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%inclusion661 decks6.43K decks
New Cards
Hexing Squelcher
13%inclusion14 decks112 decks
3%synergy
Springleaf Parade
10%inclusion11 decks112 decks
9%synergy
Spry and Mighty
4.5%inclusion5 decks110 decks
4%synergy
Grave Venerations
3.6%inclusion4 decks112 decks
-12%synergy
Ninja Teen
3.3%inclusion3 decks90 decks
3%synergy
High Synergy Cards
Ashnod's Altar
85%inclusion563 decks661 decks
75%synergy
Purphoros, God of the Forge
77%inclusion510 decks661 decks
74%synergy
Parallel Lives
78%inclusion518 decks661 decks
73%synergy
Impact Tremors
79%inclusion521 decks661 decks
72%synergy
Skullclamp
84%inclusion554 decks661 decks
69%synergy
Zulaport Cutthroat
76%inclusion504 decks661 decks
67%synergy
Goblin Bombardment
74%inclusion490 decks661 decks
64%synergy
Chatterfang, Squirrel General
73%inclusion480 decks661 decks
64%synergy
Blood Artist
72%inclusion475 decks661 decks
62%synergy
Food Chain
65%inclusion427 decks661 decks
61%synergy
Top Cards
Pitiless Plunderer
73%inclusion484 decks661 decks
60%synergy
Ignoble Hierarch
71%inclusion467 decks661 decks
15%synergy
Mayhem Devil
64%inclusion426 decks661 decks
38%synergy
Mirkwood Bats
64%inclusion421 decks661 decks
52%synergy
Birds of Paradise
63%inclusion416 decks661 decks
32%synergy
Korvold, Fae-Cursed King
61%inclusion406 decks661 decks
42%synergy
Fecundity
58%inclusion384 decks661 decks
56%synergy
Sakura-Tribe Elder
57%inclusion378 decks661 decks
25%synergy
Farseek
55%inclusion365 decks661 decks
7%synergy
Assassin's Trophy
55%inclusion361 decks661 decks
11%synergy
Game Changers
Demonic Tutor
47%inclusion312 decks661 decks
31%synergy
Vampiric Tutor
32%inclusion210 decks661 decks
20%synergy
Worldly Tutor
24%inclusion160 decks661 decks
14%synergy
Ancient Tomb
20%inclusion134 decks661 decks
13%synergy
Gaea's Cradle
15%inclusion102 decks661 decks
12%synergy
Mana Vault
13%inclusion84 decks661 decks
9%synergy
Orcish Bowmasters
12%inclusion79 decks661 decks
6%synergy
Jeska's Will
12%inclusion78 decks661 decks
5%synergy
Necropotence
7.9%inclusion52 decks661 decks
5%synergy
Bolas's Citadel
7.1%inclusion47 decks661 decks
5%synergy
Creatures
Eternal Witness
42%inclusion278 decks661 decks
17%synergy
Viscera Seer
42%inclusion275 decks661 decks
31%synergy
Warren Soultrader
41%inclusion256 decks625 decks
33%synergy
Mahadi, Emporium Master
39%inclusion259 decks661 decks
30%synergy
Avenger of Zendikar
39%inclusion258 decks661 decks
30%synergy
Endrek Sahr, Master Breeder
36%inclusion235 decks661 decks
34%synergy
Poison-Tip Archer
34%inclusion225 decks661 decks
31%synergy
Craterhoof Behemoth
33%inclusion219 decks661 decks
30%synergy
Agate Instigator
31%inclusion184 decks588 decks
30%synergy
Marionette Apprentice
31%inclusion193 decks625 decks
26%synergy
Llanowar Elves
29%inclusion192 decks661 decks
15%synergy
Enduring Vitality
29%inclusion156 decks541 decks
26%synergy
Squee, the Immortal
29%inclusion190 decks661 decks
24%synergy
Ophiomancer
29%inclusion189 decks661 decks
26%synergy
Mycoloth
27%inclusion176 decks661 decks
22%synergy
Sephiroth, Fabled SOLDIER
26%inclusion87 decks332 decks
23%synergy
Delighted Halfling
26%inclusion170 decks661 decks
14%synergy
Smothering Abomination
25%inclusion163 decks661 decks
23%synergy
Elvish Mystic
22%inclusion148 decks661 decks
14%synergy
Goblin Sharpshooter
22%inclusion147 decks661 decks
21%synergy
Garna, Bloodfist of Keld
22%inclusion147 decks661 decks
20%synergy
Witty Roastmaster
22%inclusion145 decks661 decks
21%synergy
Juri, Master of the Revue
21%inclusion136 decks661 decks
7%synergy
Anger
20%inclusion130 decks661 decks
2%synergy
Yawgmoth, Thran Physician
19%inclusion126 decks661 decks
14%synergy
Syr Konrad, the Grim
18%inclusion119 decks661 decks
8%synergy
Dragon Broodmother
18%inclusion118 decks661 decks
16%synergy
Enduring Courage
17%inclusion95 decks543 decks
14%synergy
Elves of Deep Shadow
17%inclusion115 decks661 decks
8%synergy
Butcher of Malakir
17%inclusion112 decks661 decks
13%synergy
Deathrite Shaman
16%inclusion108 decks661 decks
5%synergy
Devilish Valet
16%inclusion107 decks661 decks
15%synergy
Lagomos, Hand of Hatred
16%inclusion107 decks661 decks
14%synergy
Beledros Witherbloom
15%inclusion101 decks661 decks
12%synergy
Xenagos, God of Revels
15%inclusion100 decks661 decks
9%synergy
Sprouting Thrinax
15%inclusion98 decks661 decks
11%synergy
Mazirek, Kraul Death Priest
15%inclusion96 decks661 decks
1%synergy
Molten Gatekeeper
14%inclusion87 decks623 decks
13%synergy
Solemn Simulacrum
13%inclusion86 decks661 decks
-1%synergy
Tendershoot Dryad
13%inclusion83 decks661 decks
9%synergy
Fyndhorn Elves
12%inclusion82 decks661 decks
7%synergy
Wood Elves
12%inclusion79 decks661 decks
8%synergy
Reclamation Sage
12%inclusion79 decks661 decks
7%synergy
Deathbringer Thoctar
12%inclusion78 decks661 decks
11%synergy
Ziatora, the Incinerator
11%inclusion76 decks661 decks
-3%synergy
Bloom Tender
11%inclusion71 decks661 decks
4%synergy
Braids, Arisen Nightmare
11%inclusion70 decks661 decks
-7%synergy
Ogre Battledriver
10%inclusion68 decks661 decks
10%synergy
Scute Swarm
10%inclusion66 decks661 decks
-2%synergy
Compy Swarm
9.1%inclusion60 decks661 decks
8%synergy
Instants
Beast Within
50%inclusion330 decks661 decks
10%synergy
Heroic Intervention
38%inclusion251 decks661 decks
12%synergy
Artifact Mutation
32%inclusion210 decks661 decks
26%synergy
Chaos Warp
30%inclusion197 decks661 decks
7%synergy
Dark Ritual
29%inclusion190 decks661 decks
16%synergy
Village Rites
27%inclusion178 decks661 decks
18%synergy
Deflecting Swat
26%inclusion174 decks661 decks
11%synergy
Terminate
25%inclusion163 decks661 decks
-3%synergy
Deadly Dispute
21%inclusion137 decks661 decks
7%synergy
Putrefy
19%inclusion128 decks661 decks
-3%synergy
Abrupt Decay
18%inclusion116 decks661 decks
6%synergy
Plumb the Forbidden
17%inclusion114 decks661 decks
15%synergy
Deadly Rollick
16%inclusion108 decks661 decks
4%synergy
Second Harvest
15%inclusion96 decks661 decks
12%synergy
Krosan Grip
14%inclusion95 decks661 decks
10%synergy
Chord of Calling
13%inclusion83 decks661 decks
11%synergy
Nature's Claim
11%inclusion72 decks661 decks
5%synergy
Tear Asunder
10%inclusion64 decks661 decks
-4%synergy
Return of the Wildspeaker
9.1%inclusion60 decks661 decks
3%synergy
Veil of Summer
8.8%inclusion58 decks661 decks
3%synergy
Pyroblast
8.5%inclusion56 decks661 decks
4%synergy
Red Elemental Blast
8.5%inclusion56 decks661 decks
4%synergy
Tragic Slip
8.3%inclusion55 decks661 decks
6%synergy
Corrupted Conviction
8.2%inclusion54 decks661 decks
4%synergy
Fresh Meat
7.9%inclusion52 decks661 decks
7%synergy
Bedevil
7.9%inclusion52 decks661 decks
1%synergy
Crop Rotation
7.9%inclusion52 decks661 decks
-6%synergy
Harrow
7.3%inclusion48 decks661 decks
-13%synergy
Tainted Strike
7.1%inclusion47 decks661 decks
5%synergy
Culling the Weak
7.0%inclusion46 decks661 decks
3%synergy
Arachnogenesis
6.5%inclusion43 decks661 decks
3%synergy
Fling
6.5%inclusion43 decks661 decks
1%synergy
Blood for the Blood God!
6.2%inclusion41 decks661 decks
5%synergy
Noxious Revival
6.1%inclusion40 decks661 decks
0%synergy
Body Count
5.1%inclusion34 decks661 decks
5%synergy
Fell the Profane
5.1%inclusion32 decks625 decks
-1%synergy
Sorceries
Nature's Lore
52%inclusion343 decks661 decks
14%synergy
Cultivate
51%inclusion339 decks661 decks
10%synergy
Three Visits
43%inclusion287 decks661 decks
19%synergy
Diabolic Intent
40%inclusion264 decks661 decks
31%synergy
Kodama's Reach
38%inclusion254 decks661 decks
15%synergy
Blasphemous Act
36%inclusion235 decks661 decks
-5%synergy
Toxic Deluge
30%inclusion197 decks661 decks
14%synergy
Rampant Growth
30%inclusion195 decks661 decks
-2%synergy
Tempt with Vengeance
18%inclusion122 decks661 decks
17%synergy
Victimize
18%inclusion117 decks661 decks
-3%synergy
Skyshroud Claim
18%inclusion116 decks661 decks
8%synergy
Damnation
16%inclusion108 decks661 decks
11%synergy
Song of Totentanz
15%inclusion102 decks661 decks
14%synergy
Blasphemous Edict
14%inclusion71 decks497 decks
8%synergy
Vandalblast
13%inclusion87 decks661 decks
4%synergy
Reanimate
12%inclusion79 decks661 decks
-10%synergy
Bala Ged Recovery
11%inclusion73 decks661 decks
2%synergy
Shamanic Revelation
11%inclusion72 decks661 decks
9%synergy
Culling Ritual
11%inclusion72 decks661 decks
0%synergy
Finale of Devastation
11%inclusion71 decks661 decks
6%synergy
Grim Tutor
10%inclusion68 decks661 decks
8%synergy
Green Sun's Zenith
9.1%inclusion60 decks661 decks
6%synergy
Crux of Fate
8.8%inclusion58 decks661 decks
6%synergy
Chandra's Ignition
8.6%inclusion57 decks661 decks
-4%synergy
Diabolic Tutor
8.2%inclusion54 decks661 decks
5%synergy
Pest Infestation
7.7%inclusion51 decks661 decks
2%synergy
Decimate
7.1%inclusion47 decks661 decks
1%synergy
Tooth and Nail
6.7%inclusion44 decks661 decks
6%synergy
Overwhelming Stampede
6.7%inclusion44 decks661 decks
5%synergy
Rishkar's Expertise
6.4%inclusion42 decks661 decks
-2%synergy
Awaken the Woods
6.2%inclusion41 decks661 decks
4%synergy
Hull Breach
5.9%inclusion39 decks661 decks
4%synergy
Descent of the Dragons
5.3%inclusion35 decks661 decks
5%synergy
Torment of Hailfire
5.3%inclusion35 decks661 decks
0%synergy
Eldritch Evolution
5.3%inclusion35 decks661 decks
-1%synergy
Triumph of the Hordes
5.1%inclusion34 decks661 decks
4%synergy
Imperial Seal
5.1%inclusion34 decks661 decks
2%synergy
Utility Artifacts
Lightning Greaves
41%inclusion270 decks661 decks
18%synergy
Swiftfoot Boots
25%inclusion165 decks661 decks
3%synergy
The One Ring
8.2%inclusion54 decks661 decks
4%synergy
Tarrian's Soulcleaver
7.3%inclusion48 decks661 decks
5%synergy
Sensei's Divining Top
7.1%inclusion47 decks661 decks
6%synergy
Coat of Arms
5.3%inclusion35 decks661 decks
5%synergy
Enchantments
Dictate of Erebos
48%inclusion316 decks661 decks
43%synergy
Bastion of Remembrance
47%inclusion310 decks661 decks
42%synergy
Moldervine Reclamation
44%inclusion290 decks661 decks
37%synergy
Cryptolith Rite
40%inclusion262 decks661 decks
38%synergy
Beastmaster Ascension
37%inclusion242 decks661 decks
34%synergy
Grave Pact
31%inclusion208 decks661 decks
28%synergy
The Meathook Massacre
30%inclusion195 decks661 decks
26%synergy
Sylvan Library
28%inclusion184 decks661 decks
20%synergy
Rhythm of the Wild
25%inclusion165 decks661 decks
7%synergy
Awakening Zone
22%inclusion148 decks661 decks
18%synergy
Growing Rites of Itlimoc
22%inclusion147 decks661 decks
21%synergy
Primal Vigor
21%inclusion141 decks661 decks
19%synergy
Phyrexian Arena
16%inclusion109 decks661 decks
8%synergy
Insidious Roots
16%inclusion107 decks661 decks
13%synergy
Bitterblossom
14%inclusion92 decks661 decks
11%synergy
Black Market Connections
12%inclusion79 decks661 decks
5%synergy
Black Market
11%inclusion75 decks661 decks
10%synergy
Shared Animosity
11%inclusion74 decks661 decks
10%synergy
Fires of Yavimaya
8.8%inclusion58 decks661 decks
7%synergy
Greater Good
8.3%inclusion55 decks661 decks
-4%synergy
Funeral Room // Awakening Hall
8.2%inclusion45 decks549 decks
7%synergy
Earthcraft
8.0%inclusion53 decks661 decks
8%synergy
Deathreap Ritual
5.9%inclusion39 decks661 decks
-2%synergy
City on Fire
5.7%inclusion38 decks661 decks
4%synergy
Planeswalkers
Xenagos, the Reveler
34%inclusion223 decks661 decks
32%synergy
Liliana, Dreadhorde General
17%inclusion115 decks661 decks
15%synergy
Tevesh Szat, Doom of Fools
6.2%inclusion41 decks661 decks
6%synergy
Sarkhan Vol
5.3%inclusion35 decks661 decks
5%synergy
Utility Lands
Phyrexian Tower
51%inclusion335 decks661 decks
41%synergy
Kher Keep
48%inclusion318 decks661 decks
46%synergy
Urborg, Tomb of Yawgmoth
46%inclusion303 decks661 decks
28%synergy
Yavimaya, Cradle of Growth
41%inclusion273 decks661 decks
21%synergy
Bojuka Bog
33%inclusion216 decks661 decks
0%synergy
Reliquary Tower
32%inclusion209 decks661 decks
12%synergy
Kessig Wolf Run
31%inclusion205 decks661 decks
12%synergy
Boseiju, Who Endures
30%inclusion196 decks661 decks
10%synergy
Rogue's Passage
20%inclusion135 decks661 decks
6%synergy
Temple of the False God
17%inclusion113 decks661 decks
11%synergy
Westvale Abbey
15%inclusion96 decks661 decks
13%synergy
Cabal Coffers
14%inclusion91 decks661 decks
9%synergy
Field of the Dead
12%inclusion79 decks661 decks
4%synergy
Khalni Garden
11%inclusion74 decks661 decks
10%synergy
Evendo, Waking Haven
10%inclusion26 decks273 decks
6%synergy
High Market
8.6%inclusion57 decks661 decks
5%synergy
Takenuma, Abandoned Mire
8.0%inclusion53 decks661 decks
-2%synergy
Dryad Arbor
7.9%inclusion52 decks661 decks
4%synergy
Grim Backwoods
7.0%inclusion46 decks661 decks
5%synergy
Three Tree City
6.4%inclusion38 decks594 decks
5%synergy
Sokenzan, Crucible of Defiance
6.1%inclusion40 decks661 decks
4%synergy
Shifting Woodland
5.8%inclusion36 decks625 decks
-6%synergy
Shizo, Death's Storehouse
5.6%inclusion37 decks661 decks
4%synergy
Urza's Saga
5.6%inclusion37 decks661 decks
1%synergy
Strip Mine
5.6%inclusion37 decks661 decks
-2%synergy
Mana Artifacts
Sol Ring
92%inclusion607 decks661 decks
10%synergy
Arcane Signet
74%inclusion487 decks661 decks
4%synergy
Chromatic Lantern
16%inclusion105 decks661 decks
10%synergy
Golgari Signet
15%inclusion102 decks661 decks
6%synergy
Fellwar Stone
14%inclusion95 decks661 decks
2%synergy
Talisman of Resilience
14%inclusion93 decks661 decks
0%synergy
Rakdos Signet
13%inclusion87 decks661 decks
5%synergy
Gruul Signet
13%inclusion87 decks661 decks
4%synergy
Talisman of Impulse
11%inclusion74 decks661 decks
0%synergy
Talisman of Indulgence
11%inclusion73 decks661 decks
-1%synergy
Lotus Petal
8.2%inclusion54 decks661 decks
3%synergy
Chrome Mox
7.4%inclusion49 decks661 decks
3%synergy
Commander's Sphere
7.1%inclusion47 decks661 decks
-2%synergy
Lands
Command Tower
95%inclusion625 decks661 decks
4%synergy
Stomping Ground
79%inclusion525 decks661 decks
30%synergy
Overgrown Tomb
79%inclusion520 decks661 decks
31%synergy
Blood Crypt
77%inclusion510 decks661 decks
32%synergy
Ziatora's Proving Ground
68%inclusion447 decks661 decks
22%synergy
Bloodstained Mire
60%inclusion395 decks661 decks
23%synergy
Wooded Foothills
59%inclusion389 decks661 decks
22%synergy
Verdant Catacombs
57%inclusion376 decks661 decks
21%synergy
Undergrowth Stadium
48%inclusion317 decks661 decks
19%synergy
Dragonskull Summit
48%inclusion317 decks661 decks
15%synergy
Spire Garden
48%inclusion314 decks661 decks
21%synergy
Rootbound Crag
47%inclusion312 decks661 decks
15%synergy
Woodland Cemetery
47%inclusion308 decks661 decks
11%synergy
Luxury Suite
46%inclusion306 decks661 decks
20%synergy
Savage Lands
42%inclusion277 decks661 decks
-2%synergy
Exotic Orchard
39%inclusion258 decks661 decks
-9%synergy
Cinder Glade
32%inclusion214 decks661 decks
-18%synergy
Smoldering Marsh
28%inclusion187 decks661 decks
-19%synergy
Llanowar Wastes
26%inclusion170 decks661 decks
-3%synergy
Rockfall Vale
23%inclusion154 decks661 decks
1%synergy
Badlands
23%inclusion152 decks661 decks
11%synergy
Taiga
23%inclusion151 decks661 decks
11%synergy
Bayou
23%inclusion151 decks661 decks
10%synergy
City of Brass
19%inclusion125 decks661 decks
12%synergy
Deathcap Glade
19%inclusion123 decks661 decks
4%synergy
Haunted Ridge
18%inclusion121 decks661 decks
5%synergy
Karplusan Forest
18%inclusion119 decks661 decks
-6%synergy
Sulfurous Springs
17%inclusion113 decks661 decks
-5%synergy
Evolving Wilds
16%inclusion108 decks661 decks
-18%synergy
Underground Mortuary
16%inclusion104 decks661 decks
-1%synergy
Mana Confluence
15%inclusion101 decks661 decks
9%synergy
Fabled Passage
14%inclusion94 decks661 decks
-10%synergy
Commercial District
14%inclusion90 decks661 decks
-3%synergy
Windswept Heath
13%inclusion87 decks661 decks
2%synergy
Twilight Mire
13%inclusion87 decks661 decks
-1%synergy
Raucous Theater
13%inclusion87 decks661 decks
-2%synergy
Reflecting Pool
13%inclusion84 decks661 decks
8%synergy
Terramorphic Expanse
13%inclusion84 decks661 decks
-16%synergy
Golgari Rot Farm
12%inclusion77 decks661 decks
-2%synergy
Polluted Delta
11%inclusion74 decks661 decks
2%synergy
Misty Rainforest
11%inclusion73 decks661 decks
1%synergy
Marsh Flats
11%inclusion70 decks661 decks
1%synergy
Arid Mesa
10%inclusion69 decks661 decks
1%synergy
Twisted Landscape
10%inclusion63 decks623 decks
-14%synergy
Graven Cairns
8.8%inclusion58 decks661 decks
5%synergy
Scalding Tarn
8.5%inclusion56 decks661 decks
0%synergy
Darkbore Pathway
8.0%inclusion53 decks661 decks
3%synergy
Thornspire Verge
8.0%inclusion44 decks549 decks
0%synergy
Blightstep Pathway
7.9%inclusion52 decks661 decks
3%synergy
Temple of Malady
7.1%inclusion47 decks661 decks
-6%synergy