Sporoloth Ancient
Tainted Observer
Ashnod's Altar
Primal Vigor

   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 twice by sacrificing the Saprolings, adding .
4
Resolve both Tainted Observer triggers, causing you to pay 4 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
Atraxa, Praetors' Voice
0.0%inclusion3 decks38.3K decks
Xavier Sal, Infested Captain
0.0%inclusion3 decks7.78K decks
Rubinia Soulsinger
0.1%inclusion1 decks880 decks
High Synergy Cards
Deathspore Thallid
100%inclusion6 decks6 decks
100%synergy
Slimefoot, the Stowaway
100%inclusion6 decks6 decks
99%synergy
Savage Thallid
86%inclusion6 decks7 decks
85%synergy
Thallid Shell-Dweller
86%inclusion6 decks7 decks
85%synergy
Thallid
86%inclusion6 decks7 decks
85%synergy
Sporesower Thallid
86%inclusion6 decks7 decks
85%synergy
Psychotrope Thallid
86%inclusion6 decks7 decks
85%synergy
Utopia Mycon
86%inclusion6 decks7 decks
85%synergy
Mycoloth
86%inclusion6 decks7 decks
84%synergy
Doubling Season
86%inclusion6 decks7 decks
76%synergy
Top Cards
Vitaspore Thallid
71%inclusion5 decks7 decks
71%synergy
Thallid Germinator
71%inclusion5 decks7 decks
71%synergy
Inexorable Tide
71%inclusion5 decks7 decks
69%synergy
Evolution Sage
71%inclusion5 decks7 decks
65%synergy
Thelon of Havenwood
67%inclusion4 decks6 decks
66%synergy
Vraska, Betrayal's Sting
67%inclusion4 decks6 decks
64%synergy
Winding Constrictor
67%inclusion4 decks6 decks
63%synergy
Thallid Devourer
57%inclusion4 decks7 decks
57%synergy
Spore Flower
57%inclusion4 decks7 decks
57%synergy
Fungal Plots
57%inclusion4 decks7 decks
57%synergy
Game Changers
Enlightened Tutor
25%inclusion1 decks4 decks
9%synergy
Demonic Tutor
17%inclusion1 decks6 decks
-3%synergy
Field of the Dead
14%inclusion1 decks7 decks
11%synergy
Cyclonic Rift
14%inclusion1 decks7 decks
-9%synergy
Creatures
Mycologist
75%inclusion3 decks4 decks
75%synergy
Pallid Mycoderm
75%inclusion3 decks4 decks
75%synergy
Ghave, Guru of Spores
67%inclusion2 decks3 decks
66%synergy
Sporecrown Thallid
57%inclusion4 decks7 decks
57%synergy
Tendershoot Dryad
57%inclusion4 decks7 decks
55%synergy
Tekuthal, Inquiry Dominus
57%inclusion4 decks7 decks
55%synergy
Ezuri, Stalker of Spheres
57%inclusion4 decks7 decks
55%synergy
Thallid Soothsayer
50%inclusion3 decks6 decks
50%synergy
Nemata, Primeval Warden
50%inclusion3 decks6 decks
48%synergy
Mondrak, Glory Dominus
50%inclusion2 decks4 decks
43%synergy
Elvish Farmer
43%inclusion3 decks7 decks
43%synergy
Adrix and Nev, Twincasters
43%inclusion3 decks7 decks
38%synergy
Thallid Omnivore
33%inclusion2 decks6 decks
33%synergy
Ertai, the Corrupted
33%inclusion1 decks3 decks
33%synergy
Tayam, Luminous Enigma
33%inclusion1 decks3 decks
33%synergy
Xavier Sal, Infested Captain
33%inclusion2 decks6 decks
33%synergy
Tidus, Yuna's Guardian
33%inclusion1 decks3 decks
31%synergy
Metastatic Evangel
33%inclusion1 decks3 decks
31%synergy
Yawgmoth, Thran Physician
33%inclusion2 decks6 decks
30%synergy
Enduring Innocence
33%inclusion1 decks3 decks
29%synergy
Plaguemaw Beast
29%inclusion2 decks7 decks
28%synergy
Nemata, Grove Guardian
29%inclusion2 decks7 decks
28%synergy
Verdeloth the Ancient
29%inclusion2 decks7 decks
28%synergy
Thelonite Hermit
29%inclusion2 decks7 decks
28%synergy
Pir, Imaginative Rascal
29%inclusion2 decks7 decks
28%synergy
Verdant Force
29%inclusion2 decks7 decks
28%synergy
Thrummingbird
29%inclusion2 decks7 decks
25%synergy
Cankerbloom
29%inclusion2 decks7 decks
24%synergy
Sakura-Tribe Elder
29%inclusion2 decks7 decks
12%synergy
Knight of Autumn
25%inclusion1 decks4 decks
23%synergy
Grateful Apparition
25%inclusion1 decks4 decks
23%synergy
Karametra, God of Harvests
25%inclusion1 decks4 decks
23%synergy
Lae'zel, Vlaakith's Champion
25%inclusion1 decks4 decks
22%synergy
Conclave Mentor
25%inclusion1 decks4 decks
21%synergy
Ojer Taq, Deepest Foundation
25%inclusion1 decks4 decks
21%synergy
Marionette Apprentice
25%inclusion1 decks4 decks
20%synergy
Welcoming Vampire
25%inclusion1 decks4 decks
19%synergy
Shalai, Voice of Plenty
25%inclusion1 decks4 decks
19%synergy
Sun Titan
25%inclusion1 decks4 decks
17%synergy
Twitching Doll
20%inclusion1 decks5 decks
18%synergy
Dreamtide Whale
20%inclusion1 decks5 decks
17%synergy
Deathbloom Thallid
17%inclusion1 decks6 decks
17%synergy
Hell's Caretaker
17%inclusion1 decks6 decks
16%synergy
Species Specialist
17%inclusion1 decks6 decks
16%synergy
Creakwood Liege
17%inclusion1 decks6 decks
16%synergy
Nadier's Nightblade
17%inclusion1 decks6 decks
13%synergy
Mazirek, Kraul Death Priest
17%inclusion1 decks6 decks
13%synergy
Meren of Clan Nel Toth
17%inclusion1 decks6 decks
13%synergy
Corpsejack Menace
17%inclusion1 decks6 decks
12%synergy
Zulaport Cutthroat
17%inclusion1 decks6 decks
8%synergy
Instants
Assassin's Trophy
50%inclusion3 decks6 decks
20%synergy
Ready // Willing
33%inclusion1 decks3 decks
33%synergy
Deny the Witch
33%inclusion1 decks3 decks
32%synergy
Flare of Fortitude
33%inclusion1 decks3 decks
29%synergy
Golgari Charm
33%inclusion2 decks6 decks
28%synergy
Experimental Augury
29%inclusion2 decks7 decks
26%synergy
Ripples of Potential
29%inclusion2 decks7 decks
26%synergy
Krosan Grip
29%inclusion2 decks7 decks
23%synergy
Beast Within
29%inclusion2 decks7 decks
-6%synergy
Counterspell
29%inclusion2 decks7 decks
-13%synergy
Aura Mutation
25%inclusion1 decks4 decks
22%synergy
Fungal Infection
17%inclusion1 decks6 decks
17%synergy
Power Word Kill
17%inclusion1 decks6 decks
16%synergy
Whisper of the Dross
17%inclusion1 decks6 decks
16%synergy
Doom Blade
17%inclusion1 decks6 decks
15%synergy
Plumb the Forbidden
17%inclusion1 decks6 decks
14%synergy
Mutational Advantage
17%inclusion1 decks6 decks
13%synergy
Go for the Throat
17%inclusion1 decks6 decks
10%synergy
Infernal Grasp
17%inclusion1 decks6 decks
9%synergy
Abrupt Decay
17%inclusion1 decks6 decks
7%synergy
Dark Ritual
17%inclusion1 decks6 decks
-7%synergy
Spore Swarm
14%inclusion1 decks7 decks
14%synergy
Winds of Qal Sisma
14%inclusion1 decks7 decks
14%synergy
Sprout Swarm
14%inclusion1 decks7 decks
14%synergy
For the Ancestors
14%inclusion1 decks7 decks
14%synergy
Fuel for the Cause
14%inclusion1 decks7 decks
14%synergy
Steady Progress
14%inclusion1 decks7 decks
14%synergy
Serum Snare
14%inclusion1 decks7 decks
13%synergy
Mystic Reflection
14%inclusion1 decks7 decks
13%synergy
See Double
14%inclusion1 decks7 decks
13%synergy
Naturalize
14%inclusion1 decks7 decks
13%synergy
Gaea's Gift
14%inclusion1 decks7 decks
11%synergy
Snakeskin Veil
14%inclusion1 decks7 decks
9%synergy
Pongify
14%inclusion1 decks7 decks
3%synergy
Negate
14%inclusion1 decks7 decks
-7%synergy
Heroic Intervention
14%inclusion1 decks7 decks
-16%synergy
Sorceries
Rampant Growth
43%inclusion3 decks7 decks
9%synergy
Cultivate
43%inclusion3 decks7 decks
0%synergy
Rite of Oblivion
33%inclusion1 decks3 decks
31%synergy
Eerie Ultimatum
33%inclusion1 decks3 decks
22%synergy
Toxic Deluge
33%inclusion2 decks6 decks
15%synergy
Tezzeret's Gambit
29%inclusion2 decks7 decks
25%synergy
Farseek
29%inclusion2 decks7 decks
-7%synergy
Supply // Demand
25%inclusion1 decks4 decks
25%synergy
Gruesome Fate
17%inclusion1 decks6 decks
16%synergy
Eaten Alive
17%inclusion1 decks6 decks
16%synergy
Damnation
17%inclusion1 decks6 decks
10%synergy
Culling Ritual
17%inclusion1 decks6 decks
6%synergy
Saproling Migration
14%inclusion1 decks7 decks
14%synergy
Replication Technique
14%inclusion1 decks7 decks
14%synergy
Contentious Plan
14%inclusion1 decks7 decks
13%synergy
Thirsting Roots
14%inclusion1 decks7 decks
13%synergy
Overrun
14%inclusion1 decks7 decks
12%synergy
Unnatural Restoration
14%inclusion1 decks7 decks
12%synergy
Triumph of the Hordes
14%inclusion1 decks7 decks
12%synergy
Shamanic Revelation
14%inclusion1 decks7 decks
7%synergy
Rishkar's Expertise
14%inclusion1 decks7 decks
5%synergy
Kodama's Reach
14%inclusion1 decks7 decks
-14%synergy
Nature's Lore
14%inclusion1 decks7 decks
-17%synergy
Utility Artifacts
Skullclamp
57%inclusion4 decks7 decks
46%synergy
Druidic Satchel
29%inclusion2 decks7 decks
28%synergy
Contagion Engine
29%inclusion2 decks7 decks
28%synergy
Contagion Clasp
29%inclusion2 decks7 decks
28%synergy
Eldrazi Monument
29%inclusion2 decks7 decks
27%synergy
Mercadian Lift
14%inclusion1 decks7 decks
14%synergy
Oracle's Vault
14%inclusion1 decks7 decks
14%synergy
Prototype Portal
14%inclusion1 decks7 decks
14%synergy
Grimoire of the Dead
14%inclusion1 decks7 decks
14%synergy
Obelisk of Urd
14%inclusion1 decks7 decks
14%synergy
Illusionist's Bracers
14%inclusion1 decks7 decks
13%synergy
The Ozolith
14%inclusion1 decks7 decks
11%synergy
Phyrexian Altar
14%inclusion1 decks7 decks
11%synergy
The Great Henge
14%inclusion1 decks7 decks
5%synergy
Enchantments
Parallel Lives
57%inclusion4 decks7 decks
51%synergy
Insidious Roots
40%inclusion2 decks5 decks
34%synergy
Attrition
33%inclusion2 decks6 decks
33%synergy
Necrogenesis
33%inclusion2 decks6 decks
33%synergy
Caretaker's Talent
33%inclusion1 decks3 decks
29%synergy
Bastion of Remembrance
33%inclusion2 decks6 decks
27%synergy
Moldervine Reclamation
33%inclusion2 decks6 decks
26%synergy
Evolutionary Leap
29%inclusion2 decks7 decks
27%synergy
Intruder Alarm
29%inclusion2 decks7 decks
27%synergy
Reflections of Littjara
29%inclusion2 decks7 decks
24%synergy
Growing Rites of Itlimoc
29%inclusion2 decks7 decks
23%synergy
Parallax Wave
25%inclusion1 decks4 decks
25%synergy
Chthonian Nightmare
25%inclusion1 decks4 decks
23%synergy
Resourceful Defense
25%inclusion1 decks4 decks
23%synergy
Cathars' Crusade
25%inclusion1 decks4 decks
20%synergy
Felidar Retreat
25%inclusion1 decks4 decks
19%synergy
Anointed Procession
25%inclusion1 decks4 decks
18%synergy
Mirari's Wake
25%inclusion1 decks4 decks
14%synergy
Fungal Bloom
14%inclusion1 decks7 decks
14%synergy
Hibernation's End
14%inclusion1 decks7 decks
14%synergy
Saproling Burst
14%inclusion1 decks7 decks
14%synergy
Ensoul Artifact
14%inclusion1 decks7 decks
14%synergy
Sporogenesis
14%inclusion1 decks7 decks
14%synergy
Mana Bloom
14%inclusion1 decks7 decks
14%synergy
Perilous Forays
14%inclusion1 decks7 decks
14%synergy
In Search of Greatness
14%inclusion1 decks7 decks
14%synergy
Earthcraft
14%inclusion1 decks7 decks
13%synergy
Pemmin's Aura
14%inclusion1 decks7 decks
13%synergy
Paradox Haze
14%inclusion1 decks7 decks
13%synergy
Zendikar Resurgent
14%inclusion1 decks7 decks
12%synergy
Freed from the Real
14%inclusion1 decks7 decks
12%synergy
Retreat to Coralhelm
14%inclusion1 decks7 decks
12%synergy
Cryptolith Rite
14%inclusion1 decks7 decks
11%synergy
Beastmaster Ascension
14%inclusion1 decks7 decks
9%synergy
Hardened Scales
14%inclusion1 decks7 decks
4%synergy
Wild Growth
14%inclusion1 decks7 decks
4%synergy
Mystic Remora
14%inclusion1 decks7 decks
-2%synergy
Planeswalkers
Vraska, Golgari Queen
33%inclusion2 decks6 decks
31%synergy
Elspeth, Storm Slayer
33%inclusion1 decks3 decks
29%synergy
Nissa, Voice of Zendikar
29%inclusion2 decks7 decks
28%synergy
Teferi, Time Raveler
25%inclusion1 decks4 decks
19%synergy
Nissa, Ascended Animist
14%inclusion1 decks7 decks
13%synergy
Wrenn and Realmbreaker
14%inclusion1 decks7 decks
13%synergy
Utility Lands
Karn's Bastion
43%inclusion3 decks7 decks
38%synergy
Fountain of Cho
25%inclusion1 decks4 decks
25%synergy
Icatian Store
25%inclusion1 decks4 decks
25%synergy
Sejiri Steppe
25%inclusion1 decks4 decks
25%synergy
Calciform Pools
25%inclusion1 decks4 decks
25%synergy
Ancient Den
25%inclusion1 decks4 decks
20%synergy
Hall of Heliod's Generosity
25%inclusion1 decks4 decks
19%synergy
Gavony Township
25%inclusion1 decks4 decks
17%synergy
Three Tree City
20%inclusion1 decks5 decks
15%synergy
Bottomless Vault
17%inclusion1 decks6 decks
17%synergy
Peat Bog
17%inclusion1 decks6 decks
16%synergy
Dreadship Reef
17%inclusion1 decks6 decks
16%synergy
Throne of Makindi
14%inclusion1 decks7 decks
14%synergy
Hollow Trees
14%inclusion1 decks7 decks
14%synergy
Magosi, the Waterveil
14%inclusion1 decks7 decks
14%synergy
Mystifying Maze
14%inclusion1 decks7 decks
14%synergy
Hickory Woodlot
14%inclusion1 decks7 decks
14%synergy
Saprazzan Skerry
14%inclusion1 decks7 decks
14%synergy
Wirewood Lodge
14%inclusion1 decks7 decks
13%synergy
Maze of Ith
14%inclusion1 decks7 decks
12%synergy
Oran-Rief, the Vastwood
14%inclusion1 decks7 decks
10%synergy
Alchemist's Refuge
14%inclusion1 decks7 decks
8%synergy
Urborg, Tomb of Yawgmoth
14%inclusion1 decks7 decks
5%synergy
Mosswort Bridge
14%inclusion1 decks7 decks
4%synergy
Otawara, Soaring City
14%inclusion1 decks7 decks
-2%synergy
Reliquary Tower
14%inclusion1 decks7 decks
-16%synergy
Mana Artifacts
Sol Ring
86%inclusion6 decks7 decks
2%synergy
Staff of Compleation
29%inclusion2 decks7 decks
27%synergy
Everflowing Chalice
29%inclusion2 decks7 decks
24%synergy
Arcane Signet
29%inclusion2 decks7 decks
-44%synergy
Talisman of Resilience
17%inclusion1 decks6 decks
4%synergy
Dimir Signet
17%inclusion1 decks6 decks
-9%synergy
Talisman of Dominance
17%inclusion1 decks6 decks
-16%synergy
Empowered Autogenerator
14%inclusion1 decks7 decks
14%synergy
Coalition Relic
14%inclusion1 decks7 decks
14%synergy
Replicating Ring
14%inclusion1 decks7 decks
13%synergy
Talisman of Curiosity
14%inclusion1 decks7 decks
1%synergy
Fellwar Stone
14%inclusion1 decks7 decks
-6%synergy
Lands
Command Tower
100%inclusion7 decks7 decks
26%synergy
Hinterland Harbor
86%inclusion6 decks7 decks
53%synergy
Woodland Cemetery
83%inclusion5 decks6 decks
52%synergy
Temple Garden
75%inclusion3 decks4 decks
36%synergy
Exotic Orchard
71%inclusion5 decks7 decks
35%synergy
Drowned Catacomb
67%inclusion4 decks6 decks
38%synergy
Rejuvenating Springs
57%inclusion4 decks7 decks
30%synergy
Yavimaya Coast
57%inclusion4 decks7 decks
30%synergy
Vivid Marsh
50%inclusion3 decks6 decks
49%synergy
Llanowar Wastes
50%inclusion3 decks6 decks
23%synergy
Seaside Citadel
50%inclusion2 decks4 decks
23%synergy
Sunpetal Grove
50%inclusion2 decks4 decks
23%synergy
Opulent Palace
50%inclusion3 decks6 decks
22%synergy
Glacial Fortress
50%inclusion2 decks4 decks
18%synergy
Canopy Vista
50%inclusion2 decks4 decks
13%synergy
Overgrown Tomb
50%inclusion3 decks6 decks
10%synergy
Vivid Creek
43%inclusion3 decks7 decks
42%synergy
Vivid Grove
43%inclusion3 decks7 decks
42%synergy
Dreamroot Cascade
43%inclusion3 decks7 decks
22%synergy
Breeding Pool
43%inclusion3 decks7 decks
2%synergy
Tranquil Landscape
33%inclusion1 decks3 decks
25%synergy
Deathcap Glade
33%inclusion2 decks6 decks
20%synergy
Shattered Sanctum
33%inclusion1 decks3 decks
19%synergy
Shipwreck Marsh
33%inclusion2 decks6 decks
15%synergy
Undergrowth Stadium
33%inclusion2 decks6 decks
10%synergy
Isolated Chapel
33%inclusion1 decks3 decks
0%synergy
Fabled Passage
29%inclusion2 decks7 decks
19%synergy
Flooded Grove
29%inclusion2 decks7 decks
14%synergy
Vivid Meadow
25%inclusion1 decks4 decks
24%synergy
Wooded Bastion
25%inclusion1 decks4 decks
21%synergy
Temple of Plenty
25%inclusion1 decks4 decks
12%synergy
Sungrass Prairie
25%inclusion1 decks4 decks
12%synergy
Temple of Enlightenment
25%inclusion1 decks4 decks
8%synergy
Deserted Beach
25%inclusion1 decks4 decks
8%synergy
Overgrown Farmland
25%inclusion1 decks4 decks
8%synergy
Brushland
25%inclusion1 decks4 decks
6%synergy
Bountiful Promenade
25%inclusion1 decks4 decks
2%synergy
Spara's Headquarters
25%inclusion1 decks4 decks
-3%synergy
Prairie Stream
25%inclusion1 decks4 decks
-9%synergy
Hallowed Fountain
25%inclusion1 decks4 decks
-15%synergy
Nurturing Peatland
17%inclusion1 decks6 decks
12%synergy
Darkbore Pathway
17%inclusion1 decks6 decks
10%synergy
Clearwater Pathway
17%inclusion1 decks6 decks
9%synergy
Overflowing Basin
17%inclusion1 decks6 decks
9%synergy
Jungle Hollow
17%inclusion1 decks6 decks
8%synergy
Tainted Isle
17%inclusion1 decks6 decks
6%synergy
Necroblossom Snarl
17%inclusion1 decks6 decks
5%synergy
Twilight Mire
17%inclusion1 decks6 decks
4%synergy
Underground River
17%inclusion1 decks6 decks
-6%synergy
Morphic Pool
17%inclusion1 decks6 decks
-8%synergy