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%inclusion638 decks6.17K decks
New Cards
Obsessive Pursuit
3.8%inclusion3 decks78 decks
2%synergy
Badgermole Cub
3.6%inclusion3 decks84 decks
1%synergy
Ba Sing Se
2.6%inclusion2 decks78 decks
0%synergy
Beifong's Bounty Hunters
2.4%inclusion2 decks82 decks
0%synergy
Redirect Lightning
2.0%inclusion3 decks152 decks
0%synergy
High Synergy Cards
Purphoros, God of the Forge
79%inclusion504 decks638 decks
76%synergy
Ashnod's Altar
85%inclusion544 decks638 decks
74%synergy
Parallel Lives
79%inclusion506 decks638 decks
73%synergy
Impact Tremors
80%inclusion509 decks638 decks
73%synergy
Skullclamp
84%inclusion534 decks638 decks
69%synergy
Zulaport Cutthroat
77%inclusion493 decks638 decks
68%synergy
Chatterfang, Squirrel General
74%inclusion475 decks638 decks
65%synergy
Goblin Bombardment
74%inclusion475 decks638 decks
64%synergy
Food Chain
67%inclusion426 decks638 decks
63%synergy
Blood Artist
72%inclusion457 decks638 decks
62%synergy
Top Cards
Pitiless Plunderer
75%inclusion480 decks638 decks
61%synergy
Ignoble Hierarch
71%inclusion451 decks638 decks
17%synergy
Mayhem Devil
64%inclusion410 decks638 decks
37%synergy
Mirkwood Bats
63%inclusion402 decks638 decks
50%synergy
Birds of Paradise
62%inclusion397 decks638 decks
29%synergy
Korvold, Fae-Cursed King
61%inclusion389 decks638 decks
41%synergy
Sakura-Tribe Elder
57%inclusion366 decks638 decks
23%synergy
Fecundity
57%inclusion364 decks638 decks
54%synergy
Assassin's Trophy
56%inclusion355 decks638 decks
14%synergy
Farseek
54%inclusion346 decks638 decks
6%synergy
Game Changers
Demonic Tutor
48%inclusion305 decks638 decks
31%synergy
Vampiric Tutor
34%inclusion216 decks638 decks
21%synergy
Worldly Tutor
23%inclusion146 decks638 decks
13%synergy
Ancient Tomb
21%inclusion133 decks638 decks
13%synergy
Gaea's Cradle
16%inclusion101 decks638 decks
13%synergy
Field of the Dead
13%inclusion86 decks638 decks
5%synergy
Mana Vault
13%inclusion80 decks638 decks
8%synergy
Orcish Bowmasters
13%inclusion80 decks638 decks
6%synergy
Necropotence
7.7%inclusion49 decks638 decks
5%synergy
Bolas's Citadel
7.1%inclusion45 decks638 decks
5%synergy
Creatures
Viscera Seer
43%inclusion272 decks638 decks
31%synergy
Eternal Witness
42%inclusion268 decks638 decks
15%synergy
Warren Soultrader
41%inclusion230 decks555 decks
33%synergy
Avenger of Zendikar
39%inclusion249 decks638 decks
29%synergy
Mahadi, Emporium Master
39%inclusion248 decks638 decks
29%synergy
Poison-Tip Archer
35%inclusion226 decks638 decks
32%synergy
Craterhoof Behemoth
34%inclusion217 decks638 decks
31%synergy
Endrek Sahr, Master Breeder
34%inclusion216 decks638 decks
32%synergy
Agate Instigator
32%inclusion167 decks517 decks
31%synergy
Marionette Apprentice
31%inclusion174 decks555 decks
26%synergy
Enduring Vitality
30%inclusion139 decks470 decks
27%synergy
Llanowar Elves
29%inclusion188 decks638 decks
15%synergy
Ophiomancer
29%inclusion183 decks638 decks
26%synergy
Squee, the Immortal
29%inclusion182 decks638 decks
24%synergy
Sephiroth, Fabled SOLDIER
26%inclusion67 decks254 decks
24%synergy
Mycoloth
26%inclusion166 decks638 decks
22%synergy
Delighted Halfling
25%inclusion161 decks638 decks
13%synergy
Smothering Abomination
25%inclusion159 decks638 decks
23%synergy
Garna, Bloodfist of Keld
24%inclusion155 decks638 decks
22%synergy
Witty Roastmaster
24%inclusion151 decks638 decks
23%synergy
Elvish Mystic
22%inclusion143 decks638 decks
13%synergy
Goblin Sharpshooter
22%inclusion142 decks638 decks
21%synergy
Yawgmoth, Thran Physician
21%inclusion132 decks638 decks
18%synergy
Anger
20%inclusion128 decks638 decks
1%synergy
Enduring Courage
20%inclusion94 decks472 decks
16%synergy
Juri, Master of the Revue
20%inclusion125 decks638 decks
6%synergy
Syr Konrad, the Grim
19%inclusion123 decks638 decks
8%synergy
Elves of Deep Shadow
18%inclusion118 decks638 decks
9%synergy
Butcher of Malakir
17%inclusion109 decks638 decks
13%synergy
Deathrite Shaman
17%inclusion109 decks638 decks
5%synergy
Dragon Broodmother
17%inclusion108 decks638 decks
15%synergy
Devilish Valet
16%inclusion104 decks638 decks
15%synergy
Lagomos, Hand of Hatred
16%inclusion103 decks638 decks
13%synergy
Xenagos, God of Revels
16%inclusion102 decks638 decks
9%synergy
Sprouting Thrinax
16%inclusion100 decks638 decks
12%synergy
Mazirek, Kraul Death Priest
15%inclusion98 decks638 decks
2%synergy
Beledros Witherbloom
15%inclusion96 decks638 decks
12%synergy
Molten Gatekeeper
15%inclusion83 decks553 decks
14%synergy
Solemn Simulacrum
14%inclusion88 decks638 decks
-2%synergy
Fyndhorn Elves
13%inclusion86 decks638 decks
8%synergy
Tendershoot Dryad
13%inclusion85 decks638 decks
9%synergy
Reclamation Sage
13%inclusion82 decks638 decks
8%synergy
Deathbringer Thoctar
13%inclusion80 decks638 decks
12%synergy
Wood Elves
13%inclusion80 decks638 decks
8%synergy
Compy Swarm
12%inclusion75 decks638 decks
10%synergy
Ziatora, the Incinerator
11%inclusion73 decks638 decks
-4%synergy
Scute Swarm
11%inclusion69 decks638 decks
-2%synergy
Braids, Arisen Nightmare
11%inclusion68 decks638 decks
-8%synergy
Ogre Battledriver
11%inclusion67 decks638 decks
10%synergy
Bloom Tender
10%inclusion66 decks638 decks
4%synergy
Instants
Beast Within
51%inclusion326 decks638 decks
9%synergy
Heroic Intervention
37%inclusion238 decks638 decks
11%synergy
Artifact Mutation
32%inclusion207 decks638 decks
26%synergy
Chaos Warp
30%inclusion192 decks638 decks
5%synergy
Village Rites
28%inclusion178 decks638 decks
19%synergy
Dark Ritual
27%inclusion171 decks638 decks
14%synergy
Deflecting Swat
26%inclusion163 decks638 decks
10%synergy
Terminate
25%inclusion160 decks638 decks
0%synergy
Deadly Dispute
19%inclusion124 decks638 decks
4%synergy
Putrefy
19%inclusion121 decks638 decks
0%synergy
Abrupt Decay
18%inclusion115 decks638 decks
6%synergy
Plumb the Forbidden
18%inclusion114 decks638 decks
16%synergy
Krosan Grip
15%inclusion96 decks638 decks
10%synergy
Deadly Rollick
15%inclusion95 decks638 decks
3%synergy
Second Harvest
14%inclusion91 decks638 decks
12%synergy
Chord of Calling
13%inclusion85 decks638 decks
11%synergy
Nature's Claim
11%inclusion73 decks638 decks
5%synergy
Return of the Wildspeaker
10%inclusion65 decks638 decks
3%synergy
Tear Asunder
10%inclusion64 decks638 decks
-3%synergy
Corrupted Conviction
8.8%inclusion56 decks638 decks
4%synergy
Red Elemental Blast
8.8%inclusion56 decks638 decks
3%synergy
Tragic Slip
8.6%inclusion55 decks638 decks
7%synergy
Pyroblast
8.6%inclusion55 decks638 decks
3%synergy
Veil of Summer
8.6%inclusion55 decks638 decks
3%synergy
Fresh Meat
8.0%inclusion51 decks638 decks
8%synergy
Tainted Strike
7.8%inclusion50 decks638 decks
6%synergy
Bedevil
7.8%inclusion50 decks638 decks
1%synergy
Crop Rotation
7.5%inclusion48 decks638 decks
-7%synergy
Harrow
7.4%inclusion47 decks638 decks
-13%synergy
Culling the Weak
6.6%inclusion42 decks638 decks
2%synergy
Fling
6.3%inclusion40 decks638 decks
0%synergy
Fell the Profane
6.1%inclusion34 decks555 decks
0%synergy
Blood for the Blood God!
6.1%inclusion39 decks638 decks
5%synergy
Noxious Revival
6.1%inclusion39 decks638 decks
0%synergy
Body Count
5.6%inclusion36 decks638 decks
5%synergy
Arachnogenesis
5.3%inclusion34 decks638 decks
2%synergy
Tend the Pests
5.0%inclusion32 decks638 decks
4%synergy
Sorceries
Cultivate
53%inclusion335 decks638 decks
10%synergy
Nature's Lore
52%inclusion329 decks638 decks
13%synergy
Three Visits
44%inclusion278 decks638 decks
19%synergy
Kodama's Reach
39%inclusion249 decks638 decks
14%synergy
Diabolic Intent
39%inclusion248 decks638 decks
29%synergy
Blasphemous Act
37%inclusion238 decks638 decks
-5%synergy
Toxic Deluge
29%inclusion188 decks638 decks
13%synergy
Rampant Growth
29%inclusion184 decks638 decks
-4%synergy
Damnation
19%inclusion122 decks638 decks
13%synergy
Skyshroud Claim
19%inclusion122 decks638 decks
9%synergy
Tempt with Vengeance
18%inclusion112 decks638 decks
16%synergy
Victimize
17%inclusion110 decks638 decks
-4%synergy
Song of Totentanz
16%inclusion105 decks638 decks
15%synergy
Blasphemous Edict
15%inclusion65 decks425 decks
9%synergy
Vandalblast
14%inclusion90 decks638 decks
4%synergy
Jeska's Will
12%inclusion74 decks638 decks
4%synergy
Bala Ged Recovery
12%inclusion74 decks638 decks
2%synergy
Grim Tutor
11%inclusion71 decks638 decks
9%synergy
Shamanic Revelation
11%inclusion69 decks638 decks
9%synergy
Finale of Devastation
11%inclusion69 decks638 decks
6%synergy
Culling Ritual
10%inclusion66 decks638 decks
-2%synergy
Reanimate
10%inclusion65 decks638 decks
-12%synergy
Green Sun's Zenith
10%inclusion63 decks638 decks
6%synergy
Crux of Fate
8.6%inclusion55 decks638 decks
6%synergy
Pest Infestation
8.6%inclusion55 decks638 decks
3%synergy
Chandra's Ignition
8.5%inclusion54 decks638 decks
-5%synergy
Diabolic Tutor
8.3%inclusion53 decks638 decks
5%synergy
Tooth and Nail
7.2%inclusion46 decks638 decks
6%synergy
Decimate
6.7%inclusion43 decks638 decks
0%synergy
Overwhelming Stampede
6.6%inclusion42 decks638 decks
5%synergy
Awaken the Woods
6.6%inclusion42 decks638 decks
5%synergy
Rishkar's Expertise
6.1%inclusion39 decks638 decks
-3%synergy
Descent of the Dragons
5.5%inclusion35 decks638 decks
5%synergy
Hull Breach
5.5%inclusion35 decks638 decks
3%synergy
Imperial Seal
5.5%inclusion35 decks638 decks
2%synergy
Torment of Hailfire
5.2%inclusion33 decks638 decks
-1%synergy
Eldritch Evolution
5.0%inclusion32 decks638 decks
-1%synergy
Utility Artifacts
Lightning Greaves
40%inclusion255 decks638 decks
16%synergy
Swiftfoot Boots
24%inclusion152 decks638 decks
0%synergy
Tarrian's Soulcleaver
7.8%inclusion50 decks638 decks
6%synergy
The One Ring
7.8%inclusion50 decks638 decks
3%synergy
Sensei's Divining Top
6.9%inclusion44 decks638 decks
5%synergy
Enchantments
Bastion of Remembrance
48%inclusion305 decks638 decks
43%synergy
Dictate of Erebos
47%inclusion298 decks638 decks
42%synergy
Moldervine Reclamation
44%inclusion279 decks638 decks
36%synergy
Cryptolith Rite
39%inclusion248 decks638 decks
37%synergy
Beastmaster Ascension
36%inclusion228 decks638 decks
33%synergy
Grave Pact
31%inclusion200 decks638 decks
28%synergy
The Meathook Massacre
30%inclusion194 decks638 decks
27%synergy
Sylvan Library
30%inclusion192 decks638 decks
22%synergy
Rhythm of the Wild
25%inclusion157 decks638 decks
5%synergy
Growing Rites of Itlimoc
22%inclusion139 decks638 decks
20%synergy
Awakening Zone
22%inclusion138 decks638 decks
17%synergy
Primal Vigor
21%inclusion136 decks638 decks
19%synergy
Phyrexian Arena
17%inclusion110 decks638 decks
8%synergy
Insidious Roots
17%inclusion104 decks626 decks
13%synergy
Bitterblossom
14%inclusion92 decks638 decks
12%synergy
Black Market Connections
12%inclusion76 decks638 decks
4%synergy
Shared Animosity
11%inclusion71 decks638 decks
10%synergy
Black Market
11%inclusion69 decks638 decks
9%synergy
Earthcraft
9.4%inclusion60 decks638 decks
9%synergy
Funeral Room // Awakening Hall
9.0%inclusion43 decks478 decks
8%synergy
Greater Good
8.8%inclusion56 decks638 decks
-5%synergy
Fires of Yavimaya
7.7%inclusion49 decks638 decks
5%synergy
City on Fire
6.1%inclusion39 decks638 decks
4%synergy
Deathreap Ritual
6.0%inclusion38 decks638 decks
-3%synergy
Mana Echoes
5.0%inclusion32 decks638 decks
5%synergy
Planeswalkers
Xenagos, the Reveler
34%inclusion220 decks638 decks
33%synergy
Liliana, Dreadhorde General
18%inclusion117 decks638 decks
15%synergy
Tevesh Szat, Doom of Fools
7.1%inclusion45 decks638 decks
6%synergy
Sarkhan Vol
6.0%inclusion38 decks638 decks
6%synergy
Garruk Wildspeaker
5.2%inclusion33 decks638 decks
5%synergy
Utility Lands
Phyrexian Tower
51%inclusion323 decks638 decks
40%synergy
Kher Keep
49%inclusion315 decks638 decks
47%synergy
Urborg, Tomb of Yawgmoth
46%inclusion295 decks638 decks
28%synergy
Yavimaya, Cradle of Growth
41%inclusion264 decks638 decks
20%synergy
Bojuka Bog
34%inclusion220 decks638 decks
2%synergy
Reliquary Tower
31%inclusion200 decks638 decks
12%synergy
Kessig Wolf Run
31%inclusion197 decks638 decks
10%synergy
Boseiju, Who Endures
29%inclusion188 decks638 decks
9%synergy
Rogue's Passage
21%inclusion131 decks638 decks
5%synergy
Temple of the False God
17%inclusion109 decks638 decks
10%synergy
Westvale Abbey
16%inclusion101 decks638 decks
15%synergy
Cabal Coffers
14%inclusion92 decks638 decks
10%synergy
Evendo, Waking Haven
11%inclusion20 decks190 decks
6%synergy
Khalni Garden
10%inclusion66 decks638 decks
9%synergy
High Market
10%inclusion63 decks638 decks
6%synergy
Dryad Arbor
8.5%inclusion54 decks638 decks
5%synergy
Takenuma, Abandoned Mire
8.3%inclusion53 decks638 decks
-2%synergy
Grim Backwoods
7.2%inclusion46 decks638 decks
5%synergy
Three Tree City
7.1%inclusion37 decks523 decks
6%synergy
Sokenzan, Crucible of Defiance
6.9%inclusion44 decks638 decks
5%synergy
Shifting Woodland
6.1%inclusion34 decks555 decks
-6%synergy
Shizo, Death's Storehouse
6.0%inclusion38 decks638 decks
4%synergy
Strip Mine
6.0%inclusion38 decks638 decks
-2%synergy
Midgar, City of Mako
5.8%inclusion14 decks243 decks
4%synergy
Urza's Saga
5.5%inclusion35 decks638 decks
1%synergy
Arena of Glory
5.4%inclusion30 decks553 decks
1%synergy
Mana Artifacts
Sol Ring
92%inclusion585 decks638 decks
11%synergy
Arcane Signet
75%inclusion477 decks638 decks
6%synergy
Golgari Signet
17%inclusion106 decks638 decks
7%synergy
Chromatic Lantern
15%inclusion98 decks638 decks
9%synergy
Gruul Signet
14%inclusion91 decks638 decks
4%synergy
Rakdos Signet
14%inclusion89 decks638 decks
4%synergy
Fellwar Stone
14%inclusion88 decks638 decks
1%synergy
Talisman of Resilience
14%inclusion88 decks638 decks
0%synergy
Talisman of Indulgence
11%inclusion72 decks638 decks
-1%synergy
Talisman of Impulse
11%inclusion70 decks638 decks
-1%synergy
Lotus Petal
7.8%inclusion50 decks638 decks
2%synergy
Commander's Sphere
6.9%inclusion44 decks638 decks
-2%synergy
Chrome Mox
6.7%inclusion43 decks638 decks
2%synergy
Mana Crypt
6.1%inclusion39 decks638 decks
4%synergy
Lands
Command Tower
95%inclusion603 decks638 decks
4%synergy
Stomping Ground
80%inclusion508 decks638 decks
30%synergy
Overgrown Tomb
79%inclusion503 decks638 decks
32%synergy
Blood Crypt
77%inclusion493 decks638 decks
33%synergy
Ziatora's Proving Ground
69%inclusion439 decks638 decks
21%synergy
Bloodstained Mire
60%inclusion382 decks638 decks
23%synergy
Wooded Foothills
59%inclusion376 decks638 decks
21%synergy
Verdant Catacombs
58%inclusion368 decks638 decks
22%synergy
Undergrowth Stadium
48%inclusion304 decks638 decks
17%synergy
Spire Garden
47%inclusion303 decks638 decks
20%synergy
Dragonskull Summit
47%inclusion297 decks638 decks
16%synergy
Rootbound Crag
46%inclusion296 decks638 decks
18%synergy
Luxury Suite
46%inclusion293 decks638 decks
19%synergy
Woodland Cemetery
45%inclusion290 decks638 decks
13%synergy
Savage Lands
42%inclusion271 decks638 decks
0%synergy
Exotic Orchard
37%inclusion233 decks638 decks
-10%synergy
Cinder Glade
33%inclusion212 decks638 decks
-15%synergy
Smoldering Marsh
29%inclusion186 decks638 decks
-15%synergy
Llanowar Wastes
26%inclusion164 decks638 decks
-2%synergy
Badlands
23%inclusion148 decks638 decks
11%synergy
Rockfall Vale
23%inclusion147 decks638 decks
0%synergy
Taiga
23%inclusion146 decks638 decks
10%synergy
Bayou
23%inclusion146 decks638 decks
10%synergy
Haunted Ridge
19%inclusion121 decks638 decks
5%synergy
Deathcap Glade
19%inclusion121 decks638 decks
4%synergy
City of Brass
18%inclusion117 decks638 decks
11%synergy
Karplusan Forest
18%inclusion113 decks638 decks
-5%synergy
Sulfurous Springs
17%inclusion109 decks638 decks
-4%synergy
Underground Mortuary
16%inclusion100 decks635 decks
-1%synergy
Evolving Wilds
16%inclusion100 decks638 decks
-17%synergy
Fabled Passage
15%inclusion98 decks638 decks
-9%synergy
Mana Confluence
14%inclusion89 decks638 decks
7%synergy
Commercial District
14%inclusion87 decks635 decks
-3%synergy
Raucous Theater
14%inclusion86 decks634 decks
-2%synergy
Twilight Mire
13%inclusion85 decks638 decks
-1%synergy
Windswept Heath
13%inclusion81 decks638 decks
1%synergy
Terramorphic Expanse
12%inclusion79 decks638 decks
-15%synergy
Reflecting Pool
12%inclusion77 decks638 decks
7%synergy
Golgari Rot Farm
11%inclusion72 decks638 decks
-1%synergy
Twisted Landscape
11%inclusion61 decks553 decks
-15%synergy
Polluted Delta
11%inclusion70 decks638 decks
2%synergy
Misty Rainforest
11%inclusion70 decks638 decks
1%synergy
Marsh Flats
10%inclusion64 decks638 decks
0%synergy
Arid Mesa
10%inclusion61 decks638 decks
0%synergy
Blightstep Pathway
9.4%inclusion60 decks638 decks
4%synergy
Graven Cairns
8.9%inclusion57 decks638 decks
5%synergy
Thornspire Verge
8.6%inclusion41 decks478 decks
1%synergy
Darkbore Pathway
8.5%inclusion54 decks638 decks
3%synergy
Scalding Tarn
8.2%inclusion52 decks638 decks
0%synergy
Temple of Malady
7.4%inclusion47 decks638 decks
-7%synergy