Adrix and Nev, Twincasters + Sporoloth Ancient + Tainted Observer + Ashnod's Altar

Adrix and Nev, Twincasters
Sporoloth Ancient
Tainted Observer
Ashnod's Altar

Requires
Adrix and Nev, Twincasters must be on the battlefield. Sporoloth Ancient must be on the battlefield. Tainted Observer must be on the battlefield. Ashnod's Altar must be on the battlefield. You control a creature with at least three spore counters on it.
Steps
  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
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite proliferate. Infinite sacrifice triggers.

Xavier Sal, Infested Captain
0.09% of 4674 decks 4 decks
Atraxa, Praetors' Voice
0.01% of 35660 decks 2 decks
High Synergy Cards
Deathspore Thallid
100% of 6 decks +99% synergy
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100% of 6 decks +99% synergy
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100% of 6 decks +98% synergy
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Vitaspore Thallid
83% of 6 decks +83% synergy
Sporesower Thallid
83% of 6 decks +83% synergy
Psychotrope Thallid
83% of 6 decks +83% synergy
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83% of 6 decks +81% synergy
Spore Flower
67% of 6 decks +67% synergy
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67% of 6 decks +66% synergy
Top Cards
Beast Within
83% of 6 decks +45% synergy
Thallid
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67% of 6 decks +64% synergy
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67% of 6 decks +63% synergy
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67% of 6 decks +63% synergy
Creatures
Mycologist
100% of 2 decks +100% synergy
Pallid Mycoderm
100% of 2 decks +100% synergy
Ghave, Guru of Spores
100% of 2 decks +99% synergy
Brightcap Badger
100% of 1 decks +98% synergy
Lae'zel, Vlaakith's Champion
100% of 2 decks +97% synergy
Ojer Taq, Deepest Foundation
100% of 1 decks +94% synergy
Mondrak, Glory Dominus
100% of 2 decks +91% synergy
Agent Frank Horrigan
67% of 3 decks +63% synergy
Dreamtide Whale
67% of 3 decks +63% synergy
Evolution Sage
67% of 6 decks +60% synergy
The Mycotyrant
60% of 5 decks +58% synergy
Elvish Farmer
50% of 6 decks +50% synergy
Thallid Germinator
50% of 6 decks +50% synergy
Tayam, Luminous Enigma
50% of 2 decks +50% synergy
Verdeloth the Ancient
50% of 6 decks +50% synergy
Sporemound
50% of 6 decks +48% synergy
Thrummingbird
50% of 6 decks +46% synergy
Vorinclex, Monstrous Raider
50% of 6 decks +46% synergy
Winding Constrictor
50% of 6 decks +46% synergy
Plaguemaw Beast
33% of 6 decks +33% synergy
Nemata, Grove Guardian
33% of 6 decks +33% synergy
Thallid Shell-Dweller
33% of 6 decks +33% synergy
Scheming Aspirant
33% of 6 decks +33% synergy
Undercellar Myconid
33% of 6 decks +33% synergy
Mazirek, Kraul Death Priest
33% of 6 decks +30% synergy
Master Biomancer
33% of 6 decks +30% synergy
Jaheira, Friend of the Forest
33% of 6 decks +28% synergy
Cankerbloom
33% of 6 decks +26% synergy
Xavier Sal, Infested Captain
25% of 4 decks +24% synergy
Danny Pink
20% of 5 decks +18% synergy
Mirkwood Bats
20% of 5 decks +8% synergy
Mindbender Spores
17% of 6 decks +17% synergy
Thorn Thallid
17% of 6 decks +17% synergy
Thallid Devourer
17% of 6 decks +17% synergy
Gilder Bairn
17% of 6 decks +16% synergy
Thallid Soothsayer
17% of 6 decks +16% synergy
Thelonite Hermit
17% of 6 decks +16% synergy
Korozda Guildmage
17% of 6 decks +16% synergy
Nullmage Shepherd
17% of 6 decks +16% synergy
Pir, Imaginative Rascal
17% of 6 decks +16% synergy
Creakwood Liege
17% of 6 decks +15% synergy
Merfolk Skydiver
17% of 6 decks +15% synergy
Scurry Oak
17% of 6 decks +15% synergy
Skyfisher Spider
17% of 6 decks +15% synergy
Vigor
17% of 6 decks +14% synergy
Flux Channeler
17% of 6 decks +14% synergy
Haywire Mite
17% of 6 decks +13% synergy
Corpsejack Menace
17% of 6 decks +12% synergy
Kiora's Follower
17% of 6 decks +11% synergy
Craterhoof Behemoth
17% of 6 decks +11% synergy
Instants
Aura Mutation
100% of 2 decks +96% synergy
Mutational Advantage
67% of 3 decks +61% synergy
Counterspell
67% of 6 decks +24% synergy
Brokers Confluence
50% of 2 decks +48% synergy
Ripples of Potential
50% of 4 decks +47% synergy
Generous Gift
50% of 2 decks +24% synergy
Assassin's Trophy
50% of 6 decks +20% synergy
Prologue to Phyresis
33% of 6 decks +31% synergy
Experimental Augury
33% of 6 decks +30% synergy
Golgari Charm
33% of 6 decks +28% synergy
Atomize
33% of 3 decks +27% synergy
Putrefy
33% of 6 decks +17% synergy
Negate
33% of 6 decks +11% synergy
See Double
20% of 5 decks +18% synergy
Sprout Swarm
17% of 6 decks +16% synergy
Mystic Reflection
17% of 6 decks +15% synergy
Plumb the Forbidden
17% of 6 decks +14% synergy
Gaea's Gift
17% of 6 decks +13% synergy
Snakeskin Veil
17% of 6 decks +13% synergy
Sultai Charm
17% of 6 decks +12% synergy
Return to Nature
17% of 6 decks +10% synergy
Reality Shift
17% of 6 decks +8% synergy
Deadly Dispute
17% of 6 decks +5% synergy
Dark Ritual
17% of 6 decks -6% synergy
Cyclonic Rift
17% of 6 decks -11% synergy
Heroic Intervention
17% of 6 decks -13% synergy
Sorceries
Unnatural Restoration
67% of 6 decks +63% synergy
Kodama's Reach
67% of 6 decks +35% synergy
Nature's Lore
67% of 6 decks +35% synergy
Farseek
67% of 6 decks +32% synergy
Cleansing Meditation
50% of 2 decks +50% synergy
Saproling Symbiosis
50% of 6 decks +49% synergy
Rout
50% of 2 decks +49% synergy
Tezzeret's Gambit
50% of 6 decks +46% synergy
Rampant Growth
50% of 6 decks +15% synergy
Three Visits
33% of 6 decks +9% synergy
Cultivate
33% of 6 decks -13% synergy
Squirming Emergence
25% of 4 decks +22% synergy
Gaea's Bounty
17% of 6 decks +17% synergy
Death Mutation
17% of 6 decks +17% synergy
Morbid Bloom
17% of 6 decks +17% synergy
Aether Mutation
17% of 6 decks +17% synergy
Cruel Tutor
17% of 6 decks +16% synergy
Saproling Migration
17% of 6 decks +16% synergy
Gruesome Fate
17% of 6 decks +16% synergy
Replication Technique
17% of 6 decks +16% synergy
Primal Growth
17% of 6 decks +16% synergy
Carnivorous Canopy
17% of 6 decks +16% synergy
Fungal Sprouting
17% of 6 decks +16% synergy
Clone Legion
17% of 6 decks +15% synergy
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17% of 6 decks +15% synergy
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17% of 6 decks +8% synergy
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17% of 6 decks +8% synergy
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17% of 6 decks -1% synergy
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50% of 2 decks +49% synergy
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50% of 6 decks +45% synergy
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33% of 6 decks +33% synergy
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Doubling Season
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17% of 6 decks +15% synergy
Cryptolith Rite
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Imprisoned in the Moon
17% of 6 decks +13% synergy
Kindred Discovery
17% of 6 decks +9% synergy
Wild Growth
17% of 6 decks +6% synergy
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17% of 6 decks -1% synergy
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The Wanderer
50% of 2 decks +49% synergy
Kaya, Intangible Slayer
50% of 2 decks +48% synergy
Tyvar, Jubilant Brawler
50% of 6 decks +45% synergy
Vraska, Golgari Queen
33% of 6 decks +30% synergy
Nissa, Voice of Zendikar
17% of 6 decks +16% synergy
Ashiok, Dream Render
17% of 6 decks +13% synergy
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Calciform Pools
50% of 2 decks +49% synergy
Saltcrusted Steppe
50% of 2 decks +49% synergy
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50% of 2 decks +49% synergy
Karn's Bastion
50% of 6 decks +45% synergy
Hall of Heliod's Generosity
50% of 2 decks +43% synergy
Three Tree City
50% of 2 decks +40% synergy
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Yavimaya, Cradle of Growth
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Temple of the False God
33% of 6 decks +24% synergy
Arena
17% of 6 decks +17% synergy
Dreadship Reef
17% of 6 decks +16% synergy
Nesting Grounds
17% of 6 decks +15% synergy
Academy Ruins
17% of 6 decks +12% synergy
Castle Garenbrig
17% of 6 decks +12% synergy
Reliquary Tower
17% of 6 decks -13% synergy
Bojuka Bog
17% of 6 decks -14% synergy
Mana Artifacts
Sol Ring
83% of 6 decks -1% synergy
Astral Cornucopia
50% of 6 decks +49% synergy
Everflowing Chalice
50% of 6 decks +45% synergy
Arcane Signet
50% of 6 decks -22% synergy
Replicating Ring
33% of 6 decks +32% synergy
Fellwar Stone
33% of 6 decks +12% synergy
Commander's Sphere
17% of 6 decks +1% synergy
Lands
Exotic Orchard
67% of 6 decks +31% synergy
Command Tower
67% of 6 decks -7% synergy
Vivid Meadow
50% of 2 decks +49% synergy
Talon Gates of Madara
50% of 2 decks +47% synergy
Vineglimmer Snarl
50% of 6 decks +40% synergy
Necroblossom Snarl
50% of 6 decks +38% synergy
Path of Ancestry
50% of 6 decks +29% synergy
Bountiful Promenade
50% of 2 decks +26% synergy
Sea of Clouds
50% of 2 decks +24% synergy
Opulent Palace
50% of 6 decks +23% synergy
Woodland Cemetery
50% of 6 decks +22% synergy
Rejuvenating Springs
50% of 6 decks +21% synergy
Prairie Stream
50% of 2 decks +16% synergy
Sunken Hollow
50% of 6 decks +15% synergy
Temple Garden
50% of 2 decks +10% synergy
Vivid Marsh
33% of 6 decks +33% synergy
Vivid Creek
33% of 6 decks +32% synergy
Vivid Grove
33% of 6 decks +32% synergy
Urza's Cave
33% of 3 decks +29% synergy
Tangled Islet
33% of 6 decks +26% synergy
Foreboding Landscape
33% of 3 decks +20% synergy
Dreamroot Cascade
33% of 6 decks +15% synergy
Evolving Wilds
33% of 6 decks +12% synergy
Drowned Catacomb
33% of 6 decks +8% synergy
Undergrowth Stadium
33% of 6 decks +7% synergy
Hinterland Harbor
33% of 6 decks +6% synergy
Breeding Pool
33% of 6 decks -8% synergy
Overgrown Tomb
33% of 6 decks -9% synergy
Mirrodin's Core
17% of 6 decks +17% synergy
Tendo Ice Bridge
17% of 6 decks +17% synergy
Thriving Grove
17% of 6 decks +14% synergy
Thriving Isle
17% of 6 decks +14% synergy
Ice Tunnel
17% of 6 decks +14% synergy
Unclaimed Territory
17% of 6 decks +12% synergy
Prismatic Vista
17% of 6 decks +11% synergy
Haunted Mire
17% of 6 decks +9% synergy
Barkchannel Pathway
17% of 6 decks +8% synergy
Jungle Hollow
17% of 6 decks +8% synergy
Fabled Passage
17% of 6 decks +8% synergy
Clearwater Pathway
17% of 6 decks +7% synergy
Verdant Catacombs
17% of 6 decks +5% synergy
Flooded Grove
17% of 6 decks +4% synergy
Darkwater Catacombs
17% of 6 decks +2% synergy
Terramorphic Expanse
17% of 6 decks +1% synergy
Temple of Malady
17% of 6 decks +0% synergy
Temple of Deceit
17% of 6 decks +0% synergy
Temple of Mystery
17% of 6 decks -1% synergy
Myriad Landscape
17% of 6 decks -3% synergy
Llanowar Wastes
17% of 6 decks -9% synergy
Morphic Pool
17% of 6 decks -9% synergy