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%inclusion2 decks40.7K decks
Xavier Sal, Infested Captain
0.0%inclusion2 decks7.58K decks
Rubinia Soulsinger
0.1%inclusion1 decks984 decks
High Synergy Cards
Deathspore Thallid
100%inclusion4 decks4 decks
100%synergy
Slimefoot, the Stowaway
100%inclusion4 decks4 decks
99%synergy
Savage Thallid
80%inclusion4 decks5 decks
80%synergy
Thallid Shell-Dweller
80%inclusion4 decks5 decks
80%synergy
Thallid Germinator
80%inclusion4 decks5 decks
80%synergy
Thallid
80%inclusion4 decks5 decks
80%synergy
Sporesower Thallid
80%inclusion4 decks5 decks
80%synergy
Psychotrope Thallid
80%inclusion4 decks5 decks
80%synergy
Utopia Mycon
80%inclusion4 decks5 decks
79%synergy
Mycoloth
80%inclusion4 decks5 decks
78%synergy
Top Cards
Evolution Sage
80%inclusion4 decks5 decks
74%synergy
Doubling Season
80%inclusion4 decks5 decks
70%synergy
Skullclamp
80%inclusion4 decks5 decks
69%synergy
Game Changers
Enlightened Tutor
33%inclusion1 decks3 decks
18%synergy
Demonic Tutor
25%inclusion1 decks4 decks
6%synergy
Field of the Dead
20%inclusion1 decks5 decks
17%synergy
Cyclonic Rift
20%inclusion1 decks5 decks
-1%synergy
Creatures
Ferrafor, Young Yew
100%inclusion1 decks1 decks
99%synergy
Thelon of Havenwood
75%inclusion3 decks4 decks
75%synergy
Mycologist
67%inclusion2 decks3 decks
67%synergy
Pallid Mycoderm
67%inclusion2 decks3 decks
67%synergy
Vitaspore Thallid
60%inclusion3 decks5 decks
60%synergy
Adrix and Nev, Twincasters
60%inclusion3 decks5 decks
55%synergy
Thallid Omnivore
50%inclusion2 decks4 decks
50%synergy
Thallid Soothsayer
50%inclusion2 decks4 decks
50%synergy
Tayam, Luminous Enigma
50%inclusion1 decks2 decks
50%synergy
Ghave, Guru of Spores
50%inclusion1 decks2 decks
50%synergy
Winding Constrictor
50%inclusion2 decks4 decks
46%synergy
Thallid Devourer
40%inclusion2 decks5 decks
40%synergy
Spore Flower
40%inclusion2 decks5 decks
40%synergy
Sporecrown Thallid
40%inclusion2 decks5 decks
39%synergy
Ezuri, Stalker of Spheres
40%inclusion2 decks5 decks
38%synergy
Tendershoot Dryad
40%inclusion2 decks5 decks
38%synergy
Tekuthal, Inquiry Dominus
40%inclusion2 decks5 decks
38%synergy
Sakura-Tribe Elder
40%inclusion2 decks5 decks
24%synergy
Knight of Autumn
33%inclusion1 decks3 decks
32%synergy
Grateful Apparition
33%inclusion1 decks3 decks
31%synergy
Tidus, Yuna's Guardian
33%inclusion1 decks3 decks
31%synergy
Metastatic Evangel
33%inclusion1 decks3 decks
31%synergy
Karametra, God of Harvests
33%inclusion1 decks3 decks
31%synergy
Lae'zel, Vlaakith's Champion
33%inclusion1 decks3 decks
31%synergy
Conclave Mentor
33%inclusion1 decks3 decks
30%synergy
Ojer Taq, Deepest Foundation
33%inclusion1 decks3 decks
30%synergy
Enduring Innocence
33%inclusion1 decks3 decks
29%synergy
Welcoming Vampire
33%inclusion1 decks3 decks
27%synergy
Shalai, Voice of Plenty
33%inclusion1 decks3 decks
27%synergy
Mondrak, Glory Dominus
33%inclusion1 decks3 decks
27%synergy
Sun Titan
33%inclusion1 decks3 decks
25%synergy
Deathbloom Thallid
25%inclusion1 decks4 decks
25%synergy
Xavier Sal, Infested Captain
25%inclusion1 decks4 decks
24%synergy
Species Specialist
25%inclusion1 decks4 decks
24%synergy
Creakwood Liege
25%inclusion1 decks4 decks
24%synergy
Nemata, Primeval Warden
25%inclusion1 decks4 decks
23%synergy
Nadier's Nightblade
25%inclusion1 decks4 decks
22%synergy
Meren of Clan Nel Toth
25%inclusion1 decks4 decks
21%synergy
Marionette Apprentice
25%inclusion1 decks4 decks
20%synergy
Zulaport Cutthroat
25%inclusion1 decks4 decks
16%synergy
Mindbender Spores
20%inclusion1 decks5 decks
20%synergy
Thorn Thallid
20%inclusion1 decks5 decks
20%synergy
Verazol, the Split Current
20%inclusion1 decks5 decks
20%synergy
Yavimaya Sapherd
20%inclusion1 decks5 decks
20%synergy
Elvish Farmer
20%inclusion1 decks5 decks
20%synergy
Plaguemaw Beast
20%inclusion1 decks5 decks
20%synergy
Coralhelm Commander
20%inclusion1 decks5 decks
20%synergy
Nemata, Grove Guardian
20%inclusion1 decks5 decks
20%synergy
Thelonite Hermit
20%inclusion1 decks5 decks
20%synergy
Verdeloth the Ancient
20%inclusion1 decks5 decks
20%synergy
Instants
Krosan Grip
40%inclusion2 decks5 decks
35%synergy
Beast Within
40%inclusion2 decks5 decks
7%synergy
Counterspell
40%inclusion2 decks5 decks
-2%synergy
Flare of Fortitude
33%inclusion1 decks3 decks
29%synergy
Fungal Infection
25%inclusion1 decks4 decks
25%synergy
Power Word Kill
25%inclusion1 decks4 decks
25%synergy
Whisper of the Dross
25%inclusion1 decks4 decks
24%synergy
Doom Blade
25%inclusion1 decks4 decks
23%synergy
Plumb the Forbidden
25%inclusion1 decks4 decks
22%synergy
Golgari Charm
25%inclusion1 decks4 decks
20%synergy
Go for the Throat
25%inclusion1 decks4 decks
19%synergy
Infernal Grasp
25%inclusion1 decks4 decks
17%synergy
Dark Ritual
25%inclusion1 decks4 decks
0%synergy
Assassin's Trophy
25%inclusion1 decks4 decks
-6%synergy
Spore Swarm
20%inclusion1 decks5 decks
20%synergy
Winds of Qal Sisma
20%inclusion1 decks5 decks
20%synergy
Mystic Reflection
20%inclusion1 decks5 decks
19%synergy
See Double
20%inclusion1 decks5 decks
19%synergy
Naturalize
20%inclusion1 decks5 decks
18%synergy
Experimental Augury
20%inclusion1 decks5 decks
18%synergy
Gaea's Gift
20%inclusion1 decks5 decks
17%synergy
Ripples of Potential
20%inclusion1 decks5 decks
17%synergy
Mutational Advantage
20%inclusion1 decks5 decks
16%synergy
Snakeskin Veil
20%inclusion1 decks5 decks
14%synergy
Negate
20%inclusion1 decks5 decks
-1%synergy
Heroic Intervention
20%inclusion1 decks5 decks
-10%synergy
Sorceries
Rampant Growth
60%inclusion3 decks5 decks
27%synergy
Cultivate
40%inclusion2 decks5 decks
-2%synergy
Supply // Demand
33%inclusion1 decks3 decks
33%synergy
Gruesome Fate
25%inclusion1 decks4 decks
25%synergy
Toxic Deluge
25%inclusion1 decks4 decks
7%synergy
Saproling Migration
20%inclusion1 decks5 decks
20%synergy
Replication Technique
20%inclusion1 decks5 decks
19%synergy
Overrun
20%inclusion1 decks5 decks
18%synergy
Tezzeret's Gambit
20%inclusion1 decks5 decks
17%synergy
Shamanic Revelation
20%inclusion1 decks5 decks
13%synergy
Rishkar's Expertise
20%inclusion1 decks5 decks
11%synergy
Kodama's Reach
20%inclusion1 decks5 decks
-7%synergy
Nature's Lore
20%inclusion1 decks5 decks
-11%synergy
Farseek
20%inclusion1 decks5 decks
-16%synergy
Utility Artifacts
Mercadian Lift
20%inclusion1 decks5 decks
20%synergy
Oracle's Vault
20%inclusion1 decks5 decks
20%synergy
Druidic Satchel
20%inclusion1 decks5 decks
20%synergy
Prototype Portal
20%inclusion1 decks5 decks
20%synergy
Grimoire of the Dead
20%inclusion1 decks5 decks
20%synergy
Obelisk of Urd
20%inclusion1 decks5 decks
20%synergy
Contagion Engine
20%inclusion1 decks5 decks
19%synergy
Illusionist's Bracers
20%inclusion1 decks5 decks
19%synergy
Contagion Clasp
20%inclusion1 decks5 decks
19%synergy
The Ozolith
20%inclusion1 decks5 decks
16%synergy
The Great Henge
20%inclusion1 decks5 decks
11%synergy
Enchantments
Fungal Plots
60%inclusion3 decks5 decks
59%synergy
Inexorable Tide
60%inclusion3 decks5 decks
57%synergy
Parallel Lives
60%inclusion3 decks5 decks
54%synergy
Intruder Alarm
40%inclusion2 decks5 decks
38%synergy
Parallax Wave
33%inclusion1 decks3 decks
33%synergy
Resourceful Defense
33%inclusion1 decks3 decks
31%synergy
Caretaker's Talent
33%inclusion1 decks3 decks
29%synergy
Cathars' Crusade
33%inclusion1 decks3 decks
28%synergy
Felidar Retreat
33%inclusion1 decks3 decks
28%synergy
Anointed Procession
33%inclusion1 decks3 decks
26%synergy
Necrogenesis
25%inclusion1 decks4 decks
24%synergy
Attrition
25%inclusion1 decks4 decks
24%synergy
Chthonian Nightmare
25%inclusion1 decks4 decks
24%synergy
Insidious Roots
25%inclusion1 decks4 decks
20%synergy
Bastion of Remembrance
25%inclusion1 decks4 decks
18%synergy
Moldervine Reclamation
25%inclusion1 decks4 decks
18%synergy
Hibernation's End
20%inclusion1 decks5 decks
20%synergy
Fungal Bloom
20%inclusion1 decks5 decks
20%synergy
Saproling Burst
20%inclusion1 decks5 decks
20%synergy
Ensoul Artifact
20%inclusion1 decks5 decks
20%synergy
Sporogenesis
20%inclusion1 decks5 decks
20%synergy
Mana Bloom
20%inclusion1 decks5 decks
20%synergy
In Search of Greatness
20%inclusion1 decks5 decks
20%synergy
Earthcraft
20%inclusion1 decks5 decks
19%synergy
Evolutionary Leap
20%inclusion1 decks5 decks
19%synergy
Pemmin's Aura
20%inclusion1 decks5 decks
19%synergy
Zendikar Resurgent
20%inclusion1 decks5 decks
18%synergy
Retreat to Coralhelm
20%inclusion1 decks5 decks
18%synergy
Freed from the Real
20%inclusion1 decks5 decks
18%synergy
Cryptolith Rite
20%inclusion1 decks5 decks
16%synergy
Reflections of Littjara
20%inclusion1 decks5 decks
16%synergy
Beastmaster Ascension
20%inclusion1 decks5 decks
15%synergy
Growing Rites of Itlimoc
20%inclusion1 decks5 decks
15%synergy
Wild Growth
20%inclusion1 decks5 decks
10%synergy
Hardened Scales
20%inclusion1 decks5 decks
10%synergy
Mystic Remora
20%inclusion1 decks5 decks
4%synergy
Planeswalkers
Vraska, Betrayal's Sting
75%inclusion3 decks4 decks
73%synergy
Vraska, Golgari Queen
50%inclusion2 decks4 decks
48%synergy
Nissa, Voice of Zendikar
40%inclusion2 decks5 decks
39%synergy
Elspeth, Storm Slayer
33%inclusion1 decks3 decks
29%synergy
Teferi, Time Raveler
33%inclusion1 decks3 decks
27%synergy
Wrenn and Realmbreaker
20%inclusion1 decks5 decks
19%synergy
Utility Lands
Karn's Bastion
60%inclusion3 decks5 decks
55%synergy
Fountain of Cho
33%inclusion1 decks3 decks
33%synergy
Icatian Store
33%inclusion1 decks3 decks
33%synergy
Sejiri Steppe
33%inclusion1 decks3 decks
33%synergy
Calciform Pools
33%inclusion1 decks3 decks
33%synergy
Ancient Den
33%inclusion1 decks3 decks
28%synergy
Hall of Heliod's Generosity
33%inclusion1 decks3 decks
27%synergy
Gavony Township
33%inclusion1 decks3 decks
26%synergy
Bottomless Vault
25%inclusion1 decks4 decks
25%synergy
Peat Bog
25%inclusion1 decks4 decks
25%synergy
Dreadship Reef
25%inclusion1 decks4 decks
24%synergy
Throne of Makindi
20%inclusion1 decks5 decks
20%synergy
Hollow Trees
20%inclusion1 decks5 decks
20%synergy
Magosi, the Waterveil
20%inclusion1 decks5 decks
20%synergy
Mystifying Maze
20%inclusion1 decks5 decks
20%synergy
Saprazzan Skerry
20%inclusion1 decks5 decks
20%synergy
Hickory Woodlot
20%inclusion1 decks5 decks
20%synergy
Wirewood Lodge
20%inclusion1 decks5 decks
19%synergy
Maze of Ith
20%inclusion1 decks5 decks
17%synergy
Oran-Rief, the Vastwood
20%inclusion1 decks5 decks
16%synergy
Three Tree City
20%inclusion1 decks5 decks
15%synergy
Alchemist's Refuge
20%inclusion1 decks5 decks
14%synergy
Urborg, Tomb of Yawgmoth
20%inclusion1 decks5 decks
11%synergy
Mosswort Bridge
20%inclusion1 decks5 decks
10%synergy
Otawara, Soaring City
20%inclusion1 decks5 decks
4%synergy
Mana Artifacts
Sol Ring
100%inclusion5 decks5 decks
16%synergy
Everflowing Chalice
40%inclusion2 decks5 decks
36%synergy
Arcane Signet
40%inclusion2 decks5 decks
-32%synergy
Talisman of Resilience
25%inclusion1 decks4 decks
13%synergy
Dimir Signet
25%inclusion1 decks4 decks
1%synergy
Talisman of Dominance
25%inclusion1 decks4 decks
-7%synergy
Empowered Autogenerator
20%inclusion1 decks5 decks
20%synergy
Coalition Relic
20%inclusion1 decks5 decks
20%synergy
Replicating Ring
20%inclusion1 decks5 decks
19%synergy
Staff of Compleation
20%inclusion1 decks5 decks
19%synergy
Talisman of Curiosity
20%inclusion1 decks5 decks
8%synergy
Fellwar Stone
20%inclusion1 decks5 decks
0%synergy
Lands
Command Tower
100%inclusion5 decks5 decks
26%synergy
Hinterland Harbor
80%inclusion4 decks5 decks
46%synergy
Exotic Orchard
80%inclusion4 decks5 decks
43%synergy
Vivid Marsh
75%inclusion3 decks4 decks
74%synergy
Drowned Catacomb
75%inclusion3 decks4 decks
46%synergy
Woodland Cemetery
75%inclusion3 decks4 decks
42%synergy
Seaside Citadel
67%inclusion2 decks3 decks
40%synergy
Sunpetal Grove
67%inclusion2 decks3 decks
38%synergy
Glacial Fortress
67%inclusion2 decks3 decks
33%synergy
Temple Garden
67%inclusion2 decks3 decks
27%synergy
Vivid Creek
60%inclusion3 decks5 decks
59%synergy
Vivid Grove
60%inclusion3 decks5 decks
59%synergy
Yavimaya Coast
60%inclusion3 decks5 decks
33%synergy
Llanowar Wastes
50%inclusion2 decks4 decks
23%synergy
Opulent Palace
50%inclusion2 decks4 decks
22%synergy
Isolated Chapel
50%inclusion1 decks2 decks
16%synergy
Overgrown Tomb
50%inclusion2 decks4 decks
9%synergy
Dreamroot Cascade
40%inclusion2 decks5 decks
18%synergy
Rejuvenating Springs
40%inclusion2 decks5 decks
14%synergy
Breeding Pool
40%inclusion2 decks5 decks
-2%synergy
Vivid Meadow
33%inclusion1 decks3 decks
33%synergy
Tranquil Landscape
33%inclusion1 decks3 decks
26%synergy
Temple of Plenty
33%inclusion1 decks3 decks
21%synergy
Sungrass Prairie
33%inclusion1 decks3 decks
20%synergy
Temple of Enlightenment
33%inclusion1 decks3 decks
17%synergy
Brushland
33%inclusion1 decks3 decks
13%synergy
Spara's Headquarters
33%inclusion1 decks3 decks
6%synergy
Prairie Stream
33%inclusion1 decks3 decks
1%synergy
Canopy Vista
33%inclusion1 decks3 decks
-2%synergy
Hallowed Fountain
33%inclusion1 decks3 decks
-7%synergy
Nurturing Peatland
25%inclusion1 decks4 decks
20%synergy
Darkbore Pathway
25%inclusion1 decks4 decks
19%synergy
Clearwater Pathway
25%inclusion1 decks4 decks
18%synergy
Jungle Hollow
25%inclusion1 decks4 decks
16%synergy
Tainted Isle
25%inclusion1 decks4 decks
14%synergy
Necroblossom Snarl
25%inclusion1 decks4 decks
14%synergy
Deathcap Glade
25%inclusion1 decks4 decks
12%synergy
Shipwreck Marsh
25%inclusion1 decks4 decks
7%synergy
Zagoth Triome
25%inclusion1 decks4 decks
-2%synergy
Sunken Hollow
25%inclusion1 decks4 decks
-8%synergy
Tendo Ice Bridge
20%inclusion1 decks5 decks
20%synergy
Bant Panorama
20%inclusion1 decks5 decks
20%synergy
Gemstone Mine
20%inclusion1 decks5 decks
20%synergy
Ancient Ziggurat
20%inclusion1 decks5 decks
19%synergy
Unclaimed Territory
20%inclusion1 decks5 decks
16%synergy
Reflecting Pool
20%inclusion1 decks5 decks
15%synergy
Tangled Islet
20%inclusion1 decks5 decks
15%synergy
Waterlogged Grove
20%inclusion1 decks5 decks
14%synergy
Barkchannel Pathway
20%inclusion1 decks5 decks
14%synergy
Overflowing Basin
20%inclusion1 decks5 decks
12%synergy