Phyrexian Altar
Doubling Season
1

   Prerequisites

What do I need to start this combo?
Prossh in the command zone.
Phyrexian Altar and Doubling Season on the battlefield.
Prossh must be your commander.
3 plus enough mana to pay for commander tax, if applicable available

   Steps

How does this combo work?
1
Cast Prossh from the command zone by paying 3 and commander tax, if applicable.
2
Prossh triggers, creating a number of 0/1 Kobolds of Kher Keep creature tokens equal to twice the amount of mana spent to cast Prossh.
3
Activate Phyrexian Altar three times by sacrificing Prossh and two Kobolds, adding .
4
Choose to return Prossh to the command zone from your graveyard.
5
Activate Phyrexian Altar by sacrificing a Kobold, adding 1.
6
Repeat step 5 until you have enough mana to cast Prossh.
7
Repeat from step 1.

   Results

What do I get from this combo?
Infinite colored mana
Infinite commander casts
Infinite creature tokens
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers
Prossh, Skyraider of Kher
10.79% of 5591 decks 603 decks
New Cards
Infantry Shield
5% of 63 decks +4% synergy
Encroaching Dragonstorm
3% of 68 decks +2% synergy
Sinkhole Surveyor
2% of 53 decks +2% synergy
Warden of the Grove
2% of 53 decks +1% synergy
Heritage Reclamation
2% of 59 decks +1% synergy
High Synergy Cards
Purphoros, God of the Forge
81% of 603 decks +77% synergy
Parallel Lives
81% of 603 decks +74% synergy
Impact Tremors
82% of 603 decks +74% synergy
Ashnod's Altar
88% of 603 decks +73% synergy
Skullclamp
84% of 603 decks +67% synergy
Zulaport Cutthroat
76% of 603 decks +64% synergy
Chatterfang, Squirrel General
73% of 603 decks +63% synergy
Goblin Bombardment
76% of 603 decks +63% synergy
Blood Artist
70% of 603 decks +60% synergy
Pitiless Plunderer
74% of 603 decks +59% synergy
Top Cards
Ignoble Hierarch
70% of 603 decks +13% synergy
Birds of Paradise
64% of 603 decks +29% synergy
Mayhem Devil
62% of 603 decks +39% synergy
Mirkwood Bats
62% of 583 decks +47% synergy
Korvold, Fae-Cursed King
59% of 603 decks +48% synergy
Assassin's Trophy
56% of 603 decks +15% synergy
Sakura-Tribe Elder
56% of 603 decks +17% synergy
Fecundity
54% of 603 decks +51% synergy
Cultivate
54% of 603 decks +11% synergy
Farseek
53% of 603 decks +8% synergy
Game Changers
Food Chain
66% of 603 decks +62% synergy
Demonic Tutor
52% of 603 decks +33% synergy
Vampiric Tutor
37% of 603 decks +23% synergy
Worldly Tutor
23% of 603 decks +12% synergy
Deflecting Swat
23% of 603 decks +7% synergy
Ancient Tomb
21% of 603 decks +12% synergy
Gaea's Cradle
18% of 603 decks +15% synergy
Mana Vault
14% of 603 decks +9% synergy
Field of the Dead
13% of 603 decks +6% synergy
Necropotence
7% of 603 decks +4% synergy
Creatures
Eternal Witness
45% of 603 decks +13% synergy
Viscera Seer
43% of 603 decks +29% synergy
Mahadi, Emporium Master
41% of 603 decks +28% synergy
Avenger of Zendikar
38% of 603 decks +26% synergy
Craterhoof Behemoth
37% of 603 decks +35% synergy
Warren Soultrader
37% of 368 decks +28% synergy
Poison-Tip Archer
36% of 603 decks +32% synergy
Agate Instigator
33% of 324 decks +32% synergy
Endrek Sahr, Master Breeder
33% of 603 decks +31% synergy
Marionette Apprentice
32% of 368 decks +26% synergy
Llanowar Elves
31% of 603 decks +15% synergy
Enduring Vitality
30% of 269 decks +27% synergy
Smothering Abomination
29% of 603 decks +26% synergy
Garna, Bloodfist of Keld
28% of 603 decks +25% synergy
Squee, the Immortal
27% of 603 decks +21% synergy
Ophiomancer
26% of 603 decks +24% synergy
Mycoloth
26% of 603 decks +21% synergy
Witty Roastmaster
25% of 603 decks +24% synergy
Delighted Halfling
24% of 595 decks +12% synergy
Goblin Sharpshooter
22% of 603 decks +21% synergy
Yawgmoth, Thran Physician
22% of 603 decks +19% synergy
Enduring Courage
22% of 271 decks +17% synergy
Elvish Mystic
22% of 603 decks +11% synergy
Elves of Deep Shadow
21% of 603 decks +9% synergy
Syr Konrad, the Grim
20% of 603 decks +7% synergy
Juri, Master of the Revue
20% of 603 decks +9% synergy
Anger
20% of 603 decks +0% synergy
Deathrite Shaman
19% of 603 decks +5% synergy
Dragon Broodmother
18% of 603 decks +15% synergy
Lagomos, Hand of Hatred
18% of 603 decks +14% synergy
Mazirek, Kraul Death Priest
18% of 603 decks +11% synergy
Xenagos, God of Revels
18% of 603 decks +10% synergy
Dockside Extortionist
17% of 603 decks +7% synergy
Sprouting Thrinax
16% of 603 decks +11% synergy
Beledros Witherbloom
16% of 603 decks +13% synergy
Butcher of Malakir
16% of 603 decks +10% synergy
Compy Swarm
16% of 511 decks +14% synergy
Fyndhorn Elves
15% of 603 decks +8% synergy
Devilish Valet
15% of 603 decks +14% synergy
Tendershoot Dryad
14% of 603 decks +10% synergy
Molten Gatekeeper
14% of 364 decks +13% synergy
Wood Elves
14% of 603 decks +8% synergy
Deathbringer Thoctar
13% of 603 decks +12% synergy
Solemn Simulacrum
13% of 603 decks -6% synergy
Ogre Battledriver
13% of 603 decks +12% synergy
Reclamation Sage
13% of 603 decks +6% synergy
Gluttonous Hellkite
13% of 364 decks +6% synergy
Braids, Arisen Nightmare
12% of 603 decks -1% synergy
Scute Swarm
12% of 603 decks +3% synergy
Dragonlair Spider
11% of 603 decks +8% synergy
Instants
Beast Within
52% of 603 decks +12% synergy
Heroic Intervention
37% of 603 decks +11% synergy
Artifact Mutation
31% of 603 decks +23% synergy
Chaos Warp
30% of 603 decks +1% synergy
Village Rites
27% of 603 decks +16% synergy
Terminate
24% of 603 decks -3% synergy
Dark Ritual
21% of 603 decks +8% synergy
Plumb the Forbidden
20% of 603 decks +17% synergy
Putrefy
18% of 603 decks +3% synergy
Deadly Dispute
16% of 603 decks -0% synergy
Abrupt Decay
16% of 603 decks +3% synergy
Second Harvest
15% of 603 decks +12% synergy
Chord of Calling
14% of 603 decks +11% synergy
Krosan Grip
13% of 603 decks +7% synergy
Nature's Claim
13% of 603 decks +5% synergy
Deadly Rollick
13% of 603 decks +2% synergy
Corrupted Conviction
11% of 603 decks +6% synergy
Return of the Wildspeaker
11% of 603 decks +2% synergy
Red Elemental Blast
8% of 603 decks +2% synergy
Crop Rotation
8% of 603 decks -5% synergy
Pyroblast
8% of 603 decks +2% synergy
Tear Asunder
8% of 603 decks +1% synergy
Fresh Meat
8% of 603 decks +8% synergy
Veil of Summer
8% of 603 decks +1% synergy
Bedevil
8% of 603 decks -1% synergy
Tragic Slip
7% of 603 decks +5% synergy
Fell the Profane
7% of 368 decks +1% synergy
Harrow
7% of 603 decks -8% synergy
Blood for the Blood God!
7% of 603 decks +5% synergy
Tainted Strike
7% of 603 decks +4% synergy
Arachnogenesis
6% of 603 decks +3% synergy
Culling the Weak
6% of 603 decks +1% synergy
Noxious Revival
6% of 603 decks -2% synergy
Body Count
5% of 603 decks +5% synergy
Tend the Pests
5% of 603 decks +4% synergy
Fling
5% of 603 decks -1% synergy
Sorceries
Nature's Lore
48% of 603 decks +14% synergy
Three Visits
42% of 603 decks +16% synergy
Diabolic Intent
41% of 603 decks +30% synergy
Kodama's Reach
41% of 603 decks +11% synergy
Blasphemous Act
36% of 603 decks -3% synergy
Toxic Deluge
28% of 603 decks +12% synergy
Rampant Growth
28% of 603 decks -8% synergy
Damnation
23% of 603 decks +15% synergy
Skyshroud Claim
20% of 603 decks +14% synergy
Song of Totentanz
20% of 545 decks +18% synergy
Tempt with Vengeance
16% of 603 decks +15% synergy
Blasphemous Edict
16% of 223 decks +8% synergy
Victimize
16% of 603 decks -8% synergy
Vandalblast
15% of 603 decks +4% synergy
Finale of Devastation
13% of 603 decks +7% synergy
Grim Tutor
12% of 603 decks +9% synergy
Shamanic Revelation
12% of 603 decks +9% synergy
Jeska's Will
12% of 603 decks +3% synergy
Bala Ged Recovery
12% of 603 decks +1% synergy
Green Sun's Zenith
11% of 603 decks +8% synergy
Reanimate
10% of 603 decks -11% synergy
Culling Ritual
10% of 603 decks -3% synergy
Awaken the Woods
9% of 603 decks +7% synergy
Pest Infestation
9% of 603 decks +8% synergy
Diabolic Tutor
9% of 603 decks +5% synergy
Crux of Fate
9% of 603 decks +5% synergy
Chandra's Ignition
7% of 603 decks -6% synergy
Decimate
7% of 603 decks -1% synergy
Tooth and Nail
7% of 603 decks +6% synergy
Overwhelming Stampede
7% of 603 decks +5% synergy
Imperial Seal
7% of 603 decks +2% synergy
Rishkar's Expertise
7% of 603 decks -3% synergy
Hull Breach
6% of 603 decks +4% synergy
Triumph of the Hordes
6% of 603 decks +5% synergy
Descent of the Dragons
6% of 603 decks +6% synergy
Maelstrom Pulse
6% of 603 decks +2% synergy
Beseech the Mirror
6% of 549 decks +3% synergy
Eldritch Evolution
5% of 603 decks -1% synergy
Torment of Hailfire
5% of 603 decks -2% synergy
Utility Artifacts
Lightning Greaves
38% of 603 decks +12% synergy
Swiftfoot Boots
24% of 603 decks -2% synergy
Jeweled Lotus
9% of 603 decks +5% synergy
Commander's Sphere
8% of 603 decks -3% synergy
Tarrian's Soulcleaver
8% of 509 decks +5% synergy
Sensei's Divining Top
7% of 603 decks +5% synergy
Bolas's Citadel
6% of 603 decks +4% synergy
The One Ring
6% of 603 decks +1% synergy
Lotus Petal
5% of 603 decks -1% synergy
The Great Henge
5% of 603 decks -2% synergy
Enchantments
Dictate of Erebos
48% of 603 decks +43% synergy
Bastion of Remembrance
45% of 603 decks +40% synergy
Moldervine Reclamation
41% of 603 decks +31% synergy
Cryptolith Rite
38% of 603 decks +36% synergy
Beastmaster Ascension
36% of 603 decks +33% synergy
Grave Pact
31% of 603 decks +27% synergy
Sylvan Library
31% of 603 decks +21% synergy
The Meathook Massacre
30% of 603 decks +27% synergy
Growing Rites of Itlimoc
25% of 603 decks +23% synergy
Primal Vigor
24% of 603 decks +21% synergy
Rhythm of the Wild
22% of 603 decks +1% synergy
Awakening Zone
20% of 603 decks +15% synergy
Insidious Roots
19% of 441 decks +14% synergy
Phyrexian Arena
17% of 603 decks +8% synergy
Bitterblossom
13% of 603 decks +11% synergy
Black Market Connections
13% of 603 decks +5% synergy
Earthcraft
12% of 603 decks +12% synergy
Black Market
10% of 603 decks +9% synergy
Funeral Room // Awakening Hall
10% of 275 decks +9% synergy
Shared Animosity
10% of 603 decks +8% synergy
Greater Good
9% of 603 decks -6% synergy
Fires of Yavimaya
9% of 603 decks +5% synergy
City on Fire
7% of 603 decks +4% synergy
Into the Pit
6% of 268 decks +5% synergy
Deathreap Ritual
6% of 603 decks -4% synergy
Mana Echoes
5% of 603 decks +5% synergy
Planeswalkers
Xenagos, the Reveler
35% of 603 decks +33% synergy
Liliana, Dreadhorde General
18% of 603 decks +15% synergy
Tevesh Szat, Doom of Fools
8% of 603 decks +7% synergy
Sarkhan Vol
6% of 603 decks +6% synergy
Garruk Wildspeaker
5% of 603 decks +5% synergy
Utility Lands
Kher Keep
49% of 603 decks +46% synergy
Phyrexian Tower
48% of 603 decks +37% synergy
Urborg, Tomb of Yawgmoth
48% of 603 decks +29% synergy
Yavimaya, Cradle of Growth
45% of 603 decks +23% synergy
Bojuka Bog
36% of 603 decks +7% synergy
Reliquary Tower
32% of 603 decks +12% synergy
Kessig Wolf Run
29% of 603 decks +7% synergy
Boseiju, Who Endures
29% of 603 decks +8% synergy
Rogue's Passage
19% of 603 decks +4% synergy
Temple of the False God
17% of 603 decks +8% synergy
Westvale Abbey
16% of 603 decks +15% synergy
Cabal Coffers
16% of 603 decks +11% synergy
High Market
12% of 603 decks +7% synergy
Khalni Garden
11% of 603 decks +9% synergy
Three Tree City
10% of 331 decks +8% synergy
Dryad Arbor
9% of 603 decks +5% synergy
Sokenzan, Crucible of Defiance
8% of 603 decks +5% synergy
Takenuma, Abandoned Mire
8% of 603 decks -4% synergy
Shizo, Death's Storehouse
7% of 603 decks +5% synergy
Strip Mine
7% of 603 decks +1% synergy
Grim Backwoods
7% of 603 decks +4% synergy
Arena of Glory
6% of 366 decks +1% synergy
Mana Artifacts
Sol Ring
93% of 603 decks +11% synergy
Arcane Signet
73% of 603 decks +3% synergy
Chromatic Lantern
18% of 603 decks +10% synergy
Golgari Signet
18% of 603 decks +5% synergy
Rakdos Signet
16% of 603 decks +4% synergy
Gruul Signet
15% of 603 decks +3% synergy
Mana Crypt
13% of 603 decks +8% synergy
Fellwar Stone
13% of 603 decks -3% synergy
Talisman of Resilience
12% of 603 decks -3% synergy
Talisman of Indulgence
10% of 603 decks -2% synergy
Talisman of Impulse
10% of 603 decks -2% synergy
Chrome Mox
6% of 603 decks +2% synergy
Lands
Command Tower
95% of 603 decks +5% synergy
Overgrown Tomb
81% of 603 decks +32% synergy
Stomping Ground
80% of 603 decks +30% synergy
Blood Crypt
78% of 603 decks +32% synergy
Ziatora's Proving Ground
69% of 603 decks +18% synergy
Verdant Catacombs
59% of 603 decks +23% synergy
Bloodstained Mire
59% of 603 decks +23% synergy
Wooded Foothills
58% of 603 decks +23% synergy
Undergrowth Stadium
51% of 603 decks +17% synergy
Spire Garden
51% of 603 decks +19% synergy
Woodland Cemetery
49% of 603 decks +17% synergy
Luxury Suite
48% of 603 decks +17% synergy
Rootbound Crag
48% of 603 decks +20% synergy
Dragonskull Summit
48% of 603 decks +17% synergy
Savage Lands
45% of 603 decks -3% synergy
Exotic Orchard
36% of 603 decks -15% synergy
Cinder Glade
34% of 603 decks -12% synergy
Smoldering Marsh
29% of 603 decks -12% synergy
Llanowar Wastes
29% of 603 decks +5% synergy
Taiga
26% of 603 decks +13% synergy
Badlands
26% of 603 decks +13% synergy
Bayou
25% of 603 decks +12% synergy
Rockfall Vale
25% of 603 decks -1% synergy
Haunted Ridge
21% of 603 decks +6% synergy
Deathcap Glade
21% of 603 decks +5% synergy
Karplusan Forest
20% of 603 decks +3% synergy
City of Brass
19% of 603 decks +10% synergy
Sulfurous Springs
18% of 603 decks +2% synergy
Fabled Passage
16% of 603 decks -1% synergy
Evolving Wilds
16% of 603 decks -14% synergy
Underground Mortuary
15% of 451 decks -2% synergy
Twilight Mire
14% of 603 decks +4% synergy
Mana Confluence
14% of 603 decks +6% synergy
Reflecting Pool
13% of 603 decks +7% synergy
Raucous Theater
13% of 451 decks -3% synergy
Commercial District
12% of 451 decks -4% synergy
Windswept Heath
12% of 603 decks +1% synergy
Terramorphic Expanse
12% of 603 decks -12% synergy
Golgari Rot Farm
11% of 603 decks -3% synergy
Twisted Landscape
11% of 366 decks -17% synergy
Blightstep Pathway
11% of 603 decks +4% synergy
Thornspire Verge
10% of 275 decks +2% synergy
Polluted Delta
10% of 603 decks +1% synergy
Misty Rainforest
10% of 603 decks -0% synergy
Darkbore Pathway
10% of 603 decks +3% synergy
Arid Mesa
9% of 603 decks -1% synergy
Graven Cairns
9% of 603 decks +5% synergy
Cragcrown Pathway
9% of 603 decks +2% synergy
Blazemire Verge
9% of 275 decks +1% synergy
Marsh Flats
9% of 603 decks -2% synergy