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 decks7.65K decks
Atraxa, Praetors' Voice
0.0%inclusion8 decks38.9K decks
High Synergy Cards
Sporesower Thallid
100%inclusion26 decks26 decks
100%synergy
Slimefoot, the Stowaway
96%inclusion25 decks26 decks
95%synergy
Deathspore Thallid
92%inclusion24 decks26 decks
92%synergy
Psychotrope Thallid
92%inclusion24 decks26 decks
92%synergy
Utopia Mycon
88%inclusion23 decks26 decks
88%synergy
Lae'zel, Vlaakith's Champion
88%inclusion7 decks8 decks
85%synergy
Thallid
85%inclusion22 decks26 decks
84%synergy
Mycoloth
85%inclusion22 decks26 decks
83%synergy
Vitaspore Thallid
81%inclusion21 decks26 decks
80%synergy
Thelon of Havenwood
81%inclusion21 decks26 decks
80%synergy
Top Cards
Thallid Germinator
77%inclusion20 decks26 decks
77%synergy
Nemata, Primeval Warden
77%inclusion20 decks26 decks
75%synergy
Ezuri, Stalker of Spheres
77%inclusion20 decks26 decks
74%synergy
Pallid Mycoderm
75%inclusion6 decks8 decks
75%synergy
Savage Thallid
73%inclusion19 decks26 decks
73%synergy
Thallid Shell-Dweller
73%inclusion19 decks26 decks
73%synergy
Winding Constrictor
73%inclusion19 decks26 decks
69%synergy
Tendershoot Dryad
69%inclusion18 decks26 decks
67%synergy
Elvish Farmer
65%inclusion17 decks26 decks
65%synergy
Thallid Devourer
65%inclusion17 decks26 decks
65%synergy
Game Changers
Cyclonic Rift
19%inclusion5 decks26 decks
-4%synergy
Creatures
Spore Flower
65%inclusion17 decks26 decks
65%synergy
Brightcap Badger
65%inclusion11 decks17 decks
64%synergy
Mycologist
63%inclusion5 decks8 decks
62%synergy
Ghave, Guru of Spores
63%inclusion5 decks8 decks
62%synergy
Evolution Sage
62%inclusion16 decks26 decks
55%synergy
Sporecrown Thallid
46%inclusion12 decks26 decks
46%synergy
Dreamtide Whale
44%inclusion8 decks18 decks
42%synergy
Shroofus Sproutsire
43%inclusion6 decks14 decks
43%synergy
Cankerbloom
42%inclusion11 decks26 decks
38%synergy
Pir, Imaginative Rascal
38%inclusion10 decks26 decks
38%synergy
The Mycotyrant
38%inclusion10 decks26 decks
37%synergy
Thrummingbird
38%inclusion10 decks26 decks
35%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
35%inclusion9 decks26 decks
34%synergy
Adrix and Nev, Twincasters
35%inclusion9 decks26 decks
30%synergy
Zulaport Cutthroat
35%inclusion9 decks26 decks
26%synergy
Mirkwood Bats
35%inclusion9 decks26 decks
25%synergy
Pitiless Plunderer
31%inclusion8 decks26 decks
22%synergy
Thorn Thallid
27%inclusion7 decks26 decks
27%synergy
Undercellar Myconid
27%inclusion7 decks26 decks
26%synergy
Xavier Sal, Infested Captain
27%inclusion7 decks26 decks
26%synergy
Danny Pink
27%inclusion7 decks26 decks
26%synergy
Vorinclex, Monstrous Raider
27%inclusion7 decks26 decks
24%synergy
Yawgmoth, Thran Physician
27%inclusion7 decks26 decks
24%synergy
Blood Artist
27%inclusion7 decks26 decks
15%synergy
Verdeloth the Ancient
23%inclusion6 decks26 decks
23%synergy
Mindbender Spores
19%inclusion5 decks26 decks
19%synergy
Plaguemaw Beast
19%inclusion5 decks26 decks
19%synergy
Scheming Aspirant
19%inclusion5 decks26 decks
19%synergy
Sporemound
19%inclusion5 decks26 decks
18%synergy
Flux Channeler
19%inclusion5 decks26 decks
17%synergy
Corpsejack Menace
19%inclusion5 decks26 decks
14%synergy
Roaming Throne
19%inclusion5 decks26 decks
13%synergy
Birds of Paradise
19%inclusion5 decks26 decks
-8%synergy
Deepglow Skate
15%inclusion4 decks26 decks
14%synergy
Master Biomancer
15%inclusion4 decks26 decks
13%synergy
Venser, Corpse Puppet
12%inclusion3 decks26 decks
11%synergy
Thelonite Hermit
12%inclusion3 decks26 decks
11%synergy
Mazirek, Kraul Death Priest
12%inclusion3 decks26 decks
8%synergy
Fathom Mage
12%inclusion3 decks26 decks
7%synergy
Kiora's Follower
12%inclusion3 decks26 decks
7%synergy
Instants
Aura Mutation
63%inclusion5 decks8 decks
59%synergy
Mutational Advantage
45%inclusion10 decks22 decks
42%synergy
Ripples of Potential
42%inclusion11 decks26 decks
40%synergy
Assassin's Trophy
38%inclusion10 decks26 decks
8%synergy
Swords to Plowshares
38%inclusion3 decks8 decks
-24%synergy
Atomize
36%inclusion8 decks22 decks
32%synergy
Sprout Swarm
35%inclusion9 decks26 decks
34%synergy
Experimental Augury
35%inclusion9 decks26 decks
32%synergy
Beast Within
35%inclusion9 decks26 decks
0%synergy
Counterspell
27%inclusion7 decks26 decks
-15%synergy
Serum Snare
23%inclusion6 decks26 decks
22%synergy
Fungal Rebirth
19%inclusion5 decks26 decks
19%synergy
Village Rites
19%inclusion5 decks26 decks
10%synergy
Arcane Denial
19%inclusion5 decks26 decks
-1%synergy
Heroic Intervention
19%inclusion5 decks26 decks
-11%synergy
Fuel for the Cause
15%inclusion4 decks26 decks
15%synergy
Steady Progress
15%inclusion4 decks26 decks
15%synergy
Reject Imperfection
15%inclusion4 decks26 decks
15%synergy
Prologue to Phyresis
15%inclusion4 decks26 decks
14%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
12%inclusion3 decks26 decks
-9%synergy
Sorceries
Tezzeret's Gambit
54%inclusion14 decks26 decks
51%synergy
Damning Verdict
50%inclusion4 decks8 decks
48%synergy
Farseek
46%inclusion12 decks26 decks
10%synergy
Unnatural Restoration
38%inclusion10 decks26 decks
36%synergy
Cultivate
31%inclusion8 decks26 decks
-12%synergy
Saproling Symbiosis
27%inclusion7 decks26 decks
26%synergy
Contentious Plan
27%inclusion7 decks26 decks
25%synergy
Thirsting Roots
27%inclusion7 decks26 decks
25%synergy
Rampant Growth
27%inclusion7 decks26 decks
-7%synergy
Three Visits
23%inclusion6 decks26 decks
-1%synergy
Drown in Ichor
19%inclusion5 decks26 decks
18%synergy
Nature's Lore
15%inclusion4 decks26 decks
-16%synergy
Aether Mutation
12%inclusion3 decks26 decks
11%synergy
Fungal Sprouting
12%inclusion3 decks26 decks
11%synergy
Infectious Inquiry
12%inclusion3 decks26 decks
10%synergy
Distant Melody
12%inclusion3 decks26 decks
7%synergy
Damnation
12%inclusion3 decks26 decks
5%synergy
Bala Ged Recovery
12%inclusion3 decks26 decks
4%synergy
Toxic Deluge
12%inclusion3 decks26 decks
-7%synergy
Kodama's Reach
12%inclusion3 decks26 decks
-16%synergy
Utility Artifacts
Skullclamp
65%inclusion17 decks26 decks
54%synergy
Swiftfoot Boots
27%inclusion7 decks26 decks
0%synergy
Lightning Greaves
23%inclusion6 decks26 decks
-2%synergy
Contagion Engine
19%inclusion5 decks26 decks
18%synergy
The Ozolith
19%inclusion5 decks26 decks
16%synergy
Phyrexian Altar
19%inclusion5 decks26 decks
16%synergy
Contagion Clasp
15%inclusion4 decks26 decks
14%synergy
Thousand-Year Elixir
15%inclusion4 decks26 decks
14%synergy
Magewright's Stone
12%inclusion3 decks26 decks
11%synergy
Thornbite Staff
12%inclusion3 decks26 decks
11%synergy
Eldrazi Monument
12%inclusion3 decks26 decks
10%synergy
Enchantments
Doubling Season
58%inclusion15 decks26 decks
48%synergy
Inexorable Tide
54%inclusion14 decks26 decks
51%synergy
Fungal Plots
50%inclusion13 decks26 decks
49%synergy
Paradox Haze
42%inclusion11 decks26 decks
41%synergy
Cathars' Crusade
38%inclusion3 decks8 decks
32%synergy
Intruder Alarm
35%inclusion9 decks26 decks
33%synergy
Innkeeper's Talent
29%inclusion5 decks17 decks
25%synergy
Fungal Bloom
27%inclusion7 decks26 decks
27%synergy
Growing Rites of Itlimoc
23%inclusion6 decks26 decks
18%synergy
Parallel Lives
23%inclusion6 decks26 decks
17%synergy
Life and Limb
19%inclusion5 decks26 decks
19%synergy
Moldervine Reclamation
19%inclusion5 decks26 decks
12%synergy
Insidious Roots
16%inclusion4 decks25 decks
10%synergy
Sporogenesis
15%inclusion4 decks26 decks
15%synergy
Saproling Burst
12%inclusion3 decks26 decks
11%synergy
Night Soil
12%inclusion3 decks26 decks
11%synergy
Verdant Embrace
12%inclusion3 decks26 decks
11%synergy
Primal Vigor
12%inclusion3 decks26 decks
9%synergy
Cryptolith Rite
12%inclusion3 decks26 decks
8%synergy
Bastion of Remembrance
12%inclusion3 decks26 decks
5%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
54%inclusion14 decks26 decks
49%synergy
Nesting Grounds
27%inclusion7 decks26 decks
25%synergy
Yavimaya, Cradle of Growth
27%inclusion7 decks26 decks
18%synergy
Hickory Woodlot
23%inclusion6 decks26 decks
23%synergy
Peat Bog
19%inclusion5 decks26 decks
19%synergy
Boseiju, Who Endures
19%inclusion5 decks26 decks
0%synergy
Oran-Rief, the Vastwood
15%inclusion4 decks26 decks
11%synergy
Reliquary Tower
15%inclusion4 decks26 decks
-15%synergy
Saprazzan Skerry
12%inclusion3 decks26 decks
11%synergy
Mortuary Mire
12%inclusion3 decks26 decks
7%synergy
Takenuma, Abandoned Mire
12%inclusion3 decks26 decks
3%synergy
Otawara, Soaring City
12%inclusion3 decks26 decks
-5%synergy
Mana Artifacts
Sol Ring
69%inclusion18 decks26 decks
-15%synergy
Arcane Signet
58%inclusion15 decks26 decks
-15%synergy
Astral Cornucopia
38%inclusion10 decks26 decks
37%synergy
Everflowing Chalice
38%inclusion10 decks26 decks
34%synergy
Replicating Ring
31%inclusion8 decks26 decks
30%synergy
Staff of Compleation
23%inclusion6 decks26 decks
22%synergy
Talisman of Resilience
12%inclusion3 decks26 decks
-1%synergy
Talisman of Curiosity
12%inclusion3 decks26 decks
-1%synergy
Lands
Command Tower
88%inclusion23 decks26 decks
14%synergy
Exotic Orchard
62%inclusion16 decks26 decks
25%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
11%synergy
Godless Shrine
50%inclusion4 decks8 decks
9%synergy
Breeding Pool
46%inclusion12 decks26 decks
5%synergy
Zagoth Triome
38%inclusion10 decks26 decks
10%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
Rejuvenating Springs
35%inclusion9 decks26 decks
8%synergy
Overgrown Tomb
35%inclusion9 decks26 decks
-6%synergy
Watery Grave
35%inclusion9 decks26 decks
-7%synergy
Evolving Wilds
31%inclusion8 decks26 decks
10%synergy
Llanowar Wastes
31%inclusion8 decks26 decks
4%synergy
Opulent Palace
31%inclusion8 decks26 decks
3%synergy
Foreboding Landscape
28%inclusion5 decks18 decks
19%synergy
Darkbore Pathway
27%inclusion7 decks26 decks
20%synergy
Terramorphic Expanse
27%inclusion7 decks26 decks
12%synergy
Dreamroot Cascade
27%inclusion7 decks26 decks
6%synergy
Path of Ancestry
27%inclusion7 decks26 decks
5%synergy
Undergrowth Stadium
27%inclusion7 decks26 decks
3%synergy
Morphic Pool
27%inclusion7 decks26 decks
2%synergy
Yavimaya Coast
27%inclusion7 decks26 decks
0%synergy
Hinterland Harbor
27%inclusion7 decks26 decks
-6%synergy
Vivid Marsh
23%inclusion6 decks26 decks
23%synergy
Vivid Grove
23%inclusion6 decks26 decks
22%synergy
Fabled Passage
23%inclusion6 decks26 decks
14%synergy
Deathcap Glade
23%inclusion6 decks26 decks
10%synergy
Vivid Creek
19%inclusion5 decks26 decks
18%synergy
Clearwater Pathway
19%inclusion5 decks26 decks
11%synergy
Verdant Catacombs
19%inclusion5 decks26 decks
8%synergy
Drowned Catacomb
19%inclusion5 decks26 decks
-10%synergy
Gemstone Mine
15%inclusion4 decks26 decks
15%synergy
Reflecting Pool
15%inclusion4 decks26 decks
10%synergy
Barkchannel Pathway
15%inclusion4 decks26 decks
9%synergy
Polluted Delta
15%inclusion4 decks26 decks
3%synergy
Simic Growth Chamber
15%inclusion4 decks26 decks
-3%synergy
Shipwreck Marsh
15%inclusion4 decks26 decks
-3%synergy
Mana Confluence
12%inclusion3 decks26 decks
5%synergy
Marsh Flats
12%inclusion3 decks26 decks
1%synergy
Hedge Maze
12%inclusion3 decks26 decks
1%synergy
Underground Mortuary
12%inclusion3 decks26 decks
-1%synergy