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 decks7.46K decks
Atraxa, Praetors' Voice
0.0%inclusion6 decks38.5K decks
New Cards
Ferrafor, Young Yew
100%inclusion1 decks1 decks
99%synergy
Springleaf Parade
100%inclusion1 decks1 decks
96%synergy
High Synergy Cards
Sporesower Thallid
100%inclusion21 decks21 decks
100%synergy
Slimefoot, the Stowaway
95%inclusion20 decks21 decks
94%synergy
Deathspore Thallid
90%inclusion19 decks21 decks
90%synergy
Psychotrope Thallid
90%inclusion19 decks21 decks
90%synergy
Thallid Germinator
86%inclusion18 decks21 decks
85%synergy
Utopia Mycon
86%inclusion18 decks21 decks
85%synergy
Pallid Mycoderm
83%inclusion5 decks6 decks
83%synergy
Lae'zel, Vlaakith's Champion
83%inclusion5 decks6 decks
81%synergy
Thallid
81%inclusion17 decks21 decks
81%synergy
Aura Mutation
83%inclusion5 decks6 decks
80%synergy
Top Cards
Savage Thallid
76%inclusion16 decks21 decks
76%synergy
Thelon of Havenwood
76%inclusion16 decks21 decks
76%synergy
Vitaspore Thallid
76%inclusion16 decks21 decks
76%synergy
Thallid Shell-Dweller
76%inclusion16 decks21 decks
76%synergy
Mycoloth
76%inclusion16 decks21 decks
75%synergy
Ezuri, Stalker of Spheres
76%inclusion16 decks21 decks
74%synergy
Elvish Farmer
71%inclusion15 decks21 decks
71%synergy
Thallid Devourer
71%inclusion15 decks21 decks
71%synergy
Spore Flower
71%inclusion15 decks21 decks
71%synergy
Nemata, Primeval Warden
71%inclusion15 decks21 decks
70%synergy
Game Changers
Cyclonic Rift
14%inclusion3 decks21 decks
-8%synergy
Creatures
Winding Constrictor
71%inclusion15 decks21 decks
68%synergy
Tendershoot Dryad
67%inclusion14 decks21 decks
64%synergy
Brightcap Badger
65%inclusion11 decks17 decks
64%synergy
Evolution Sage
52%inclusion11 decks21 decks
46%synergy
Mycologist
50%inclusion3 decks6 decks
50%synergy
Ghave, Guru of Spores
50%inclusion3 decks6 decks
49%synergy
Ojer Taq, Deepest Foundation
50%inclusion3 decks6 decks
46%synergy
Sporecrown Thallid
48%inclusion10 decks21 decks
47%synergy
Dreamtide Whale
44%inclusion8 decks18 decks
42%synergy
Shroofus Sproutsire
43%inclusion6 decks14 decks
43%synergy
The Mycotyrant
38%inclusion8 decks21 decks
37%synergy
Cankerbloom
38%inclusion8 decks21 decks
34%synergy
Adrix and Nev, Twincasters
38%inclusion8 decks21 decks
33%synergy
Mirkwood Bats
38%inclusion8 decks21 decks
29%synergy
Pir, Imaginative Rascal
33%inclusion7 decks21 decks
33%synergy
Thrummingbird
33%inclusion7 decks21 decks
30%synergy
Zulaport Cutthroat
33%inclusion7 decks21 decks
25%synergy
Thorn Thallid
29%inclusion6 decks21 decks
29%synergy
Nemata, Grove Guardian
29%inclusion6 decks21 decks
28%synergy
Xavier Sal, Infested Captain
29%inclusion6 decks21 decks
28%synergy
Pitiless Plunderer
29%inclusion6 decks21 decks
20%synergy
Verdeloth the Ancient
24%inclusion5 decks21 decks
23%synergy
Undercellar Myconid
24%inclusion5 decks21 decks
23%synergy
Danny Pink
24%inclusion5 decks21 decks
23%synergy
Flux Channeler
24%inclusion5 decks21 decks
21%synergy
Blood Artist
24%inclusion5 decks21 decks
12%synergy
Mindbender Spores
19%inclusion4 decks21 decks
19%synergy
Sporemound
19%inclusion4 decks21 decks
18%synergy
Deepglow Skate
19%inclusion4 decks21 decks
17%synergy
Master Biomancer
19%inclusion4 decks21 decks
16%synergy
Vorinclex, Monstrous Raider
19%inclusion4 decks21 decks
16%synergy
Yawgmoth, Thran Physician
19%inclusion4 decks21 decks
16%synergy
Corpsejack Menace
19%inclusion4 decks21 decks
14%synergy
Birds of Paradise
19%inclusion4 decks21 decks
-8%synergy
Plaguemaw Beast
14%inclusion3 decks21 decks
14%synergy
Thelonite Hermit
14%inclusion3 decks21 decks
14%synergy
Scheming Aspirant
14%inclusion3 decks21 decks
14%synergy
Fathom Mage
14%inclusion3 decks21 decks
10%synergy
Roaming Throne
14%inclusion3 decks21 decks
8%synergy
Instants
Ripples of Potential
48%inclusion10 decks21 decks
45%synergy
Mutational Advantage
48%inclusion10 decks21 decks
44%synergy
Experimental Augury
38%inclusion8 decks21 decks
36%synergy
Atomize
38%inclusion8 decks21 decks
34%synergy
Assassin's Trophy
38%inclusion8 decks21 decks
8%synergy
Sprout Swarm
33%inclusion7 decks21 decks
33%synergy
Beast Within
33%inclusion7 decks21 decks
-1%synergy
Serum Snare
24%inclusion5 decks21 decks
23%synergy
Counterspell
24%inclusion5 decks21 decks
-18%synergy
Fuel for the Cause
19%inclusion4 decks21 decks
19%synergy
Fungal Rebirth
19%inclusion4 decks21 decks
18%synergy
Village Rites
19%inclusion4 decks21 decks
10%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
Golgari Charm
14%inclusion3 decks21 decks
9%synergy
Abrupt Decay
14%inclusion3 decks21 decks
5%synergy
Sorceries
Tezzeret's Gambit
52%inclusion11 decks21 decks
49%synergy
Damning Verdict
50%inclusion3 decks6 decks
47%synergy
Farseek
38%inclusion8 decks21 decks
2%synergy
Saproling Symbiosis
33%inclusion7 decks21 decks
33%synergy
Unnatural Restoration
33%inclusion7 decks21 decks
31%synergy
Cultivate
33%inclusion7 decks21 decks
-9%synergy
Contentious Plan
29%inclusion6 decks21 decks
27%synergy
Thirsting Roots
29%inclusion6 decks21 decks
27%synergy
Rampant Growth
29%inclusion6 decks21 decks
-5%synergy
Drown in Ichor
19%inclusion4 decks21 decks
17%synergy
Three Visits
19%inclusion4 decks21 decks
-5%synergy
Aether Mutation
14%inclusion3 decks21 decks
14%synergy
Fungal Sprouting
14%inclusion3 decks21 decks
14%synergy
Distant Melody
14%inclusion3 decks21 decks
10%synergy
Damnation
14%inclusion3 decks21 decks
8%synergy
Utility Artifacts
Skullclamp
62%inclusion13 decks21 decks
51%synergy
Contagion Engine
24%inclusion5 decks21 decks
23%synergy
Phyrexian Altar
24%inclusion5 decks21 decks
20%synergy
Swiftfoot Boots
24%inclusion5 decks21 decks
-3%synergy
Lightning Greaves
19%inclusion4 decks21 decks
-6%synergy
Thornbite Staff
14%inclusion3 decks21 decks
14%synergy
Thousand-Year Elixir
14%inclusion3 decks21 decks
13%synergy
The Ozolith
14%inclusion3 decks21 decks
11%synergy
Enchantments
Inexorable Tide
62%inclusion13 decks21 decks
59%synergy
Fungal Plots
52%inclusion11 decks21 decks
52%synergy
Doubling Season
52%inclusion11 decks21 decks
43%synergy
Paradox Haze
38%inclusion8 decks21 decks
37%synergy
Innkeeper's Talent
29%inclusion5 decks17 decks
25%synergy
Fungal Bloom
29%inclusion6 decks21 decks
29%synergy
Intruder Alarm
29%inclusion6 decks21 decks
27%synergy
Parallel Lives
24%inclusion5 decks21 decks
17%synergy
Growing Rites of Itlimoc
19%inclusion4 decks21 decks
14%synergy
Moldervine Reclamation
19%inclusion4 decks21 decks
12%synergy
Saproling Burst
14%inclusion3 decks21 decks
14%synergy
Sporogenesis
14%inclusion3 decks21 decks
14%synergy
Night Soil
14%inclusion3 decks21 decks
14%synergy
Life and Limb
14%inclusion3 decks21 decks
14%synergy
Primal Vigor
14%inclusion3 decks21 decks
11%synergy
Insidious Roots
14%inclusion3 decks21 decks
9%synergy
Bastion of Remembrance
14%inclusion3 decks21 decks
8%synergy
Planeswalkers
Elspeth, Storm Slayer
60%inclusion3 decks5 decks
55%synergy
Vraska, Betrayal's Sting
29%inclusion6 decks21 decks
26%synergy
Utility Lands
Karn's Bastion
62%inclusion13 decks21 decks
57%synergy
Nesting Grounds
33%inclusion7 decks21 decks
31%synergy
Hickory Woodlot
29%inclusion6 decks21 decks
28%synergy
Peat Bog
24%inclusion5 decks21 decks
23%synergy
Yavimaya, Cradle of Growth
24%inclusion5 decks21 decks
15%synergy
Reliquary Tower
19%inclusion4 decks21 decks
-11%synergy
Saprazzan Skerry
14%inclusion3 decks21 decks
14%synergy
Oran-Rief, the Vastwood
14%inclusion3 decks21 decks
10%synergy
Mortuary Mire
14%inclusion3 decks21 decks
10%synergy
Boseiju, Who Endures
14%inclusion3 decks21 decks
-4%synergy
Mana Artifacts
Sol Ring
71%inclusion15 decks21 decks
-12%synergy
Arcane Signet
52%inclusion11 decks21 decks
-20%synergy
Astral Cornucopia
38%inclusion8 decks21 decks
37%synergy
Replicating Ring
38%inclusion8 decks21 decks
37%synergy
Everflowing Chalice
33%inclusion7 decks21 decks
29%synergy
Staff of Compleation
29%inclusion6 decks21 decks
27%synergy
Talisman of Curiosity
14%inclusion3 decks21 decks
2%synergy
Lands
Command Tower
90%inclusion19 decks21 decks
16%synergy
Sandsteppe Citadel
67%inclusion4 decks6 decks
41%synergy
Seaside Citadel
67%inclusion4 decks6 decks
40%synergy
Arcane Sanctum
67%inclusion4 decks6 decks
39%synergy
Exotic Orchard
57%inclusion12 decks21 decks
21%synergy
Vivid Meadow
50%inclusion3 decks6 decks
49%synergy
Evolving Wilds
38%inclusion8 decks21 decks
17%synergy
Rejuvenating Springs
38%inclusion8 decks21 decks
12%synergy
Opulent Palace
38%inclusion8 decks21 decks
10%synergy
Woodland Cemetery
38%inclusion8 decks21 decks
6%synergy
Breeding Pool
38%inclusion8 decks21 decks
-4%synergy
Terramorphic Expanse
33%inclusion7 decks21 decks
18%synergy
Llanowar Wastes
33%inclusion7 decks21 decks
7%synergy
Zagoth Triome
33%inclusion7 decks21 decks
6%synergy
Vivid Marsh
29%inclusion6 decks21 decks
28%synergy
Vivid Grove
29%inclusion6 decks21 decks
28%synergy
Fabled Passage
29%inclusion6 decks21 decks
19%synergy
Path of Ancestry
29%inclusion6 decks21 decks
6%synergy
Undergrowth Stadium
29%inclusion6 decks21 decks
5%synergy
Yavimaya Coast
29%inclusion6 decks21 decks
2%synergy
Hinterland Harbor
29%inclusion6 decks21 decks
-4%synergy
Overgrown Tomb
29%inclusion6 decks21 decks
-12%synergy
Watery Grave
29%inclusion6 decks21 decks
-13%synergy
Foreboding Landscape
28%inclusion5 decks18 decks
19%synergy
Vivid Creek
24%inclusion5 decks21 decks
23%synergy
Darkbore Pathway
24%inclusion5 decks21 decks
17%synergy
Dreamroot Cascade
24%inclusion5 decks21 decks
2%synergy
Morphic Pool
24%inclusion5 decks21 decks
-1%synergy
Drowned Catacomb
24%inclusion5 decks21 decks
-5%synergy
Reflecting Pool
19%inclusion4 decks21 decks
14%synergy
Clearwater Pathway
19%inclusion4 decks21 decks
11%synergy
Deathcap Glade
19%inclusion4 decks21 decks
6%synergy
Gemstone Mine
14%inclusion3 decks21 decks
14%synergy
Barkchannel Pathway
14%inclusion3 decks21 decks
8%synergy
Verdant Catacombs
14%inclusion3 decks21 decks
3%synergy
Hedge Maze
14%inclusion3 decks21 decks
3%synergy
Polluted Delta
14%inclusion3 decks21 decks
2%synergy
Underground Mortuary
14%inclusion3 decks21 decks
2%synergy
Flooded Grove
14%inclusion3 decks21 decks
-1%synergy
Simic Growth Chamber
14%inclusion3 decks21 decks
-3%synergy
Shipwreck Marsh
14%inclusion3 decks21 decks
-4%synergy
Underground River
14%inclusion3 decks21 decks
-8%synergy