Phyrexian Altar
Doubling Season

   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
10.89% of 5893 decks 642 decks
New Cards
Sephiroth, Fabled SOLDIER
26% of 129 decks +24% synergy
Midgar, City of Mako
9% of 115 decks +7% synergy
Evendo, Waking Haven
7% of 45 decks +3% synergy
Umbral Collar Zealot
7% of 46 decks +5% synergy
Weftstalker Ardent
4% of 48 decks +4% synergy
High Synergy Cards
Purphoros, God of the Forge
81% of 642 decks +77% synergy
Parallel Lives
82% of 642 decks +75% synergy
Ashnod's Altar
87% of 642 decks +74% synergy
Impact Tremors
81% of 642 decks +74% synergy
Skullclamp
84% of 642 decks +69% synergy
Zulaport Cutthroat
76% of 642 decks +66% synergy
Chatterfang, Squirrel General
74% of 642 decks +65% synergy
Goblin Bombardment
75% of 642 decks +63% synergy
Blood Artist
71% of 642 decks +62% synergy
Pitiless Plunderer
76% of 642 decks +62% synergy
Top Cards
Ignoble Hierarch
71% of 642 decks +15% synergy
Mirkwood Bats
65% of 642 decks +50% synergy
Mayhem Devil
64% of 642 decks +40% synergy
Birds of Paradise
63% of 642 decks +29% synergy
Korvold, Fae-Cursed King
60% of 642 decks +47% synergy
Sakura-Tribe Elder
58% of 642 decks +20% synergy
Fecundity
57% of 642 decks +54% synergy
Assassin's Trophy
56% of 642 decks +15% synergy
Farseek
55% of 642 decks +9% synergy
Cultivate
54% of 642 decks +11% synergy
Game Changers
Food Chain
66% of 642 decks +62% synergy
Demonic Tutor
50% of 642 decks +32% synergy
Vampiric Tutor
36% of 642 decks +22% synergy
Deflecting Swat
24% of 642 decks +7% synergy
Worldly Tutor
23% of 642 decks +12% synergy
Ancient Tomb
21% of 642 decks +12% synergy
Gaea's Cradle
17% of 642 decks +13% synergy
Field of the Dead
14% of 642 decks +6% synergy
Mana Vault
12% of 642 decks +8% synergy
Bolas's Citadel
7% of 642 decks +5% synergy
Creatures
Eternal Witness
44% of 642 decks +14% synergy
Viscera Seer
43% of 642 decks +30% synergy
Mahadi, Emporium Master
41% of 642 decks +29% synergy
Warren Soultrader
40% of 466 decks +31% synergy
Avenger of Zendikar
38% of 642 decks +28% synergy
Poison-Tip Archer
36% of 642 decks +33% synergy
Craterhoof Behemoth
36% of 642 decks +33% synergy
Agate Instigator
34% of 427 decks +32% synergy
Endrek Sahr, Master Breeder
33% of 642 decks +31% synergy
Marionette Apprentice
33% of 466 decks +27% synergy
Llanowar Elves
30% of 642 decks +15% synergy
Smothering Abomination
28% of 642 decks +26% synergy
Enduring Vitality
28% of 374 decks +25% synergy
Squee, the Immortal
27% of 642 decks +22% synergy
Ophiomancer
27% of 642 decks +25% synergy
Garna, Bloodfist of Keld
27% of 642 decks +24% synergy
Mycoloth
26% of 642 decks +22% synergy
Delighted Halfling
26% of 642 decks +14% synergy
Witty Roastmaster
25% of 642 decks +24% synergy
Goblin Sharpshooter
22% of 642 decks +21% synergy
Yawgmoth, Thran Physician
22% of 642 decks +19% synergy
Elvish Mystic
22% of 642 decks +12% synergy
Syr Konrad, the Grim
20% of 642 decks +8% synergy
Juri, Master of the Revue
20% of 642 decks +8% synergy
Anger
19% of 642 decks -0% synergy
Enduring Courage
19% of 376 decks +15% synergy
Elves of Deep Shadow
19% of 642 decks +8% synergy
Dragon Broodmother
18% of 642 decks +16% synergy
Lagomos, Hand of Hatred
18% of 642 decks +14% synergy
Deathrite Shaman
17% of 642 decks +5% synergy
Mazirek, Kraul Death Priest
17% of 642 decks +8% synergy
Butcher of Malakir
16% of 642 decks +11% synergy
Beledros Witherbloom
16% of 642 decks +13% synergy
Sprouting Thrinax
16% of 642 decks +11% synergy
Devilish Valet
16% of 642 decks +15% synergy
Xenagos, God of Revels
15% of 642 decks +8% synergy
Molten Gatekeeper
15% of 464 decks +14% synergy
Compy Swarm
14% of 602 decks +13% synergy
Tendershoot Dryad
14% of 642 decks +10% synergy
Fyndhorn Elves
14% of 642 decks +7% synergy
Deathbringer Thoctar
13% of 642 decks +12% synergy
Solemn Simulacrum
13% of 642 decks -4% synergy
Dockside Extortionist
13% of 642 decks +6% synergy
Wood Elves
13% of 642 decks +8% synergy
Reclamation Sage
12% of 642 decks +6% synergy
Ziatora, the Incinerator
12% of 642 decks -6% synergy
Scute Swarm
12% of 642 decks +1% synergy
Ogre Battledriver
11% of 642 decks +10% synergy
Braids, Arisen Nightmare
11% of 642 decks -3% synergy
Gluttonous Hellkite
11% of 463 decks +5% synergy
Instants
Beast Within
52% of 642 decks +12% synergy
Heroic Intervention
36% of 642 decks +10% synergy
Artifact Mutation
32% of 642 decks +26% synergy
Chaos Warp
31% of 642 decks +3% synergy
Village Rites
29% of 642 decks +19% synergy
Terminate
24% of 642 decks -2% synergy
Dark Ritual
23% of 642 decks +10% synergy
Putrefy
19% of 642 decks +2% synergy
Plumb the Forbidden
18% of 642 decks +16% synergy
Deadly Dispute
18% of 642 decks +2% synergy
Second Harvest
15% of 642 decks +12% synergy
Abrupt Decay
14% of 642 decks +2% synergy
Deadly Rollick
14% of 642 decks +3% synergy
Krosan Grip
14% of 642 decks +8% synergy
Chord of Calling
12% of 642 decks +10% synergy
Nature's Claim
12% of 642 decks +4% synergy
Return of the Wildspeaker
11% of 642 decks +3% synergy
Corrupted Conviction
10% of 642 decks +5% synergy
Tear Asunder
9% of 642 decks +0% synergy
Tragic Slip
8% of 642 decks +6% synergy
Fresh Meat
8% of 642 decks +8% synergy
Bedevil
8% of 642 decks -0% synergy
Veil of Summer
8% of 642 decks +1% synergy
Pyroblast
7% of 642 decks +2% synergy
Red Elemental Blast
7% of 642 decks +2% synergy
Crop Rotation
7% of 642 decks -7% synergy
Blood for the Blood God!
7% of 642 decks +6% synergy
Tainted Strike
7% of 642 decks +5% synergy
Harrow
7% of 642 decks -10% synergy
Fell the Profane
6% of 466 decks +0% synergy
Culling the Weak
6% of 642 decks +2% synergy
Arachnogenesis
6% of 642 decks +3% synergy
Fling
6% of 642 decks -0% synergy
Noxious Revival
6% of 642 decks -1% synergy
Body Count
6% of 642 decks +5% synergy
Tend the Pests
5% of 642 decks +4% synergy
Sorceries
Nature's Lore
50% of 642 decks +15% synergy
Three Visits
43% of 642 decks +18% synergy
Kodama's Reach
41% of 642 decks +13% synergy
Diabolic Intent
40% of 642 decks +29% synergy
Blasphemous Act
37% of 642 decks -3% synergy
Rampant Growth
29% of 642 decks -6% synergy
Toxic Deluge
28% of 642 decks +11% synergy
Damnation
21% of 642 decks +14% synergy
Skyshroud Claim
19% of 642 decks +12% synergy
Song of Totentanz
19% of 636 decks +17% synergy
Tempt with Vengeance
17% of 642 decks +15% synergy
Victimize
16% of 642 decks -6% synergy
Blasphemous Edict
15% of 326 decks +8% synergy
Vandalblast
15% of 642 decks +4% synergy
Bala Ged Recovery
12% of 642 decks +2% synergy
Shamanic Revelation
12% of 642 decks +10% synergy
Grim Tutor
11% of 642 decks +8% synergy
Finale of Devastation
11% of 642 decks +6% synergy
Jeska's Will
11% of 642 decks +3% synergy
Green Sun's Zenith
10% of 642 decks +7% synergy
Culling Ritual
10% of 642 decks -2% synergy
Diabolic Tutor
9% of 642 decks +5% synergy
Reanimate
9% of 642 decks -12% synergy
Pest Infestation
9% of 642 decks +6% synergy
Awaken the Woods
8% of 642 decks +6% synergy
Crux of Fate
8% of 642 decks +5% synergy
Chandra's Ignition
8% of 642 decks -6% synergy
Overwhelming Stampede
8% of 642 decks +6% synergy
Decimate
7% of 642 decks -1% synergy
Rishkar's Expertise
7% of 642 decks -3% synergy
Tooth and Nail
7% of 642 decks +6% synergy
Descent of the Dragons
6% of 642 decks +5% synergy
Imperial Seal
6% of 642 decks +2% synergy
Hull Breach
6% of 642 decks +3% synergy
Beseech the Mirror
5% of 640 decks +3% synergy
Torment of Hailfire
5% of 642 decks -1% synergy
Triumph of the Hordes
5% of 642 decks +4% synergy
Maelstrom Pulse
5% of 642 decks +1% synergy
Eldritch Evolution
5% of 642 decks -1% synergy
Utility Artifacts
Lightning Greaves
39% of 642 decks +14% synergy
Swiftfoot Boots
24% of 642 decks -1% synergy
Tarrian's Soulcleaver
8% of 601 decks +5% synergy
The One Ring
7% of 642 decks +2% synergy
Sensei's Divining Top
7% of 642 decks +5% synergy
The Great Henge
5% of 642 decks -2% synergy
Enchantments
Dictate of Erebos
48% of 642 decks +43% synergy
Bastion of Remembrance
46% of 642 decks +41% synergy
Moldervine Reclamation
42% of 642 decks +33% synergy
Cryptolith Rite
38% of 642 decks +36% synergy
Beastmaster Ascension
35% of 642 decks +32% synergy
Grave Pact
33% of 642 decks +29% synergy
The Meathook Massacre
30% of 642 decks +27% synergy
Sylvan Library
30% of 642 decks +21% synergy
Growing Rites of Itlimoc
23% of 642 decks +21% synergy
Primal Vigor
22% of 642 decks +20% synergy
Rhythm of the Wild
21% of 642 decks +1% synergy
Awakening Zone
21% of 642 decks +16% synergy
Insidious Roots
18% of 538 decks +14% synergy
Phyrexian Arena
17% of 642 decks +8% synergy
Bitterblossom
14% of 642 decks +11% synergy
Black Market Connections
13% of 642 decks +5% synergy
Earthcraft
11% of 642 decks +10% synergy
Black Market
10% of 642 decks +9% synergy
Funeral Room // Awakening Hall
10% of 383 decks +9% synergy
Shared Animosity
10% of 642 decks +8% synergy
Greater Good
9% of 642 decks -6% synergy
Fires of Yavimaya
8% of 642 decks +5% synergy
Necropotence
7% of 642 decks +4% synergy
City on Fire
7% of 642 decks +5% synergy
Deathreap Ritual
6% of 642 decks -4% synergy
Mana Echoes
5% of 642 decks +5% synergy
Planeswalkers
Xenagos, the Reveler
35% of 642 decks +33% synergy
Liliana, Dreadhorde General
18% of 642 decks +15% synergy
Tevesh Szat, Doom of Fools
8% of 642 decks +7% synergy
Sarkhan Vol
6% of 642 decks +6% synergy
Garruk Wildspeaker
5% of 642 decks +5% synergy
Utility Lands
Kher Keep
51% of 642 decks +48% synergy
Phyrexian Tower
50% of 642 decks +39% synergy
Urborg, Tomb of Yawgmoth
48% of 642 decks +29% synergy
Yavimaya, Cradle of Growth
44% of 642 decks +22% synergy
Bojuka Bog
35% of 642 decks +5% synergy
Reliquary Tower
32% of 642 decks +13% synergy
Boseiju, Who Endures
30% of 642 decks +10% synergy
Kessig Wolf Run
30% of 642 decks +7% synergy
Rogue's Passage
20% of 642 decks +5% synergy
Temple of the False God
17% of 642 decks +9% synergy
Westvale Abbey
17% of 642 decks +15% synergy
Cabal Coffers
16% of 642 decks +11% synergy
Khalni Garden
12% of 642 decks +10% synergy
High Market
11% of 642 decks +7% synergy
Takenuma, Abandoned Mire
9% of 642 decks -2% synergy
Three Tree City
9% of 433 decks +7% synergy
Dryad Arbor
8% of 642 decks +5% synergy
Sokenzan, Crucible of Defiance
8% of 642 decks +6% synergy
Grim Backwoods
7% of 642 decks +5% synergy
Shizo, Death's Storehouse
7% of 642 decks +5% synergy
Strip Mine
7% of 642 decks +0% synergy
Arena of Glory
6% of 464 decks +2% synergy
Urza's Saga
6% of 642 decks +1% synergy
Shifting Woodland
6% of 466 decks -6% synergy
Mana Artifacts
Sol Ring
92% of 642 decks +11% synergy
Arcane Signet
75% of 642 decks +5% synergy
Golgari Signet
18% of 642 decks +7% synergy
Chromatic Lantern
17% of 642 decks +9% synergy
Rakdos Signet
16% of 642 decks +5% synergy
Gruul Signet
16% of 642 decks +4% synergy
Fellwar Stone
13% of 642 decks -1% synergy
Talisman of Resilience
13% of 642 decks -2% synergy
Talisman of Indulgence
11% of 642 decks -2% synergy
Talisman of Impulse
10% of 642 decks -2% synergy
Mana Crypt
10% of 642 decks +6% synergy
Commander's Sphere
8% of 642 decks -3% synergy
Jeweled Lotus
7% of 642 decks +4% synergy
Lotus Petal
6% of 642 decks +0% synergy
Chrome Mox
6% of 642 decks +1% synergy
Lands
Command Tower
95% of 642 decks +5% synergy
Overgrown Tomb
80% of 642 decks +32% synergy
Stomping Ground
79% of 642 decks +30% synergy
Blood Crypt
78% of 642 decks +33% synergy
Ziatora's Proving Ground
70% of 642 decks +20% synergy
Bloodstained Mire
59% of 642 decks +22% synergy
Wooded Foothills
58% of 642 decks +21% synergy
Verdant Catacombs
58% of 642 decks +22% synergy
Undergrowth Stadium
50% of 642 decks +17% synergy
Spire Garden
49% of 642 decks +18% synergy
Luxury Suite
48% of 642 decks +18% synergy
Woodland Cemetery
47% of 642 decks +15% synergy
Rootbound Crag
46% of 642 decks +18% synergy
Dragonskull Summit
46% of 642 decks +16% synergy
Savage Lands
46% of 642 decks -1% synergy
Exotic Orchard
35% of 642 decks -14% synergy
Cinder Glade
33% of 642 decks -14% synergy
Llanowar Wastes
28% of 642 decks +3% synergy
Smoldering Marsh
28% of 642 decks -15% synergy
Rockfall Vale
25% of 642 decks -0% synergy
Badlands
24% of 642 decks +12% synergy
Taiga
24% of 642 decks +11% synergy
Bayou
24% of 642 decks +11% synergy
Deathcap Glade
20% of 642 decks +5% synergy
Karplusan Forest
19% of 642 decks -0% synergy
Haunted Ridge
19% of 642 decks +4% synergy
City of Brass
18% of 642 decks +9% synergy
Sulfurous Springs
17% of 642 decks -0% synergy
Evolving Wilds
16% of 642 decks -15% synergy
Fabled Passage
16% of 642 decks -3% synergy
Underground Mortuary
16% of 547 decks -1% synergy
Twilight Mire
14% of 642 decks +3% synergy
Commercial District
14% of 547 decks -3% synergy
Raucous Theater
13% of 546 decks -3% synergy
Reflecting Pool
13% of 642 decks +7% synergy
Mana Confluence
13% of 642 decks +5% synergy
Terramorphic Expanse
13% of 642 decks -13% synergy
Windswept Heath
12% of 642 decks +1% synergy
Golgari Rot Farm
12% of 642 decks -2% synergy
Twisted Landscape
11% of 464 decks -16% synergy
Misty Rainforest
11% of 642 decks +0% synergy
Blightstep Pathway
10% of 642 decks +5% synergy
Polluted Delta
10% of 642 decks +1% synergy
Thornspire Verge
10% of 383 decks +2% synergy
Darkbore Pathway
10% of 642 decks +3% synergy
Arid Mesa
10% of 642 decks -0% synergy
Marsh Flats
9% of 642 decks -1% synergy
Graven Cairns
9% of 642 decks +5% synergy
Blazemire Verge
9% of 383 decks +1% synergy
Cragcrown Pathway
9% of 642 decks +2% synergy