%synergy
Druidic Satchel
13%inclusion4 decks30 decks
13%synergy
The Millennium Calendar
13%inclusion4 decks30 decks
13%synergy
Eldrazi Monument
13%inclusion4 decks30 decks
12%synergy
Thousand-Year Elixir
13%inclusion4 decks30 decks
12%synergy
Magewright's Stone
10%inclusion3 decks30 decks
9%synergy
Thornbite Staff
10%inclusion3 decks30 decks
9%synergy
Enchantments
Doubling Season
57%inclusion17 decks30 decks
47%synergy
Inexorable Tide
50%inclusion15 decks30 decks
47%synergy
Fungal Plots
47%inclusion14 decks30 decks
46%synergy
Paradox Haze
37%inclusion11 decks30 decks
35%synergy
Intruder Alarm
37%inclusion11 decks30 decks
35%synergy
Cathars' Crusade
33%inclusion3 decks9 decks
28%synergy
Growing Rites of Itlimoc
27%inclusion8 decks30 decks
21%synergy
Parallel Lives
27%inclusion8 decks30 decks
20%synergy
Fungal Bloom
23%inclusion7 decks30 decks
23%synergy
Innkeeper's Talent
22%inclusion4 decks18 decks
18%synergy
Moldervine Reclamation
21%inclusion6 decks29 decks
13%synergy
Necrogenesis
17%inclusion5 decks29 decks
17%synergy
Life and Limb
17%inclusion5 decks30 decks
16%synergy
Sporogenesis
13%inclusion4 decks30 decks
13%synergy
Night Soil
13%inclusion4 decks30 decks
13%synergy
Evolutionary Leap
13%inclusion4 decks30 decks
12%synergy
Primal Vigor
13%inclusion4 decks30 decks
10%synergy
Bastion of Remembrance
10%inclusion3 decks29 decks
4%synergy
Saproling Burst
10%inclusion3 decks30 decks
10%synergy
Aura of Dominion
10%inclusion3 decks30 decks
10%synergy
Verdant Embrace
10%inclusion3 decks30 decks
9%synergy
Freed from the Real
10%inclusion3 decks30 decks
8%synergy
Planeswalkers
Elspeth, Storm Slayer
60%inclusion3 decks5 decks
55%synergy
Vraska, Betrayal's Sting
31%inclusion9 decks29 decks
29%synergy
Tyvar, Jubilant Brawler
14%inclusion4 decks29 decks
10%synergy
Utility Lands
Karn's Bastion
47%inclusion14 decks30 decks
42%synergy
Nesting Grounds
23%inclusion7 decks30 decks
21%synergy
Hickory Woodlot
20%inclusion6 decks30 decks
20%synergy
Yavimaya, Cradle of Growth
20%inclusion6 decks30 decks
11%synergy
Peat Bog
17%inclusion5 decks29 decks
17%synergy
Reliquary Tower
17%inclusion5 decks30 decks
-13%synergy
Oran-Rief, the Vastwood
13%inclusion4 decks30 decks
9%synergy
Otawara, Soaring City
13%inclusion4 decks30 decks
-3%synergy
Boseiju, Who Endures
13%inclusion4 decks30 decks
-5%synergy
Mortuary Mire
10%inclusion3 decks29 decks
6%synergy
Saprazzan Skerry
10%inclusion3 decks30 decks
10%synergy
Mana Artifacts
Sol Ring
67%inclusion20 decks30 decks
-17%synergy
Arcane Signet
60%inclusion18 decks30 decks
-12%synergy
Everflowing Chalice
40%inclusion12 decks30 decks
36%synergy
Astral Cornucopia
33%inclusion10 decks30 decks
32%synergy
Staff of Compleation
33%inclusion10 decks30 decks
32%synergy
Replicating Ring
27%inclusion8 decks30 decks
25%synergy
Talisman of Resilience
10%inclusion3 decks29 decks
-2%synergy
Talisman of Curiosity
10%inclusion3 decks30 decks
-3%synergy
Lands
Command Tower
87%inclusion26 decks30 decks
12%synergy
Exotic Orchard
57%inclusion17 decks30 decks
20%synergy
Temple Garden
56%inclusion5 decks9 decks
17%synergy
Breeding Pool
47%inclusion14 decks30 decks
5%synergy
Bountiful Promenade
44%inclusion4 decks9 decks
22%synergy
Sandsteppe Citadel
44%inclusion4 decks9 decks
19%synergy
Seaside Citadel
44%inclusion4 decks9 decks
18%synergy
Indatha Triome
44%inclusion4 decks9 decks
16%synergy
Arcane Sanctum
44%inclusion4 decks9 decks
16%synergy
Spara's Headquarters
44%inclusion4 decks9 decks
16%synergy
Godless Shrine
44%inclusion4 decks9 decks
4%synergy
Woodland Cemetery
41%inclusion12 decks29 decks
10%synergy
Opulent Palace
38%inclusion11 decks29 decks
10%synergy
Overgrown Tomb
38%inclusion11 decks29 decks
-2%synergy
Evolving Wilds
37%inclusion11 decks30 decks
16%synergy
Zagoth Triome
34%inclusion10 decks29 decks
6%synergy
Watery Grave
34%inclusion10 decks29 decks
-7%synergy
Vivid Meadow
33%inclusion3 decks9 decks
33%synergy
Terramorphic Expanse
33%inclusion10 decks30 decks
18%synergy
Raffine's Tower
33%inclusion3 decks9 decks
9%synergy
Sea of Clouds
33%inclusion3 decks9 decks
9%synergy
Hallowed Fountain
33%inclusion3 decks9 decks
-6%synergy
Foreboding Landscape
28%inclusion5 decks18 decks
19%synergy
Deathcap Glade
28%inclusion8 decks29 decks
14%synergy
Undergrowth Stadium
28%inclusion8 decks29 decks
4%synergy
Llanowar Wastes
28%inclusion8 decks29 decks
1%synergy
Dreamroot Cascade
27%inclusion8 decks30 decks
5%synergy
Rejuvenating Springs
27%inclusion8 decks30 decks
0%synergy
Hinterland Harbor
27%inclusion8 decks30 decks
-6%synergy
Drowned Catacomb
24%inclusion7 decks29 decks
-5%synergy
Path of Ancestry
23%inclusion7 decks30 decks
1%synergy
Darkbore Pathway
21%inclusion6 decks29 decks
14%synergy
Morphic Pool
21%inclusion6 decks29 decks
-4%synergy
Yavimaya Coast
20%inclusion6 decks30 decks
-7%synergy
Vivid Marsh
17%inclusion5 decks29 decks
17%synergy
Sunken Hollow
17%inclusion5 decks29 decks
-17%synergy
Vivid Grove
17%inclusion5 decks30 decks
16%synergy
Barkchannel Pathway
17%inclusion5 decks30 decks
10%synergy
Fabled Passage
17%inclusion5 decks30 decks
7%synergy
Verdant Catacombs
17%inclusion5 decks30 decks
6%synergy
Polluted Delta
17%inclusion5 decks30 decks
5%synergy
Clearwater Pathway
14%inclusion4 decks29 decks
6%synergy
Dimir Aqueduct
14%inclusion4 decks29 decks
-1%synergy
Golgari Rot Farm
14%inclusion4 decks29 decks
-3%synergy
Shipwreck Marsh
14%inclusion4 decks29 decks
-5%synergy
Gemstone Mine
13%inclusion4 decks30 decks
13%synergy
Vivid Creek
13%inclusion4 decks30 decks
12%synergy
Reflecting Pool
13%inclusion4 decks30 decks
8%synergy
Flooded Grove
13%inclusion4 decks30 decks
-2%synergy
Simic Growth Chamber
13%inclusion4 decks30 decks
-5%synergy