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%inclusion18 decks7.73K decks
Atraxa, Praetors' Voice
0.0%inclusion8 decks39K decks
Adrix and Nev, Twincasters
0.0%inclusion1 decks7.92K decks
High Synergy Cards
Sporesower Thallid
100%inclusion27 decks27 decks
100%synergy
Slimefoot, the Stowaway
96%inclusion25 decks26 decks
95%synergy
Psychotrope Thallid
93%inclusion25 decks27 decks
92%synergy
Deathspore Thallid
92%inclusion24 decks26 decks
92%synergy
Utopia Mycon
89%inclusion24 decks27 decks
88%synergy
Lae'zel, Vlaakith's Champion
88%inclusion7 decks8 decks
85%synergy
Thallid
85%inclusion23 decks27 decks
85%synergy
Mycoloth
85%inclusion23 decks27 decks
84%synergy
Vitaspore Thallid
81%inclusion22 decks27 decks
81%synergy
Thelon of Havenwood
81%inclusion21 decks26 decks
80%synergy
Top Cards
Thallid Germinator
78%inclusion21 decks27 decks
77%synergy
Nemata, Primeval Warden
77%inclusion20 decks26 decks
75%synergy
Pallid Mycoderm
75%inclusion6 decks8 decks
75%synergy
Savage Thallid
74%inclusion20 decks27 decks
74%synergy
Thallid Shell-Dweller
74%inclusion20 decks27 decks
74%synergy
Ezuri, Stalker of Spheres
74%inclusion20 decks27 decks
72%synergy
Winding Constrictor
73%inclusion19 decks26 decks
69%synergy
Tendershoot Dryad
70%inclusion19 decks27 decks
68%synergy
Elvish Farmer
67%inclusion18 decks27 decks
67%synergy
Thallid Devourer
67%inclusion18 decks27 decks
67%synergy
Game Changers
Cyclonic Rift
19%inclusion5 decks27 decks
-4%synergy
Creatures
Brightcap Badger
67%inclusion12 decks18 decks
66%synergy
Spore Flower
63%inclusion17 decks27 decks
63%synergy
Mycologist
63%inclusion5 decks8 decks
62%synergy
Ghave, Guru of Spores
63%inclusion5 decks8 decks
62%synergy
Evolution Sage
59%inclusion16 decks27 decks
53%synergy
Sporecrown Thallid
48%inclusion13 decks27 decks
48%synergy
Shroofus Sproutsire
47%inclusion7 decks15 decks
46%synergy
Cankerbloom
44%inclusion12 decks27 decks
40%synergy
Dreamtide Whale
42%inclusion8 decks19 decks
39%synergy
Pir, Imaginative Rascal
41%inclusion11 decks27 decks
40%synergy
The Mycotyrant
38%inclusion10 decks26 decks
37%synergy
Ojer Taq, Deepest Foundation
38%inclusion3 decks8 decks
33%synergy
Elas il-Kor, Sadistic Pilgrim
38%inclusion3 decks8 decks
28%synergy
Nemata, Grove Guardian
37%inclusion10 decks27 decks
37%synergy
Thrummingbird
37%inclusion10 decks27 decks
34%synergy
Zulaport Cutthroat
35%inclusion9 decks26 decks
26%synergy
Mirkwood Bats
35%inclusion9 decks26 decks
25%synergy
Adrix and Nev, Twincasters
33%inclusion9 decks27 decks
28%synergy
Pitiless Plunderer
31%inclusion8 decks26 decks
22%synergy
Xavier Sal, Infested Captain
27%inclusion7 decks26 decks
26%synergy
Yawgmoth, Thran Physician
27%inclusion7 decks26 decks
24%synergy
Blood Artist
27%inclusion7 decks26 decks
15%synergy
Thorn Thallid
26%inclusion7 decks27 decks
26%synergy
Verdeloth the Ancient
26%inclusion7 decks27 decks
26%synergy
Undercellar Myconid
26%inclusion7 decks27 decks
25%synergy
Danny Pink
26%inclusion7 decks27 decks
25%synergy
Vorinclex, Monstrous Raider
26%inclusion7 decks27 decks
23%synergy
Plaguemaw Beast
22%inclusion6 decks27 decks
22%synergy
Scheming Aspirant
19%inclusion5 decks26 decks
19%synergy
Corpsejack Menace
19%inclusion5 decks26 decks
14%synergy
Mindbender Spores
19%inclusion5 decks27 decks
18%synergy
Sporemound
19%inclusion5 decks27 decks
17%synergy
Deepglow Skate
19%inclusion5 decks27 decks
17%synergy
Flux Channeler
19%inclusion5 decks27 decks
16%synergy
Roaming Throne
19%inclusion5 decks27 decks
12%synergy
Birds of Paradise
19%inclusion5 decks27 decks
-9%synergy
Thelonite Hermit
15%inclusion4 decks27 decks
14%synergy
Master Biomancer
15%inclusion4 decks27 decks
12%synergy
Kiora's Follower
15%inclusion4 decks27 decks
10%synergy
Venser, Corpse Puppet
12%inclusion3 decks26 decks
11%synergy
Mazirek, Kraul Death Priest
12%inclusion3 decks26 decks
8%synergy
Bloated Contaminator
11%inclusion3 decks27 decks
10%synergy
Fathom Mage
11%inclusion3 decks27 decks
7%synergy
Instants
Aura Mutation
63%inclusion5 decks8 decks
59%synergy
Mutational Advantage
48%inclusion11 decks23 decks
44%synergy
Ripples of Potential
41%inclusion11 decks27 decks
38%synergy
Assassin's Trophy
38%inclusion10 decks26 decks
8%synergy
Swords to Plowshares
38%inclusion3 decks8 decks
-24%synergy
Atomize
36%inclusion8 decks22 decks
33%synergy
Sprout Swarm
33%inclusion9 decks27 decks
33%synergy
Experimental Augury
33%inclusion9 decks27 decks
31%synergy
Beast Within
33%inclusion9 decks27 decks
-1%synergy
Counterspell
26%inclusion7 decks27 decks
-16%synergy
Fungal Rebirth
22%inclusion6 decks27 decks
22%synergy
Serum Snare
22%inclusion6 decks27 decks
21%synergy
Village Rites
19%inclusion5 decks26 decks
10%synergy
Fuel for the Cause
19%inclusion5 decks27 decks
18%synergy
Reject Imperfection
19%inclusion5 decks27 decks
18%synergy
Arcane Denial
19%inclusion5 decks27 decks
-2%synergy
Heroic Intervention
19%inclusion5 decks27 decks
-12%synergy
Steady Progress
15%inclusion4 decks27 decks
14%synergy
Prologue to Phyresis
15%inclusion4 decks27 decks
13%synergy
Golgari Charm
12%inclusion3 decks26 decks
7%synergy
Abrupt Decay
12%inclusion3 decks26 decks
2%synergy
Deadly Dispute
12%inclusion3 decks26 decks
-1%synergy
Growth Spiral
11%inclusion3 decks27 decks
-10%synergy
Sorceries
Tezzeret's Gambit
52%inclusion14 decks27 decks
49%synergy
Damning Verdict
50%inclusion4 decks8 decks
48%synergy
Farseek
44%inclusion12 decks27 decks
9%synergy
Unnatural Restoration
37%inclusion10 decks27 decks
34%synergy
Saproling Symbiosis
30%inclusion8 decks27 decks
29%synergy
Cultivate
30%inclusion8 decks27 decks
-13%synergy
Contentious Plan
26%inclusion7 decks27 decks
24%synergy
Thirsting Roots
26%inclusion7 decks27 decks
24%synergy
Rampant Growth
26%inclusion7 decks27 decks
-8%synergy
Three Visits
22%inclusion6 decks27 decks
-2%synergy
Drown in Ichor
19%inclusion5 decks26 decks
18%synergy
Aether Mutation
15%inclusion4 decks27 decks
15%synergy
Fungal Sprouting
15%inclusion4 decks27 decks
14%synergy
Nature's Lore
15%inclusion4 decks27 decks
-17%synergy
Infectious Inquiry
12%inclusion3 decks26 decks
10%synergy
Damnation
12%inclusion3 decks26 decks
5%synergy
Toxic Deluge
12%inclusion3 decks26 decks
-7%synergy
Distant Melody
11%inclusion3 decks27 decks
7%synergy
Bala Ged Recovery
11%inclusion3 decks27 decks
3%synergy
Kodama's Reach
11%inclusion3 decks27 decks
-17%synergy
Utility Artifacts
Skullclamp
63%inclusion17 decks27 decks
52%synergy
Swiftfoot Boots
26%inclusion7 decks27 decks
-1%synergy
Contagion Engine
22%inclusion6 decks27 decks
21%synergy
Lightning Greaves
22%inclusion6 decks27 decks
-3%synergy
The Ozolith
19%inclusion5 decks27 decks
15%synergy
Phyrexian Altar
19%inclusion5 decks27 decks
15%synergy
Contagion Clasp
15%inclusion4 decks27 decks
14%synergy
Thousand-Year Elixir
15%inclusion4 decks27 decks
13%synergy
Druidic Satchel
11%inclusion3 decks27 decks
11%synergy
Magewright's Stone
11%inclusion3 decks27 decks
11%synergy
Thornbite Staff
11%inclusion3 decks27 decks
10%synergy
Eldrazi Monument
11%inclusion3 decks27 decks
10%synergy
Enchantments
Doubling Season
56%inclusion15 decks27 decks
46%synergy
Fungal Plots
52%inclusion14 decks27 decks
51%synergy
Inexorable Tide
52%inclusion14 decks27 decks
49%synergy
Paradox Haze
41%inclusion11 decks27 decks
39%synergy
Cathars' Crusade
38%inclusion3 decks8 decks
32%synergy
Intruder Alarm
37%inclusion10 decks27 decks
35%synergy
Innkeeper's Talent
28%inclusion5 decks18 decks
23%synergy
Fungal Bloom
26%inclusion7 decks27 decks
26%synergy
Growing Rites of Itlimoc
22%inclusion6 decks27 decks
17%synergy
Parallel Lives
22%inclusion6 decks27 decks
16%synergy
Moldervine Reclamation
19%inclusion5 decks26 decks
12%synergy
Life and Limb
19%inclusion5 decks27 decks
18%synergy
Insidious Roots
16%inclusion4 decks25 decks
10%synergy
Sporogenesis
15%inclusion4 decks27 decks
15%synergy
Night Soil
15%inclusion4 decks27 decks
15%synergy
Bastion of Remembrance
12%inclusion3 decks26 decks
5%synergy
Saproling Burst
11%inclusion3 decks27 decks
11%synergy
Verdant Embrace
11%inclusion3 decks27 decks
11%synergy
Freed from the Real
11%inclusion3 decks27 decks
9%synergy
Primal Vigor
11%inclusion3 decks27 decks
8%synergy
Cryptolith Rite
11%inclusion3 decks27 decks
7%synergy
Planeswalkers
Elspeth, Storm Slayer
60%inclusion3 decks5 decks
55%synergy
Vraska, Betrayal's Sting
27%inclusion7 decks26 decks
25%synergy
Tyvar, Jubilant Brawler
12%inclusion3 decks26 decks
8%synergy
Utility Lands
Karn's Bastion
52%inclusion14 decks27 decks
47%synergy
Nesting Grounds
26%inclusion7 decks27 decks
24%synergy
Yavimaya, Cradle of Growth
26%inclusion7 decks27 decks
17%synergy
Hickory Woodlot
22%inclusion6 decks27 decks
22%synergy
Peat Bog
19%inclusion5 decks26 decks
19%synergy
Boseiju, Who Endures
19%inclusion5 decks27 decks
0%synergy
Oran-Rief, the Vastwood
15%inclusion4 decks27 decks
11%synergy
Reliquary Tower
15%inclusion4 decks27 decks
-15%synergy
Mortuary Mire
12%inclusion3 decks26 decks
7%synergy
Takenuma, Abandoned Mire
12%inclusion3 decks26 decks
3%synergy
Saprazzan Skerry
11%inclusion3 decks27 decks
11%synergy
Otawara, Soaring City
11%inclusion3 decks27 decks
-5%synergy
Mana Artifacts
Sol Ring
67%inclusion18 decks27 decks
-17%synergy
Arcane Signet
56%inclusion15 decks27 decks
-17%synergy
Astral Cornucopia
37%inclusion10 decks27 decks
36%synergy
Everflowing Chalice
37%inclusion10 decks27 decks
33%synergy
Replicating Ring
30%inclusion8 decks27 decks
28%synergy
Staff of Compleation
26%inclusion7 decks27 decks
25%synergy
Talisman of Resilience
12%inclusion3 decks26 decks
-1%synergy
Talisman of Curiosity
11%inclusion3 decks27 decks
-2%synergy
Lands
Command Tower
85%inclusion23 decks27 decks
11%synergy
Exotic Orchard
59%inclusion16 decks27 decks
23%synergy
Sandsteppe Citadel
50%inclusion4 decks8 decks
24%synergy
Seaside Citadel
50%inclusion4 decks8 decks
23%synergy
Indatha Triome
50%inclusion4 decks8 decks
22%synergy
Arcane Sanctum
50%inclusion4 decks8 decks
22%synergy
Spara's Headquarters
50%inclusion4 decks8 decks
22%synergy
Temple Garden
50%inclusion4 decks8 decks
12%synergy
Godless Shrine
50%inclusion4 decks8 decks
9%synergy
Breeding Pool
44%inclusion12 decks27 decks
3%synergy
Zagoth Triome
38%inclusion10 decks26 decks
11%synergy
Woodland Cemetery
38%inclusion10 decks26 decks
7%synergy
Vivid Meadow
38%inclusion3 decks8 decks
37%synergy
Bountiful Promenade
38%inclusion3 decks8 decks
15%synergy
Sea of Clouds
38%inclusion3 decks8 decks
13%synergy
Raffine's Tower
38%inclusion3 decks8 decks
13%synergy
Hallowed Fountain
38%inclusion3 decks8 decks
-2%synergy
Overgrown Tomb
35%inclusion9 decks26 decks
-6%synergy
Watery Grave
35%inclusion9 decks26 decks
-7%synergy
Rejuvenating Springs
33%inclusion9 decks27 decks
6%synergy
Llanowar Wastes
31%inclusion8 decks26 decks
4%synergy
Opulent Palace
31%inclusion8 decks26 decks
3%synergy
Evolving Wilds
30%inclusion8 decks27 decks
9%synergy
Foreboding Landscape
28%inclusion5 decks18 decks
19%synergy
Darkbore Pathway
27%inclusion7 decks26 decks
20%synergy
Undergrowth Stadium
27%inclusion7 decks26 decks
3%synergy
Morphic Pool
27%inclusion7 decks26 decks
2%synergy
Terramorphic Expanse
26%inclusion7 decks27 decks
11%synergy
Dreamroot Cascade
26%inclusion7 decks27 decks
5%synergy
Path of Ancestry
26%inclusion7 decks27 decks
4%synergy
Yavimaya Coast
26%inclusion7 decks27 decks
-1%synergy
Hinterland Harbor
26%inclusion7 decks27 decks
-7%synergy
Vivid Marsh
23%inclusion6 decks26 decks
23%synergy
Deathcap Glade
23%inclusion6 decks26 decks
10%synergy
Vivid Grove
22%inclusion6 decks27 decks
21%synergy
Fabled Passage
22%inclusion6 decks27 decks
13%synergy
Clearwater Pathway
19%inclusion5 decks26 decks
11%synergy
Drowned Catacomb
19%inclusion5 decks26 decks
-10%synergy
Vivid Creek
19%inclusion5 decks27 decks
18%synergy
Verdant Catacombs
19%inclusion5 decks27 decks
8%synergy
Shipwreck Marsh
15%inclusion4 decks26 decks
-3%synergy
Gemstone Mine
15%inclusion4 decks27 decks
14%synergy
Reflecting Pool
15%inclusion4 decks27 decks
10%synergy
Barkchannel Pathway
15%inclusion4 decks27 decks
8%synergy
Polluted Delta
15%inclusion4 decks27 decks
3%synergy
Simic Growth Chamber
15%inclusion4 decks27 decks
-3%synergy
Underground Mortuary
12%inclusion3 decks26 decks
-1%synergy
Dimir Aqueduct
12%inclusion3 decks26 decks
-3%synergy
Golgari Rot Farm
12%inclusion3 decks26 decks
-6%synergy
Underground River
12%inclusion3 decks26 decks
-11%synergy