Sporoloth Ancient
Tainted Observer
Ashnod's Altar
Parallel Lives

   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%inclusion6 decks38.3K decks
Xavier Sal, Infested Captain
0.0%inclusion3 decks7.78K decks
High Synergy Cards
Pallid Mycoderm
100%inclusion6 decks6 decks
100%synergy
Savage Thallid
100%inclusion9 decks9 decks
100%synergy
Sporesower Thallid
100%inclusion9 decks9 decks
100%synergy
Deathspore Thallid
100%inclusion9 decks9 decks
100%synergy
Psychotrope Thallid
100%inclusion9 decks9 decks
100%synergy
Slimefoot, the Stowaway
100%inclusion9 decks9 decks
99%synergy
Mycoloth
89%inclusion8 decks9 decks
87%synergy
Mycologist
83%inclusion5 decks6 decks
83%synergy
Ghave, Guru of Spores
83%inclusion5 decks6 decks
83%synergy
Spore Flower
78%inclusion7 decks9 decks
78%synergy
Top Cards
Thallid Germinator
78%inclusion7 decks9 decks
77%synergy
Thallid Shell-Dweller
78%inclusion7 decks9 decks
77%synergy
Utopia Mycon
78%inclusion7 decks9 decks
77%synergy
Tekuthal, Inquiry Dominus
78%inclusion7 decks9 decks
75%synergy
Inexorable Tide
78%inclusion7 decks9 decks
75%synergy
Skullclamp
78%inclusion7 decks9 decks
67%synergy
Elvish Farmer
67%inclusion6 decks9 decks
67%synergy
Thallid Devourer
67%inclusion6 decks9 decks
67%synergy
Vitaspore Thallid
67%inclusion6 decks9 decks
66%synergy
Thelon of Havenwood
67%inclusion6 decks9 decks
66%synergy
Game Changers
Enlightened Tutor
33%inclusion2 decks6 decks
18%synergy
Demonic Tutor
33%inclusion3 decks9 decks
14%synergy
Vampiric Tutor
22%inclusion2 decks9 decks
7%synergy
Worldly Tutor
11%inclusion1 decks9 decks
-1%synergy
Fierce Guardianship
11%inclusion1 decks9 decks
-7%synergy
Cyclonic Rift
11%inclusion1 decks9 decks
-12%synergy
Rhystic Study
11%inclusion1 decks9 decks
-13%synergy
Creatures
Thallid
67%inclusion6 decks9 decks
66%synergy
Nemata, Primeval Warden
67%inclusion6 decks9 decks
65%synergy
Ezuri, Stalker of Spheres
67%inclusion6 decks9 decks
64%synergy
Xavier Sal, Infested Captain
56%inclusion5 decks9 decks
55%synergy
Tendershoot Dryad
56%inclusion5 decks9 decks
53%synergy
Adrix and Nev, Twincasters
56%inclusion5 decks9 decks
51%synergy
Lae'zel, Vlaakith's Champion
50%inclusion3 decks6 decks
47%synergy
Patrolling Peacemaker
50%inclusion2 decks4 decks
47%synergy
Ojer Taq, Deepest Foundation
50%inclusion3 decks6 decks
46%synergy
Thallid Soothsayer
44%inclusion4 decks9 decks
44%synergy
Thrummingbird
44%inclusion4 decks9 decks
41%synergy
Winding Constrictor
44%inclusion4 decks9 decks
41%synergy
Evolution Sage
44%inclusion4 decks9 decks
38%synergy
Mindbender Spores
33%inclusion3 decks9 decks
33%synergy
Sporecrown Thallid
33%inclusion3 decks9 decks
33%synergy
Brightcap Badger
33%inclusion2 decks6 decks
32%synergy
The Mycotyrant
33%inclusion3 decks9 decks
32%synergy
Yawgmoth, Thran Physician
33%inclusion3 decks9 decks
30%synergy
Mazirek, Kraul Death Priest
33%inclusion3 decks9 decks
30%synergy
Roaming Throne
33%inclusion3 decks9 decks
27%synergy
Mondrak, Glory Dominus
33%inclusion2 decks6 decks
27%synergy
Mirkwood Bats
33%inclusion3 decks9 decks
24%synergy
Tidus, Yuna's Guardian
25%inclusion1 decks4 decks
23%synergy
Metastatic Evangel
25%inclusion1 decks4 decks
23%synergy
Enduring Innocence
25%inclusion1 decks4 decks
21%synergy
Thallid Omnivore
22%inclusion2 decks9 decks
22%synergy
Swarm Shambler
22%inclusion2 decks9 decks
22%synergy
Plaguemaw Beast
22%inclusion2 decks9 decks
22%synergy
Nemata, Grove Guardian
22%inclusion2 decks9 decks
22%synergy
Verdeloth the Ancient
22%inclusion2 decks9 decks
22%synergy
Undercellar Myconid
22%inclusion2 decks9 decks
22%synergy
Species Specialist
22%inclusion2 decks9 decks
21%synergy
Sporemound
22%inclusion2 decks9 decks
21%synergy
Sakashima the Impostor
22%inclusion2 decks9 decks
20%synergy
Vorinclex, Monstrous Raider
22%inclusion2 decks9 decks
19%synergy
Meren of Clan Nel Toth
22%inclusion2 decks9 decks
18%synergy
Cankerbloom
22%inclusion2 decks9 decks
18%synergy
Corpsejack Menace
22%inclusion2 decks9 decks
17%synergy
Pitiless Plunderer
22%inclusion2 decks9 decks
14%synergy
Zulaport Cutthroat
22%inclusion2 decks9 decks
14%synergy
Ertai, the Corrupted
17%inclusion1 decks6 decks
17%synergy
Tayam, Luminous Enigma
17%inclusion1 decks6 decks
16%synergy
Norn's Choirmaster
17%inclusion1 decks6 decks
15%synergy
Grateful Apparition
17%inclusion1 decks6 decks
15%synergy
Twitching Doll
17%inclusion1 decks6 decks
15%synergy
Dreamtide Whale
17%inclusion1 decks6 decks
14%synergy
Marionette Apprentice
17%inclusion1 decks6 decks
12%synergy
Welcoming Vampire
17%inclusion1 decks6 decks
11%synergy
Elas il-Kor, Sadistic Pilgrim
17%inclusion1 decks6 decks
7%synergy
Thorn Thallid
11%inclusion1 decks9 decks
11%synergy
Instants
Aura Mutation
67%inclusion4 decks6 decks
63%synergy
Seed Spark
33%inclusion2 decks6 decks
33%synergy
Sprout Swarm
33%inclusion3 decks9 decks
33%synergy
Fuel for the Cause
33%inclusion3 decks9 decks
33%synergy
Mutational Advantage
33%inclusion2 decks6 decks
30%synergy
Atomize
33%inclusion2 decks6 decks
30%synergy
Dovin's Veto
33%inclusion2 decks6 decks
15%synergy
Arcane Denial
33%inclusion3 decks9 decks
13%synergy
Assassin's Trophy
33%inclusion3 decks9 decks
3%synergy
Flare of Fortitude
25%inclusion1 decks4 decks
21%synergy
Ripples of Potential
22%inclusion2 decks9 decks
20%synergy
Heroic Intervention
22%inclusion2 decks9 decks
-8%synergy
Ready // Willing
17%inclusion1 decks6 decks
16%synergy
And They Shall Know No Fear
17%inclusion1 decks6 decks
16%synergy
Deny the Witch
17%inclusion1 decks6 decks
15%synergy
Eladamri's Call
17%inclusion1 decks6 decks
7%synergy
Fungal Infection
11%inclusion1 decks9 decks
11%synergy
Spore Swarm
11%inclusion1 decks9 decks
11%synergy
Power Word Kill
11%inclusion1 decks9 decks
11%synergy
For the Ancestors
11%inclusion1 decks9 decks
11%synergy
Fungal Rebirth
11%inclusion1 decks9 decks
10%synergy
Whisper of the Dross
11%inclusion1 decks9 decks
10%synergy
Prologue to Phyresis
11%inclusion1 decks9 decks
10%synergy
Doom Blade
11%inclusion1 decks9 decks
9%synergy
Naturalize
11%inclusion1 decks9 decks
9%synergy
Experimental Augury
11%inclusion1 decks9 decks
9%synergy
Plumb the Forbidden
11%inclusion1 decks9 decks
9%synergy
Krosan Grip
11%inclusion1 decks9 decks
6%synergy
Go for the Throat
11%inclusion1 decks9 decks
4%synergy
Infernal Grasp
11%inclusion1 decks9 decks
4%synergy
Abrupt Decay
11%inclusion1 decks9 decks
1%synergy
Pongify
11%inclusion1 decks9 decks
0%synergy
Deadly Dispute
11%inclusion1 decks9 decks
-1%synergy
Deadly Rollick
11%inclusion1 decks9 decks
-2%synergy
Mana Drain
11%inclusion1 decks9 decks
-4%synergy
Putrefy
11%inclusion1 decks9 decks
-5%synergy
Swan Song
11%inclusion1 decks9 decks
-6%synergy
Beast Within
11%inclusion1 decks9 decks
-24%synergy
Counterspell
11%inclusion1 decks9 decks
-31%synergy
Sorceries
Cultivate
44%inclusion4 decks9 decks
1%synergy
Saproling Symbiosis
33%inclusion3 decks9 decks
33%synergy
Damning Verdict
33%inclusion2 decks6 decks
31%synergy
Tezzeret's Gambit
33%inclusion3 decks9 decks
30%synergy
Distant Melody
33%inclusion3 decks9 decks
29%synergy
Thirsting Roots
22%inclusion2 decks9 decks
21%synergy
Drown in Ichor
22%inclusion2 decks9 decks
21%synergy
Diabolic Intent
22%inclusion2 decks9 decks
14%synergy
Rampant Growth
22%inclusion2 decks9 decks
-11%synergy
Farseek
22%inclusion2 decks9 decks
-13%synergy
Supply // Demand
17%inclusion1 decks6 decks
16%synergy
Altar of Bone
17%inclusion1 decks6 decks
16%synergy
Rite of Oblivion
17%inclusion1 decks6 decks
14%synergy
Eerie Ultimatum
17%inclusion1 decks6 decks
5%synergy
Saproling Migration
11%inclusion1 decks9 decks
11%synergy
Gruesome Fate
11%inclusion1 decks9 decks
11%synergy
Eaten Alive
11%inclusion1 decks9 decks
10%synergy
Sylvan Tutor
11%inclusion1 decks9 decks
10%synergy
Unnatural Restoration
11%inclusion1 decks9 decks
9%synergy
Triumph of the Hordes
11%inclusion1 decks9 decks
8%synergy
Raise the Palisade
11%inclusion1 decks9 decks
8%synergy
Kindred Dominance
11%inclusion1 decks9 decks
7%synergy
Toxic Deluge
11%inclusion1 decks9 decks
-7%synergy
Three Visits
11%inclusion1 decks9 decks
-13%synergy
Kodama's Reach
11%inclusion1 decks9 decks
-17%synergy
Utility Artifacts
Contagion Engine
44%inclusion4 decks9 decks
44%synergy
Swiftfoot Boots
44%inclusion4 decks9 decks
17%synergy
Contagion Clasp
33%inclusion3 decks9 decks
32%synergy
Phyrexian Altar
33%inclusion3 decks9 decks
30%synergy
Coat of Arms
22%inclusion2 decks9 decks
21%synergy
Mercadian Lift
11%inclusion1 decks9 decks
11%synergy
Oracle's Vault
11%inclusion1 decks9 decks
11%synergy
Grimoire of the Dead
11%inclusion1 decks9 decks
11%synergy
Obelisk of Urd
11%inclusion1 decks9 decks
11%synergy
Thornbite Staff
11%inclusion1 decks9 decks
10%synergy
Eldrazi Monument
11%inclusion1 decks9 decks
10%synergy
Door of Destinies
11%inclusion1 decks9 decks
10%synergy
Thousand-Year Elixir
11%inclusion1 decks9 decks
9%synergy
The Ozolith
11%inclusion1 decks9 decks
8%synergy
Herald's Horn
11%inclusion1 decks9 decks
5%synergy
Lightning Greaves
11%inclusion1 decks9 decks
-14%synergy
Enchantments
Doubling Season
67%inclusion6 decks9 decks
57%synergy
Renewed Solidarity
50%inclusion2 decks4 decks
48%synergy
Fungal Plots
44%inclusion4 decks9 decks
44%synergy
Primal Vigor
44%inclusion4 decks9 decks
41%synergy
Fungal Bloom
33%inclusion3 decks9 decks
33%synergy
Reflections of Littjara
33%inclusion3 decks9 decks
29%synergy
Innkeeper's Talent
33%inclusion2 decks6 decks
29%synergy
Brokers Ascendancy
33%inclusion2 decks6 decks
28%synergy
Anointed Procession
33%inclusion2 decks6 decks
26%synergy
Caretaker's Talent
25%inclusion1 decks4 decks
20%synergy
Life and Limb
22%inclusion2 decks9 decks
22%synergy
Attrition
22%inclusion2 decks9 decks
22%synergy
Necrogenesis
22%inclusion2 decks9 decks
22%synergy
Evolutionary Leap
22%inclusion2 decks9 decks
21%synergy
Paradox Haze
22%inclusion2 decks9 decks
21%synergy
Intruder Alarm
22%inclusion2 decks9 decks
20%synergy
Dictate of Erebos
22%inclusion2 decks9 decks
19%synergy
Cryptolith Rite
22%inclusion2 decks9 decks
19%synergy
Growing Rites of Itlimoc
22%inclusion2 decks9 decks
17%synergy
Moldervine Reclamation
22%inclusion2 decks9 decks
15%synergy
Parallax Wave
17%inclusion1 decks6 decks
16%synergy
Call for Unity
17%inclusion1 decks6 decks
16%synergy
Chthonian Nightmare
17%inclusion1 decks6 decks
15%synergy
Resourceful Defense
17%inclusion1 decks6 decks
15%synergy
Cathars' Crusade
17%inclusion1 decks6 decks
11%synergy
Mirari's Wake
17%inclusion1 decks6 decks
6%synergy
Hibernation's End
11%inclusion1 decks9 decks
11%synergy
Sporogenesis
11%inclusion1 decks9 decks
11%synergy
Saproling Cluster
11%inclusion1 decks9 decks
11%synergy
Mana Bloom
11%inclusion1 decks9 decks
11%synergy
Perilous Forays
11%inclusion1 decks9 decks
11%synergy
Earthcraft
11%inclusion1 decks9 decks
10%synergy
Arcane Adaptation
11%inclusion1 decks9 decks
10%synergy
The Meathook Massacre
11%inclusion1 decks9 decks
6%synergy
Bastion of Remembrance
11%inclusion1 decks9 decks
5%synergy
Kindred Discovery
11%inclusion1 decks9 decks
4%synergy
Sylvan Library
11%inclusion1 decks9 decks
2%synergy
Hardened Scales
11%inclusion1 decks9 decks
1%synergy
Planeswalkers
Elspeth, Storm Slayer
75%inclusion3 decks4 decks
70%synergy
Vraska, Betrayal's Sting
44%inclusion4 decks9 decks
42%synergy
Huatli, Radiant Champion
33%inclusion2 decks6 decks
33%synergy
Nissa, Ascended Animist
11%inclusion1 decks9 decks
10%synergy
Wrenn and Realmbreaker
11%inclusion1 decks9 decks
10%synergy
Vraska, Golgari Queen
11%inclusion1 decks9 decks
9%synergy
Tyvar, Jubilant Brawler
11%inclusion1 decks9 decks
8%synergy
Liliana, Dreadhorde General
11%inclusion1 decks9 decks
7%synergy
Utility Lands
Karn's Bastion
67%inclusion6 decks9 decks
62%synergy
Yavimaya, Cradle of Growth
44%inclusion4 decks9 decks
36%synergy
Reliquary Tower
44%inclusion4 decks9 decks
14%synergy
Peat Bog
33%inclusion3 decks9 decks
33%synergy
Hickory Woodlot
33%inclusion3 decks9 decks
33%synergy
Nesting Grounds
33%inclusion3 decks9 decks
31%synergy
Gavony Township
33%inclusion2 decks6 decks
25%synergy
Otawara, Soaring City
22%inclusion2 decks9 decks
6%synergy
Fountain of Cho
17%inclusion1 decks6 decks
17%synergy
Icatian Store
17%inclusion1 decks6 decks
17%synergy
Calciform Pools
17%inclusion1 decks6 decks
16%synergy
Vitu-Ghazi, the City-Tree
17%inclusion1 decks6 decks
16%synergy
Hall of Heliod's Generosity
17%inclusion1 decks6 decks
10%synergy
Throne of Makindi
11%inclusion1 decks9 decks
11%synergy
Hollow Trees
11%inclusion1 decks9 decks
11%synergy
Bottomless Vault
11%inclusion1 decks9 decks
11%synergy
Magosi, the Waterveil
11%inclusion1 decks9 decks
11%synergy
Saprazzan Skerry
11%inclusion1 decks9 decks
11%synergy
Dreadship Reef
11%inclusion1 decks9 decks
11%synergy
Maze of Ith
11%inclusion1 decks9 decks
8%synergy
Oran-Rief, the Vastwood
11%inclusion1 decks9 decks
7%synergy
Urborg, Tomb of Yawgmoth
11%inclusion1 decks9 decks
2%synergy
Boseiju, Who Endures
11%inclusion1 decks9 decks
-8%synergy
Mana Artifacts
Arcane Signet
67%inclusion6 decks9 decks
-6%synergy
Sol Ring
67%inclusion6 decks9 decks
-17%synergy
Staff of Compleation
44%inclusion4 decks9 decks
43%synergy
Everflowing Chalice
33%inclusion3 decks9 decks
29%synergy
The Eternity Elevator
25%inclusion1 decks4 decks
24%synergy
Replicating Ring
22%inclusion2 decks9 decks
21%synergy
Chromatic Lantern
22%inclusion2 decks9 decks
13%synergy
Talisman of Resilience
22%inclusion2 decks9 decks
10%synergy
Talisman of Curiosity
22%inclusion2 decks9 decks
9%synergy
Fellwar Stone
22%inclusion2 decks9 decks
2%synergy
Patchwork Banner
17%inclusion1 decks6 decks
12%synergy
Pillar of Origins
11%inclusion1 decks9 decks
11%synergy
Empowered Autogenerator
11%inclusion1 decks9 decks
11%synergy
Coalition Relic
11%inclusion1 decks9 decks
11%synergy
Astral Cornucopia
11%inclusion1 decks9 decks
10%synergy
Commander's Sphere
11%inclusion1 decks9 decks
-2%synergy
Dimir Signet
11%inclusion1 decks9 decks
-15%synergy
Talisman of Dominance
11%inclusion1 decks9 decks
-22%synergy
Lands
Command Tower
89%inclusion8 decks9 decks
15%synergy
Exotic Orchard
67%inclusion6 decks9 decks
30%synergy
Overgrown Tomb
56%inclusion5 decks9 decks
15%synergy
Vivid Meadow
50%inclusion3 decks6 decks
49%synergy
Seaside Citadel
50%inclusion3 decks6 decks
23%synergy
Temple Garden
50%inclusion3 decks6 decks
11%synergy
Vivid Marsh
44%inclusion4 decks9 decks
44%synergy
Vivid Creek
44%inclusion4 decks9 decks
44%synergy
Vivid Grove
44%inclusion4 decks9 decks
44%synergy
Reflecting Pool
44%inclusion4 decks9 decks
39%synergy
Woodland Cemetery
44%inclusion4 decks9 decks
13%synergy
Hinterland Harbor
44%inclusion4 decks9 decks
12%synergy
Breeding Pool
44%inclusion4 decks9 decks
3%synergy
Gemstone Mine
33%inclusion3 decks9 decks
33%synergy
Deathcap Glade
33%inclusion3 decks9 decks
20%synergy
Terramorphic Expanse
33%inclusion3 decks9 decks
18%synergy
Evolving Wilds
33%inclusion3 decks9 decks
13%synergy
Dreamroot Cascade
33%inclusion3 decks9 decks
12%synergy
Sandsteppe Citadel
33%inclusion2 decks6 decks
8%synergy
Arcane Sanctum
33%inclusion2 decks6 decks
5%synergy
Zagoth Triome
33%inclusion3 decks9 decks
5%synergy
Drowned Catacomb
33%inclusion3 decks9 decks
5%synergy
Tranquil Landscape
25%inclusion1 decks4 decks
17%synergy
Fabled Passage
22%inclusion2 decks9 decks
13%synergy
Marsh Flats
22%inclusion2 decks9 decks
12%synergy
Verdant Catacombs
22%inclusion2 decks9 decks
11%synergy
Misty Rainforest
22%inclusion2 decks9 decks
11%synergy
Polluted Delta
22%inclusion2 decks9 decks
10%synergy
Flooded Grove
22%inclusion2 decks9 decks
7%synergy
Shipwreck Marsh
22%inclusion2 decks9 decks
4%synergy
Undergrowth Stadium
22%inclusion2 decks9 decks
-2%synergy
Llanowar Wastes
22%inclusion2 decks9 decks
-4%synergy
Rejuvenating Springs
22%inclusion2 decks9 decks
-5%synergy
Yavimaya Coast
22%inclusion2 decks9 decks
-5%synergy
Watery Grave
22%inclusion2 decks9 decks
-19%synergy
Wooded Bastion
17%inclusion1 decks6 decks
13%synergy
Overflowing Basin
17%inclusion1 decks6 decks
9%synergy
Sungrass Prairie
17%inclusion1 decks6 decks
3%synergy
Shattered Sanctum
17%inclusion1 decks6 decks
2%synergy
Deserted Beach
17%inclusion1 decks6 decks
-1%synergy
Overgrown Farmland
17%inclusion1 decks6 decks
-1%synergy
Brushland
17%inclusion1 decks6 decks
-2%synergy
Bountiful Promenade
17%inclusion1 decks6 decks
-6%synergy
Raffine's Tower
17%inclusion1 decks6 decks
-8%synergy
Sunpetal Grove
17%inclusion1 decks6 decks
-11%synergy
Indatha Triome
17%inclusion1 decks6 decks
-11%synergy
Spara's Headquarters
17%inclusion1 decks6 decks
-12%synergy
Glacial Fortress
17%inclusion1 decks6 decks
-15%synergy
Isolated Chapel
17%inclusion1 decks6 decks
-16%synergy
Canopy Vista
17%inclusion1 decks6 decks
-20%synergy