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%inclusion16 decks7.47K decks
Atraxa, Praetors' Voice
0.0%inclusion7 decks37.9K decks
High Synergy Cards
Sporesower Thallid
100%inclusion23 decks23 decks
100%synergy
Slimefoot, the Stowaway
96%inclusion22 decks23 decks
94%synergy
Deathspore Thallid
91%inclusion21 decks23 decks
91%synergy
Psychotrope Thallid
91%inclusion21 decks23 decks
91%synergy
Utopia Mycon
87%inclusion20 decks23 decks
86%synergy
Lae'zel, Vlaakith's Champion
86%inclusion6 decks7 decks
83%synergy
Thallid
83%inclusion19 decks23 decks
82%synergy
Mycoloth
83%inclusion19 decks23 decks
81%synergy
Vitaspore Thallid
78%inclusion18 decks23 decks
78%synergy
Thelon of Havenwood
78%inclusion18 decks23 decks
78%synergy
Top Cards
Thallid Germinator
78%inclusion18 decks23 decks
78%synergy
Thallid Shell-Dweller
78%inclusion18 decks23 decks
78%synergy
Savage Thallid
74%inclusion17 decks23 decks
74%synergy
Nemata, Primeval Warden
74%inclusion17 decks23 decks
72%synergy
Ezuri, Stalker of Spheres
74%inclusion17 decks23 decks
71%synergy
Winding Constrictor
74%inclusion17 decks23 decks
70%synergy
Pallid Mycoderm
71%inclusion5 decks7 decks
71%synergy
Aura Mutation
71%inclusion5 decks7 decks
68%synergy
Elvish Farmer
70%inclusion16 decks23 decks
69%synergy
Tendershoot Dryad
70%inclusion16 decks23 decks
67%synergy
Game Changers
Cyclonic Rift
17%inclusion4 decks23 decks
-6%synergy
Creatures
Thallid Devourer
65%inclusion15 decks23 decks
65%synergy
Spore Flower
65%inclusion15 decks23 decks
65%synergy
Brightcap Badger
65%inclusion11 decks17 decks
64%synergy
Mycologist
57%inclusion4 decks7 decks
57%synergy
Ghave, Guru of Spores
57%inclusion4 decks7 decks
57%synergy
Evolution Sage
57%inclusion13 decks23 decks
50%synergy
Dreamtide Whale
44%inclusion8 decks18 decks
42%synergy
Sporecrown Thallid
43%inclusion10 decks23 decks
43%synergy
Shroofus Sproutsire
43%inclusion6 decks14 decks
43%synergy
Ojer Taq, Deepest Foundation
43%inclusion3 decks7 decks
39%synergy
Elas il-Kor, Sadistic Pilgrim
43%inclusion3 decks7 decks
33%synergy
Thrummingbird
39%inclusion9 decks23 decks
36%synergy
Cankerbloom
39%inclusion9 decks23 decks
35%synergy
Pir, Imaginative Rascal
35%inclusion8 decks23 decks
34%synergy
The Mycotyrant
35%inclusion8 decks23 decks
34%synergy
Adrix and Nev, Twincasters
35%inclusion8 decks23 decks
30%synergy
Zulaport Cutthroat
35%inclusion8 decks23 decks
26%synergy
Mirkwood Bats
35%inclusion8 decks23 decks
26%synergy
Nemata, Grove Guardian
30%inclusion7 decks23 decks
30%synergy
Xavier Sal, Infested Captain
30%inclusion7 decks23 decks
30%synergy
Thorn Thallid
26%inclusion6 decks23 decks
26%synergy
Undercellar Myconid
26%inclusion6 decks23 decks
26%synergy
Danny Pink
26%inclusion6 decks23 decks
25%synergy
Yawgmoth, Thran Physician
26%inclusion6 decks23 decks
23%synergy
Pitiless Plunderer
26%inclusion6 decks23 decks
18%synergy
Blood Artist
26%inclusion6 decks23 decks
15%synergy
Verdeloth the Ancient
22%inclusion5 decks23 decks
21%synergy
Flux Channeler
22%inclusion5 decks23 decks
19%synergy
Vorinclex, Monstrous Raider
22%inclusion5 decks23 decks
19%synergy
Birds of Paradise
22%inclusion5 decks23 decks
-6%synergy
Mindbender Spores
17%inclusion4 decks23 decks
17%synergy
Sporemound
17%inclusion4 decks23 decks
16%synergy
Deepglow Skate
17%inclusion4 decks23 decks
16%synergy
Master Biomancer
17%inclusion4 decks23 decks
15%synergy
Corpsejack Menace
17%inclusion4 decks23 decks
13%synergy
Roaming Throne
17%inclusion4 decks23 decks
11%synergy
Plaguemaw Beast
13%inclusion3 decks23 decks
13%synergy
Venser, Corpse Puppet
13%inclusion3 decks23 decks
13%synergy
Thelonite Hermit
13%inclusion3 decks23 decks
13%synergy
Scheming Aspirant
13%inclusion3 decks23 decks
13%synergy
Fathom Mage
13%inclusion3 decks23 decks
9%synergy
Kiora's Follower
13%inclusion3 decks23 decks
8%synergy
Instants
Ripples of Potential
48%inclusion11 decks23 decks
45%synergy
Mutational Advantage
48%inclusion10 decks21 decks
44%synergy
Swords to Plowshares
43%inclusion3 decks7 decks
-19%synergy
Experimental Augury
39%inclusion9 decks23 decks
37%synergy
Atomize
38%inclusion8 decks21 decks
34%synergy
Assassin's Trophy
35%inclusion8 decks23 decks
5%synergy
Sprout Swarm
30%inclusion7 decks23 decks
30%synergy
Beast Within
30%inclusion7 decks23 decks
-4%synergy
Serum Snare
22%inclusion5 decks23 decks
21%synergy
Counterspell
22%inclusion5 decks23 decks
-20%synergy
Fuel for the Cause
17%inclusion4 decks23 decks
17%synergy
Fungal Rebirth
17%inclusion4 decks23 decks
17%synergy
Village Rites
17%inclusion4 decks23 decks
8%synergy
Arcane Denial
17%inclusion4 decks23 decks
-3%synergy
Heroic Intervention
17%inclusion4 decks23 decks
-13%synergy
Reject Imperfection
13%inclusion3 decks23 decks
12%synergy
Prologue to Phyresis
13%inclusion3 decks23 decks
12%synergy
Golgari Charm
13%inclusion3 decks23 decks
8%synergy
Abrupt Decay
13%inclusion3 decks23 decks
3%synergy
Sorceries
Damning Verdict
57%inclusion4 decks7 decks
55%synergy
Tezzeret's Gambit
52%inclusion12 decks23 decks
49%synergy
Farseek
43%inclusion10 decks23 decks
8%synergy
Unnatural Restoration
35%inclusion8 decks23 decks
32%synergy
Saproling Symbiosis
30%inclusion7 decks23 decks
30%synergy
Contentious Plan
30%inclusion7 decks23 decks
29%synergy
Thirsting Roots
30%inclusion7 decks23 decks
29%synergy
Cultivate
30%inclusion7 decks23 decks
-12%synergy
Three Visits
26%inclusion6 decks23 decks
2%synergy
Rampant Growth
26%inclusion6 decks23 decks
-7%synergy
Drown in Ichor
22%inclusion5 decks23 decks
20%synergy
Nature's Lore
17%inclusion4 decks23 decks
-14%synergy
Aether Mutation
13%inclusion3 decks23 decks
13%synergy
Fungal Sprouting
13%inclusion3 decks23 decks
12%synergy
Distant Melody
13%inclusion3 decks23 decks
9%synergy
Damnation
13%inclusion3 decks23 decks
6%synergy
Bala Ged Recovery
13%inclusion3 decks23 decks
5%synergy
Toxic Deluge
13%inclusion3 decks23 decks
-5%synergy
Utility Artifacts
Skullclamp
65%inclusion15 decks23 decks
54%synergy
Contagion Engine
22%inclusion5 decks23 decks
21%synergy
The Ozolith
22%inclusion5 decks23 decks
18%synergy
Phyrexian Altar
22%inclusion5 decks23 decks
18%synergy
Lightning Greaves
22%inclusion5 decks23 decks
-3%synergy
Swiftfoot Boots
22%inclusion5 decks23 decks
-6%synergy
Magewright's Stone
13%inclusion3 decks23 decks
12%synergy
Thornbite Staff
13%inclusion3 decks23 decks
12%synergy
Thousand-Year Elixir
13%inclusion3 decks23 decks
11%synergy
Enchantments
Inexorable Tide
57%inclusion13 decks23 decks
54%synergy
Doubling Season
57%inclusion13 decks23 decks
47%synergy
Fungal Plots
52%inclusion12 decks23 decks
52%synergy
Paradox Haze
39%inclusion9 decks23 decks
38%synergy
Intruder Alarm
30%inclusion7 decks23 decks
29%synergy
Innkeeper's Talent
29%inclusion5 decks17 decks
25%synergy
Fungal Bloom
26%inclusion6 decks23 decks
26%synergy
Parallel Lives
22%inclusion5 decks23 decks
15%synergy
Insidious Roots
18%inclusion4 decks22 decks
13%synergy
Life and Limb
17%inclusion4 decks23 decks
17%synergy
Growing Rites of Itlimoc
17%inclusion4 decks23 decks
12%synergy
Moldervine Reclamation
17%inclusion4 decks23 decks
10%synergy
Saproling Burst
13%inclusion3 decks23 decks
13%synergy
Sporogenesis
13%inclusion3 decks23 decks
13%synergy
Night Soil
13%inclusion3 decks23 decks
13%synergy
Primal Vigor
13%inclusion3 decks23 decks
10%synergy
Bastion of Remembrance
13%inclusion3 decks23 decks
7%synergy
Planeswalkers
Elspeth, Storm Slayer
60%inclusion3 decks5 decks
55%synergy
Vraska, Betrayal's Sting
26%inclusion6 decks23 decks
24%synergy
Utility Lands
Karn's Bastion
61%inclusion14 decks23 decks
56%synergy
Nesting Grounds
30%inclusion7 decks23 decks
28%synergy
Hickory Woodlot
26%inclusion6 decks23 decks
26%synergy
Yavimaya, Cradle of Growth
26%inclusion6 decks23 decks
17%synergy
Peat Bog
22%inclusion5 decks23 decks
21%synergy
Oran-Rief, the Vastwood
17%inclusion4 decks23 decks
13%synergy
Boseiju, Who Endures
17%inclusion4 decks23 decks
-2%synergy
Reliquary Tower
17%inclusion4 decks23 decks
-13%synergy
Saprazzan Skerry
13%inclusion3 decks23 decks
13%synergy
Mortuary Mire
13%inclusion3 decks23 decks
9%synergy
Mana Artifacts
Sol Ring
70%inclusion16 decks23 decks
-14%synergy
Arcane Signet
57%inclusion13 decks23 decks
-16%synergy
Everflowing Chalice
39%inclusion9 decks23 decks
35%synergy
Astral Cornucopia
35%inclusion8 decks23 decks
34%synergy
Replicating Ring
35%inclusion8 decks23 decks
34%synergy
Staff of Compleation
26%inclusion6 decks23 decks
25%synergy
Talisman of Curiosity
13%inclusion3 decks23 decks
0%synergy
Lands
Command Tower
91%inclusion21 decks23 decks
17%synergy
Exotic Orchard
61%inclusion14 decks23 decks
24%synergy
Sandsteppe Citadel
57%inclusion4 decks7 decks
32%synergy
Seaside Citadel
57%inclusion4 decks7 decks
30%synergy
Arcane Sanctum
57%inclusion4 decks7 decks
29%synergy
Breeding Pool
43%inclusion10 decks23 decks
2%synergy
Vivid Meadow
43%inclusion3 decks7 decks
42%synergy
Raffine's Tower
43%inclusion3 decks7 decks
18%synergy
Indatha Triome
43%inclusion3 decks7 decks
15%synergy
Spara's Headquarters
43%inclusion3 decks7 decks
15%synergy
Temple Garden
43%inclusion3 decks7 decks
4%synergy
Godless Shrine
43%inclusion3 decks7 decks
2%synergy
Rejuvenating Springs
39%inclusion9 decks23 decks
12%synergy
Zagoth Triome
39%inclusion9 decks23 decks
11%synergy
Evolving Wilds
35%inclusion8 decks23 decks
14%synergy
Opulent Palace
35%inclusion8 decks23 decks
7%synergy
Woodland Cemetery
35%inclusion8 decks23 decks
3%synergy
Overgrown Tomb
35%inclusion8 decks23 decks
-6%synergy
Watery Grave
35%inclusion8 decks23 decks
-7%synergy
Terramorphic Expanse
30%inclusion7 decks23 decks
15%synergy
Undergrowth Stadium
30%inclusion7 decks23 decks
7%synergy
Llanowar Wastes
30%inclusion7 decks23 decks
4%synergy
Foreboding Landscape
28%inclusion5 decks18 decks
19%synergy
Vivid Marsh
26%inclusion6 decks23 decks
26%synergy
Vivid Grove
26%inclusion6 decks23 decks
25%synergy
Darkbore Pathway
26%inclusion6 decks23 decks
19%synergy
Fabled Passage
26%inclusion6 decks23 decks
17%synergy
Dreamroot Cascade
26%inclusion6 decks23 decks
5%synergy
Path of Ancestry
26%inclusion6 decks23 decks
4%synergy
Morphic Pool
26%inclusion6 decks23 decks
1%synergy
Yavimaya Coast
26%inclusion6 decks23 decks
-1%synergy
Hinterland Harbor
26%inclusion6 decks23 decks
-7%synergy
Vivid Creek
22%inclusion5 decks23 decks
21%synergy
Clearwater Pathway
22%inclusion5 decks23 decks
14%synergy
Deathcap Glade
22%inclusion5 decks23 decks
9%synergy
Drowned Catacomb
22%inclusion5 decks23 decks
-7%synergy
Reflecting Pool
17%inclusion4 decks23 decks
12%synergy
Barkchannel Pathway
17%inclusion4 decks23 decks
11%synergy
Verdant Catacombs
17%inclusion4 decks23 decks
6%synergy
Polluted Delta
17%inclusion4 decks23 decks
5%synergy
Simic Growth Chamber
17%inclusion4 decks23 decks
0%synergy
Shipwreck Marsh
17%inclusion4 decks23 decks
-1%synergy
Gemstone Mine
13%inclusion3 decks23 decks
13%synergy
Hedge Maze
13%inclusion3 decks23 decks
2%synergy
Underground Mortuary
13%inclusion3 decks23 decks
0%synergy
Dimir Aqueduct
13%inclusion3 decks23 decks
-2%synergy
Flooded Grove
13%inclusion3 decks23 decks
-2%synergy
Golgari Rot Farm
13%inclusion3 decks23 decks
-4%synergy
Underground River
13%inclusion3 decks23 decks
-10%synergy