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
Xavier Sal, Infested Captain
0.0%inclusion3 decks7.73K decks
Atraxa, Praetors' Voice
0.0%inclusion2 decks39K decks
Rubinia Soulsinger
0.1%inclusion1 decks897 decks
High Synergy Cards
Deathspore Thallid
100%inclusion5 decks5 decks
100%synergy
Slimefoot, the Stowaway
100%inclusion5 decks5 decks
99%synergy
Savage Thallid
83%inclusion5 decks6 decks
83%synergy
Thallid Germinator
83%inclusion5 decks6 decks
83%synergy
Thallid Shell-Dweller
83%inclusion5 decks6 decks
83%synergy
Thallid
83%inclusion5 decks6 decks
83%synergy
Sporesower Thallid
83%inclusion5 decks6 decks
83%synergy
Psychotrope Thallid
83%inclusion5 decks6 decks
83%synergy
Utopia Mycon
83%inclusion5 decks6 decks
83%synergy
Mycoloth
83%inclusion5 decks6 decks
82%synergy
Top Cards
Evolution Sage
83%inclusion5 decks6 decks
77%synergy
Doubling Season
83%inclusion5 decks6 decks
74%synergy
Thelon of Havenwood
80%inclusion4 decks5 decks
80%synergy
Vitaspore Thallid
67%inclusion4 decks6 decks
66%synergy
Fungal Plots
67%inclusion4 decks6 decks
66%synergy
Inexorable Tide
67%inclusion4 decks6 decks
64%synergy
Skullclamp
67%inclusion4 decks6 decks
56%synergy
Game Changers
Enlightened Tutor
33%inclusion1 decks3 decks
18%synergy
Demonic Tutor
20%inclusion1 decks5 decks
0%synergy
Field of the Dead
17%inclusion1 decks6 decks
14%synergy
Cyclonic Rift
17%inclusion1 decks6 decks
-6%synergy
Creatures
Mycologist
67%inclusion2 decks3 decks
67%synergy
Pallid Mycoderm
67%inclusion2 decks3 decks
67%synergy
Winding Constrictor
60%inclusion3 decks5 decks
56%synergy
Thallid Devourer
50%inclusion3 decks6 decks
50%synergy
Spore Flower
50%inclusion3 decks6 decks
50%synergy
Tayam, Luminous Enigma
50%inclusion1 decks2 decks
50%synergy
Ghave, Guru of Spores
50%inclusion1 decks2 decks
49%synergy
Sporecrown Thallid
50%inclusion3 decks6 decks
49%synergy
Tendershoot Dryad
50%inclusion3 decks6 decks
48%synergy
Tekuthal, Inquiry Dominus
50%inclusion3 decks6 decks
48%synergy
Ezuri, Stalker of Spheres
50%inclusion3 decks6 decks
47%synergy
Adrix and Nev, Twincasters
50%inclusion3 decks6 decks
45%synergy
Thallid Omnivore
40%inclusion2 decks5 decks
40%synergy
Thallid Soothsayer
40%inclusion2 decks5 decks
40%synergy
Nemata, Primeval Warden
40%inclusion2 decks5 decks
38%synergy
Elvish Farmer
33%inclusion2 decks6 decks
33%synergy
Plaguemaw Beast
33%inclusion2 decks6 decks
33%synergy
Nemata, Grove Guardian
33%inclusion2 decks6 decks
33%synergy
Verdeloth the Ancient
33%inclusion2 decks6 decks
33%synergy
Thelonite Hermit
33%inclusion2 decks6 decks
33%synergy
Pir, Imaginative Rascal
33%inclusion2 decks6 decks
33%synergy
Verdant Force
33%inclusion2 decks6 decks
33%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
Enduring Innocence
33%inclusion1 decks3 decks
29%synergy
Ojer Taq, Deepest Foundation
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
Sakura-Tribe Elder
33%inclusion2 decks6 decks
17%synergy
Marionette Apprentice
25%inclusion1 decks4 decks
20%synergy
Deathbloom Thallid
20%inclusion1 decks5 decks
20%synergy
Xavier Sal, Infested Captain
20%inclusion1 decks5 decks
19%synergy
Species Specialist
20%inclusion1 decks5 decks
19%synergy
Creakwood Liege
20%inclusion1 decks5 decks
19%synergy
Twitching Doll
20%inclusion1 decks5 decks
18%synergy
Dreamtide Whale
20%inclusion1 decks5 decks
17%synergy
Yawgmoth, Thran Physician
20%inclusion1 decks5 decks
17%synergy
Nadier's Nightblade
20%inclusion1 decks5 decks
16%synergy
Meren of Clan Nel Toth
20%inclusion1 decks5 decks
16%synergy
Zulaport Cutthroat
20%inclusion1 decks5 decks
11%synergy
Mirkwood Bats
20%inclusion1 decks5 decks
11%synergy
Blood Artist
20%inclusion1 decks5 decks
8%synergy
Mindbender Spores
17%inclusion1 decks6 decks
17%synergy
Instants
Golgari Charm
40%inclusion2 decks5 decks
35%synergy
Assassin's Trophy
40%inclusion2 decks5 decks
10%synergy
Experimental Augury
33%inclusion2 decks6 decks
31%synergy
Ripples of Potential
33%inclusion2 decks6 decks
31%synergy
Flare of Fortitude
33%inclusion1 decks3 decks
29%synergy
Krosan Grip
33%inclusion2 decks6 decks
28%synergy
Beast Within
33%inclusion2 decks6 decks
-1%synergy
Counterspell
33%inclusion2 decks6 decks
-9%synergy
Fungal Infection
20%inclusion1 decks5 decks
20%synergy
Power Word Kill
20%inclusion1 decks5 decks
20%synergy
Whisper of the Dross
20%inclusion1 decks5 decks
19%synergy
Doom Blade
20%inclusion1 decks5 decks
18%synergy
Plumb the Forbidden
20%inclusion1 decks5 decks
17%synergy
Go for the Throat
20%inclusion1 decks5 decks
13%synergy
Infernal Grasp
20%inclusion1 decks5 decks
13%synergy
Abrupt Decay
20%inclusion1 decks5 decks
10%synergy
Dark Ritual
20%inclusion1 decks5 decks
-4%synergy
Spore Swarm
17%inclusion1 decks6 decks
16%synergy
Winds of Qal Sisma
17%inclusion1 decks6 decks
16%synergy
Sprout Swarm
17%inclusion1 decks6 decks
16%synergy
Steady Progress
17%inclusion1 decks6 decks
16%synergy
Serum Snare
17%inclusion1 decks6 decks
16%synergy
Mystic Reflection
17%inclusion1 decks6 decks
16%synergy
See Double
17%inclusion1 decks6 decks
15%synergy
Naturalize
17%inclusion1 decks6 decks
15%synergy
Gaea's Gift
17%inclusion1 decks6 decks
14%synergy
Mutational Advantage
17%inclusion1 decks6 decks
13%synergy
Snakeskin Veil
17%inclusion1 decks6 decks
11%synergy
Pongify
17%inclusion1 decks6 decks
5%synergy
Negate
17%inclusion1 decks6 decks
-4%synergy
Heroic Intervention
17%inclusion1 decks6 decks
-14%synergy
Sorceries
Rampant Growth
50%inclusion3 decks6 decks
17%synergy
Cultivate
50%inclusion3 decks6 decks
7%synergy
Supply // Demand
33%inclusion1 decks3 decks
33%synergy
Tezzeret's Gambit
33%inclusion2 decks6 decks
30%synergy
Farseek
33%inclusion2 decks6 decks
-2%synergy
Gruesome Fate
20%inclusion1 decks5 decks
20%synergy
Damnation
20%inclusion1 decks5 decks
13%synergy
Culling Ritual
20%inclusion1 decks5 decks
9%synergy
Toxic Deluge
20%inclusion1 decks5 decks
2%synergy
Saproling Migration
17%inclusion1 decks6 decks
16%synergy
Replication Technique
17%inclusion1 decks6 decks
16%synergy
Contentious Plan
17%inclusion1 decks6 decks
15%synergy
Thirsting Roots
17%inclusion1 decks6 decks
15%synergy
Overrun
17%inclusion1 decks6 decks
15%synergy
Unnatural Restoration
17%inclusion1 decks6 decks
14%synergy
Shamanic Revelation
17%inclusion1 decks6 decks
9%synergy
Rishkar's Expertise
17%inclusion1 decks6 decks
7%synergy
Kodama's Reach
17%inclusion1 decks6 decks
-11%synergy
Nature's Lore
17%inclusion1 decks6 decks
-15%synergy
Utility Artifacts
Druidic Satchel
33%inclusion2 decks6 decks
33%synergy
Mercadian Lift
17%inclusion1 decks6 decks
17%synergy
Oracle's Vault
17%inclusion1 decks6 decks
17%synergy
Prototype Portal
17%inclusion1 decks6 decks
17%synergy
Grimoire of the Dead
17%inclusion1 decks6 decks
16%synergy
Obelisk of Urd
17%inclusion1 decks6 decks
16%synergy
Contagion Engine
17%inclusion1 decks6 decks
16%synergy
Contagion Clasp
17%inclusion1 decks6 decks
16%synergy
Illusionist's Bracers
17%inclusion1 decks6 decks
16%synergy
Eldrazi Monument
17%inclusion1 decks6 decks
16%synergy
The Ozolith
17%inclusion1 decks6 decks
13%synergy
The Great Henge
17%inclusion1 decks6 decks
7%synergy
Enchantments
Parallel Lives
50%inclusion3 decks6 decks
43%synergy
Insidious Roots
40%inclusion2 decks5 decks
34%synergy
Bastion of Remembrance
40%inclusion2 decks5 decks
33%synergy
Moldervine Reclamation
40%inclusion2 decks5 decks
33%synergy
Parallax Wave
33%inclusion1 decks3 decks
33%synergy
Resourceful Defense
33%inclusion1 decks3 decks
32%synergy
Intruder Alarm
33%inclusion2 decks6 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
27%synergy
Anointed Procession
33%inclusion1 decks3 decks
26%synergy
Chthonian Nightmare
25%inclusion1 decks4 decks
23%synergy
Necrogenesis
20%inclusion1 decks5 decks
19%synergy
Attrition
20%inclusion1 decks5 decks
19%synergy
Fungal Bloom
17%inclusion1 decks6 decks
17%synergy
Hibernation's End
17%inclusion1 decks6 decks
17%synergy
Saproling Burst
17%inclusion1 decks6 decks
17%synergy
Ensoul Artifact
17%inclusion1 decks6 decks
17%synergy
Sporogenesis
17%inclusion1 decks6 decks
17%synergy
Mana Bloom
17%inclusion1 decks6 decks
16%synergy
In Search of Greatness
17%inclusion1 decks6 decks
16%synergy
Earthcraft
17%inclusion1 decks6 decks
16%synergy
Evolutionary Leap
17%inclusion1 decks6 decks
15%synergy
Pemmin's Aura
17%inclusion1 decks6 decks
15%synergy
Zendikar Resurgent
17%inclusion1 decks6 decks
15%synergy
Freed from the Real
17%inclusion1 decks6 decks
15%synergy
Retreat to Coralhelm
17%inclusion1 decks6 decks
15%synergy
Cryptolith Rite
17%inclusion1 decks6 decks
13%synergy
Reflections of Littjara
17%inclusion1 decks6 decks
12%synergy
Beastmaster Ascension
17%inclusion1 decks6 decks
11%synergy
Growing Rites of Itlimoc
17%inclusion1 decks6 decks
11%synergy
Hardened Scales
17%inclusion1 decks6 decks
7%synergy
Wild Growth
17%inclusion1 decks6 decks
6%synergy
Mystic Remora
17%inclusion1 decks6 decks
0%synergy
Planeswalkers
Vraska, Betrayal's Sting
60%inclusion3 decks5 decks
58%synergy
Vraska, Golgari Queen
40%inclusion2 decks5 decks
38%synergy
Nissa, Voice of Zendikar
33%inclusion2 decks6 decks
33%synergy
Elspeth, Storm Slayer
33%inclusion1 decks3 decks
29%synergy
Teferi, Time Raveler
33%inclusion1 decks3 decks
27%synergy
Wrenn and Realmbreaker
17%inclusion1 decks6 decks
15%synergy
Utility Lands
Karn's Bastion
50%inclusion3 decks6 decks
45%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
25%synergy
Bottomless Vault
20%inclusion1 decks5 decks
20%synergy
Peat Bog
20%inclusion1 decks5 decks
20%synergy
Dreadship Reef
20%inclusion1 decks5 decks
19%synergy
Three Tree City
20%inclusion1 decks5 decks
15%synergy
Throne of Makindi
17%inclusion1 decks6 decks
17%synergy
Hollow Trees
17%inclusion1 decks6 decks
17%synergy
Magosi, the Waterveil
17%inclusion1 decks6 decks
17%synergy
Mystifying Maze
17%inclusion1 decks6 decks
16%synergy
Saprazzan Skerry
17%inclusion1 decks6 decks
16%synergy
Hickory Woodlot
17%inclusion1 decks6 decks
16%synergy
Wirewood Lodge
17%inclusion1 decks6 decks
15%synergy
Maze of Ith
17%inclusion1 decks6 decks
14%synergy
Oran-Rief, the Vastwood
17%inclusion1 decks6 decks
13%synergy
Alchemist's Refuge
17%inclusion1 decks6 decks
11%synergy
Urborg, Tomb of Yawgmoth
17%inclusion1 decks6 decks
8%synergy
Mosswort Bridge
17%inclusion1 decks6 decks
6%synergy
Otawara, Soaring City
17%inclusion1 decks6 decks
0%synergy
Mana Artifacts
Sol Ring
100%inclusion6 decks6 decks
16%synergy
Everflowing Chalice
33%inclusion2 decks6 decks
29%synergy
Arcane Signet
33%inclusion2 decks6 decks
-39%synergy
Talisman of Resilience
20%inclusion1 decks5 decks
7%synergy
Dimir Signet
20%inclusion1 decks5 decks
-5%synergy
Talisman of Dominance
20%inclusion1 decks5 decks
-13%synergy
Empowered Autogenerator
17%inclusion1 decks6 decks
16%synergy
Coalition Relic
17%inclusion1 decks6 decks
16%synergy
Staff of Compleation
17%inclusion1 decks6 decks
16%synergy
Replicating Ring
17%inclusion1 decks6 decks
15%synergy
Talisman of Curiosity
17%inclusion1 decks6 decks
4%synergy
Fellwar Stone
17%inclusion1 decks6 decks
-4%synergy
Lands
Command Tower
100%inclusion6 decks6 decks
26%synergy
Hinterland Harbor
83%inclusion5 decks6 decks
51%synergy
Drowned Catacomb
80%inclusion4 decks5 decks
51%synergy
Woodland Cemetery
80%inclusion4 decks5 decks
49%synergy
Seaside Citadel
67%inclusion2 decks3 decks
40%synergy
Yavimaya Coast
67%inclusion4 decks6 decks
39%synergy
Sunpetal Grove
67%inclusion2 decks3 decks
39%synergy
Glacial Fortress
67%inclusion2 decks3 decks
34%synergy
Exotic Orchard
67%inclusion4 decks6 decks
30%synergy
Temple Garden
67%inclusion2 decks3 decks
28%synergy
Vivid Marsh
60%inclusion3 decks5 decks
59%synergy
Llanowar Wastes
60%inclusion3 decks5 decks
33%synergy
Opulent Palace
60%inclusion3 decks5 decks
32%synergy
Vivid Creek
50%inclusion3 decks6 decks
49%synergy
Vivid Grove
50%inclusion3 decks6 decks
49%synergy
Rejuvenating Springs
50%inclusion3 decks6 decks
23%synergy
Isolated Chapel
50%inclusion1 decks2 decks
17%synergy
Overgrown Tomb
40%inclusion2 decks5 decks
0%synergy
Vivid Meadow
33%inclusion1 decks3 decks
33%synergy
Tranquil Landscape
33%inclusion1 decks3 decks
25%synergy
Fabled Passage
33%inclusion2 decks6 decks
24%synergy
Temple of Plenty
33%inclusion1 decks3 decks
20%synergy
Sungrass Prairie
33%inclusion1 decks3 decks
20%synergy
Temple of Enlightenment
33%inclusion1 decks3 decks
17%synergy
Brushland
33%inclusion1 decks3 decks
14%synergy
Dreamroot Cascade
33%inclusion2 decks6 decks
12%synergy
Spara's Headquarters
33%inclusion1 decks3 decks
5%synergy
Prairie Stream
33%inclusion1 decks3 decks
0%synergy
Canopy Vista
33%inclusion1 decks3 decks
-3%synergy
Hallowed Fountain
33%inclusion1 decks3 decks
-6%synergy
Breeding Pool
33%inclusion2 decks6 decks
-8%synergy
Nurturing Peatland
20%inclusion1 decks5 decks
15%synergy
Darkbore Pathway
20%inclusion1 decks5 decks
13%synergy
Clearwater Pathway
20%inclusion1 decks5 decks
12%synergy
Jungle Hollow
20%inclusion1 decks5 decks
11%synergy
Tainted Isle
20%inclusion1 decks5 decks
9%synergy
Necroblossom Snarl
20%inclusion1 decks5 decks
9%synergy
Deathcap Glade
20%inclusion1 decks5 decks
7%synergy
Shipwreck Marsh
20%inclusion1 decks5 decks
2%synergy
Underground River
20%inclusion1 decks5 decks
-2%synergy
Undergrowth Stadium
20%inclusion1 decks5 decks
-4%synergy
Morphic Pool
20%inclusion1 decks5 decks
-5%synergy
Zagoth Triome
20%inclusion1 decks5 decks
-8%synergy
Sunken Hollow
20%inclusion1 decks5 decks
-14%synergy
Tendo Ice Bridge
17%inclusion1 decks6 decks
16%synergy
Bant Panorama
17%inclusion1 decks6 decks
16%synergy
Ancient Ziggurat
17%inclusion1 decks6 decks
16%synergy
Gemstone Mine
17%inclusion1 decks6 decks
16%synergy
Unclaimed Territory
17%inclusion1 decks6 decks
12%synergy
Reflecting Pool
17%inclusion1 decks6 decks
12%synergy