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%inclusion664 decks6.40K decks
New Cards
Hexing Squelcher
11%inclusion12 decks106 decks
2%synergy
Springleaf Parade
10%inclusion11 decks106 decks
10%synergy
Spry and Mighty
3.8%inclusion4 decks104 decks
3%synergy
Grave Venerations
3.8%inclusion4 decks106 decks
-12%synergy
Ninja Teen
3.6%inclusion3 decks83 decks
3%synergy
High Synergy Cards
Purphoros, God of the Forge
77%inclusion514 decks664 decks
75%synergy
Ashnod's Altar
85%inclusion566 decks664 decks
74%synergy
Parallel Lives
78%inclusion520 decks664 decks
73%synergy
Impact Tremors
79%inclusion525 decks664 decks
73%synergy
Skullclamp
84%inclusion558 decks664 decks
70%synergy
Zulaport Cutthroat
76%inclusion507 decks664 decks
67%synergy
Chatterfang, Squirrel General
73%inclusion482 decks664 decks
64%synergy
Goblin Bombardment
74%inclusion489 decks664 decks
64%synergy
Food Chain
65%inclusion433 decks664 decks
62%synergy
Blood Artist
72%inclusion476 decks664 decks
62%synergy
Top Cards
Pitiless Plunderer
73%inclusion488 decks664 decks
60%synergy
Ignoble Hierarch
70%inclusion468 decks664 decks
15%synergy
Mayhem Devil
65%inclusion429 decks664 decks
38%synergy
Mirkwood Bats
64%inclusion424 decks664 decks
52%synergy
Birds of Paradise
63%inclusion416 decks664 decks
31%synergy
Korvold, Fae-Cursed King
61%inclusion405 decks664 decks
41%synergy
Fecundity
58%inclusion383 decks664 decks
55%synergy
Sakura-Tribe Elder
56%inclusion375 decks664 decks
25%synergy
Assassin's Trophy
55%inclusion364 decks664 decks
11%synergy
Farseek
55%inclusion364 decks664 decks
7%synergy
Game Changers
Demonic Tutor
47%inclusion312 decks664 decks
31%synergy
Vampiric Tutor
32%inclusion212 decks664 decks
20%synergy
Worldly Tutor
24%inclusion160 decks664 decks
14%synergy
Ancient Tomb
20%inclusion135 decks664 decks
13%synergy
Gaea's Cradle
15%inclusion101 decks664 decks
12%synergy
Mana Vault
13%inclusion83 decks664 decks
9%synergy
Orcish Bowmasters
12%inclusion81 decks664 decks
6%synergy
Jeska's Will
12%inclusion79 decks664 decks
5%synergy
Necropotence
8.0%inclusion53 decks664 decks
5%synergy
Bolas's Citadel
7.1%inclusion47 decks664 decks
5%synergy
Creatures
Eternal Witness
42%inclusion278 decks664 decks
17%synergy
Viscera Seer
42%inclusion276 decks664 decks
31%synergy
Warren Soultrader
41%inclusion254 decks622 decks
33%synergy
Mahadi, Emporium Master
39%inclusion260 decks664 decks
30%synergy
Avenger of Zendikar
39%inclusion258 decks664 decks
30%synergy
Endrek Sahr, Master Breeder
35%inclusion233 decks664 decks
34%synergy
Poison-Tip Archer
34%inclusion224 decks664 decks
31%synergy
Craterhoof Behemoth
34%inclusion223 decks664 decks
31%synergy
Agate Instigator
31%inclusion184 decks585 decks
30%synergy
Marionette Apprentice
31%inclusion192 decks622 decks
26%synergy
Llanowar Elves
29%inclusion193 decks664 decks
15%synergy
Enduring Vitality
29%inclusion156 decks538 decks
26%synergy
Squee, the Immortal
29%inclusion192 decks664 decks
25%synergy
Ophiomancer
29%inclusion190 decks664 decks
26%synergy
Mycoloth
27%inclusion178 decks664 decks
22%synergy
Sephiroth, Fabled SOLDIER
26%inclusion86 decks330 decks
23%synergy
Delighted Halfling
26%inclusion170 decks664 decks
14%synergy
Smothering Abomination
25%inclusion165 decks664 decks
23%synergy
Garna, Bloodfist of Keld
22%inclusion149 decks664 decks
20%synergy
Elvish Mystic
22%inclusion149 decks664 decks
14%synergy
Witty Roastmaster
22%inclusion148 decks664 decks
21%synergy
Goblin Sharpshooter
22%inclusion148 decks664 decks
21%synergy
Juri, Master of the Revue
20%inclusion136 decks664 decks
7%synergy
Anger
19%inclusion128 decks664 decks
1%synergy
Yawgmoth, Thran Physician
19%inclusion127 decks664 decks
14%synergy
Dragon Broodmother
18%inclusion121 decks664 decks
16%synergy
Syr Konrad, the Grim
18%inclusion119 decks664 decks
7%synergy
Enduring Courage
18%inclusion95 decks540 decks
14%synergy
Elves of Deep Shadow
17%inclusion116 decks664 decks
8%synergy
Butcher of Malakir
17%inclusion114 decks664 decks
13%synergy
Devilish Valet
16%inclusion109 decks664 decks
16%synergy
Deathrite Shaman
16%inclusion108 decks664 decks
5%synergy
Lagomos, Hand of Hatred
16%inclusion106 decks664 decks
13%synergy
Beledros Witherbloom
16%inclusion103 decks664 decks
13%synergy
Xenagos, God of Revels
15%inclusion102 decks664 decks
9%synergy
Sprouting Thrinax
15%inclusion99 decks664 decks
11%synergy
Mazirek, Kraul Death Priest
15%inclusion98 decks664 decks
2%synergy
Molten Gatekeeper
14%inclusion86 decks620 decks
13%synergy
Solemn Simulacrum
13%inclusion86 decks664 decks
-1%synergy
Tendershoot Dryad
13%inclusion83 decks664 decks
9%synergy
Fyndhorn Elves
13%inclusion83 decks664 decks
7%synergy
Deathbringer Thoctar
12%inclusion81 decks664 decks
11%synergy
Wood Elves
12%inclusion81 decks664 decks
9%synergy
Reclamation Sage
12%inclusion80 decks664 decks
8%synergy
Ziatora, the Incinerator
12%inclusion77 decks664 decks
-3%synergy
Bloom Tender
11%inclusion70 decks664 decks
4%synergy
Braids, Arisen Nightmare
11%inclusion70 decks664 decks
-7%synergy
Ogre Battledriver
10%inclusion68 decks664 decks
10%synergy
Scute Swarm
10%inclusion67 decks664 decks
-2%synergy
Compy Swarm
9.3%inclusion62 decks664 decks
8%synergy
Instants
Beast Within
50%inclusion334 decks664 decks
10%synergy
Heroic Intervention
38%inclusion251 decks664 decks
12%synergy
Artifact Mutation
32%inclusion213 decks664 decks
27%synergy
Chaos Warp
30%inclusion196 decks664 decks
6%synergy
Dark Ritual
29%inclusion191 decks664 decks
16%synergy
Village Rites
27%inclusion181 decks664 decks
19%synergy
Deflecting Swat
26%inclusion174 decks664 decks
10%synergy
Terminate
24%inclusion162 decks664 decks
-3%synergy
Deadly Dispute
21%inclusion139 decks664 decks
7%synergy
Putrefy
19%inclusion128 decks664 decks
-3%synergy
Abrupt Decay
18%inclusion119 decks664 decks
6%synergy
Plumb the Forbidden
17%inclusion115 decks664 decks
16%synergy
Deadly Rollick
16%inclusion109 decks664 decks
4%synergy
Krosan Grip
14%inclusion96 decks664 decks
10%synergy
Second Harvest
14%inclusion95 decks664 decks
12%synergy
Chord of Calling
13%inclusion85 decks664 decks
11%synergy
Nature's Claim
11%inclusion73 decks664 decks
5%synergy
Tear Asunder
10%inclusion64 decks664 decks
-4%synergy
Return of the Wildspeaker
9.0%inclusion60 decks664 decks
3%synergy
Veil of Summer
8.7%inclusion58 decks664 decks
3%synergy
Tragic Slip
8.6%inclusion57 decks664 decks
7%synergy
Pyroblast
8.4%inclusion56 decks664 decks
3%synergy
Red Elemental Blast
8.4%inclusion56 decks664 decks
3%synergy
Corrupted Conviction
8.0%inclusion53 decks664 decks
4%synergy
Fresh Meat
7.8%inclusion52 decks664 decks
7%synergy
Crop Rotation
7.8%inclusion52 decks664 decks
-6%synergy
Bedevil
7.7%inclusion51 decks664 decks
1%synergy
Harrow
7.4%inclusion49 decks664 decks
-13%synergy
Tainted Strike
7.1%inclusion47 decks664 decks
5%synergy
Culling the Weak
6.9%inclusion46 decks664 decks
3%synergy
Arachnogenesis
6.6%inclusion44 decks664 decks
4%synergy
Fling
6.3%inclusion42 decks664 decks
1%synergy
Noxious Revival
6.3%inclusion42 decks664 decks
0%synergy
Blood for the Blood God!
6.0%inclusion40 decks664 decks
5%synergy
Fell the Profane
5.3%inclusion33 decks622 decks
-1%synergy
Body Count
5.3%inclusion35 decks664 decks
5%synergy
Revitalizing Repast
5.1%inclusion32 decks622 decks
-5%synergy
Sorceries
Nature's Lore
52%inclusion344 decks664 decks
14%synergy
Cultivate
51%inclusion340 decks664 decks
10%synergy
Three Visits
43%inclusion288 decks664 decks
19%synergy
Diabolic Intent
40%inclusion265 decks664 decks
31%synergy
Kodama's Reach
38%inclusion253 decks664 decks
15%synergy
Blasphemous Act
36%inclusion238 decks664 decks
-5%synergy
Rampant Growth
30%inclusion197 decks664 decks
-2%synergy
Toxic Deluge
29%inclusion195 decks664 decks
13%synergy
Tempt with Vengeance
18%inclusion121 decks664 decks
17%synergy
Victimize
18%inclusion117 decks664 decks
-3%synergy
Skyshroud Claim
17%inclusion116 decks664 decks
8%synergy
Damnation
17%inclusion110 decks664 decks
11%synergy
Song of Totentanz
16%inclusion103 decks664 decks
14%synergy
Blasphemous Edict
14%inclusion71 decks494 decks
9%synergy
Vandalblast
13%inclusion87 decks664 decks
4%synergy
Reanimate
12%inclusion78 decks664 decks
-11%synergy
Bala Ged Recovery
11%inclusion74 decks664 decks
2%synergy
Shamanic Revelation
11%inclusion72 decks664 decks
9%synergy
Culling Ritual
11%inclusion72 decks664 decks
0%synergy
Finale of Devastation
11%inclusion70 decks664 decks
6%synergy
Grim Tutor
10%inclusion69 decks664 decks
8%synergy
Green Sun's Zenith
9.2%inclusion61 decks664 decks
6%synergy
Crux of Fate
8.7%inclusion58 decks664 decks
6%synergy
Chandra's Ignition
8.6%inclusion57 decks664 decks
-4%synergy
Diabolic Tutor
8.3%inclusion55 decks664 decks
5%synergy
Pest Infestation
8.0%inclusion53 decks664 decks
2%synergy
Decimate
6.9%inclusion46 decks664 decks
1%synergy
Tooth and Nail
6.8%inclusion45 decks664 decks
6%synergy
Overwhelming Stampede
6.5%inclusion43 decks664 decks
5%synergy
Awaken the Woods
6.2%inclusion41 decks664 decks
4%synergy
Rishkar's Expertise
6.2%inclusion41 decks664 decks
-2%synergy
Hull Breach
6.0%inclusion40 decks664 decks
4%synergy
Torment of Hailfire
5.4%inclusion36 decks664 decks
0%synergy
Triumph of the Hordes
5.3%inclusion35 decks664 decks
4%synergy
Descent of the Dragons
5.1%inclusion34 decks664 decks
5%synergy
Imperial Seal
5.1%inclusion34 decks664 decks
2%synergy
Eldritch Evolution
5.1%inclusion34 decks664 decks
-1%synergy
Utility Artifacts
Lightning Greaves
41%inclusion271 decks664 decks
18%synergy
Swiftfoot Boots
25%inclusion165 decks664 decks
2%synergy
The One Ring
8.3%inclusion55 decks664 decks
4%synergy
Tarrian's Soulcleaver
7.2%inclusion48 decks664 decks
5%synergy
Sensei's Divining Top
7.1%inclusion47 decks664 decks
6%synergy
Coat of Arms
5.3%inclusion35 decks664 decks
5%synergy
Enchantments
Dictate of Erebos
48%inclusion317 decks664 decks
43%synergy
Bastion of Remembrance
47%inclusion312 decks664 decks
42%synergy
Moldervine Reclamation
44%inclusion295 decks664 decks
37%synergy
Cryptolith Rite
40%inclusion264 decks664 decks
38%synergy
Beastmaster Ascension
36%inclusion241 decks664 decks
34%synergy
Grave Pact
32%inclusion210 decks664 decks
28%synergy
The Meathook Massacre
30%inclusion196 decks664 decks
26%synergy
Sylvan Library
28%inclusion187 decks664 decks
21%synergy
Rhythm of the Wild
25%inclusion164 decks664 decks
6%synergy
Growing Rites of Itlimoc
22%inclusion149 decks664 decks
21%synergy
Awakening Zone
22%inclusion148 decks664 decks
18%synergy
Primal Vigor
21%inclusion139 decks664 decks
19%synergy
Phyrexian Arena
17%inclusion110 decks664 decks
8%synergy
Insidious Roots
16%inclusion109 decks664 decks
13%synergy
Bitterblossom
14%inclusion94 decks664 decks
12%synergy
Black Market Connections
12%inclusion78 decks664 decks
4%synergy
Black Market
11%inclusion75 decks664 decks
10%synergy
Shared Animosity
11%inclusion74 decks664 decks
10%synergy
Fires of Yavimaya
8.6%inclusion57 decks664 decks
6%synergy
Funeral Room // Awakening Hall
8.2%inclusion45 decks546 decks
7%synergy
Greater Good
8.1%inclusion54 decks664 decks
-5%synergy
Earthcraft
8.0%inclusion53 decks664 decks
8%synergy
Deathreap Ritual
5.9%inclusion39 decks664 decks
-2%synergy
City on Fire
5.7%inclusion38 decks664 decks
4%synergy
Sothera, the Supervoid
5.0%inclusion15 decks298 decks
4%synergy
Planeswalkers
Xenagos, the Reveler
34%inclusion224 decks664 decks
32%synergy
Liliana, Dreadhorde General
18%inclusion117 decks664 decks
15%synergy
Tevesh Szat, Doom of Fools
6.3%inclusion42 decks664 decks
6%synergy
Sarkhan Vol
5.3%inclusion35 decks664 decks
5%synergy
Utility Lands
Phyrexian Tower
51%inclusion336 decks664 decks
41%synergy
Kher Keep
48%inclusion322 decks664 decks
46%synergy
Urborg, Tomb of Yawgmoth
46%inclusion303 decks664 decks
28%synergy
Yavimaya, Cradle of Growth
41%inclusion273 decks664 decks
20%synergy
Bojuka Bog
33%inclusion216 decks664 decks
0%synergy
Reliquary Tower
32%inclusion210 decks664 decks
12%synergy
Kessig Wolf Run
31%inclusion204 decks664 decks
12%synergy
Boseiju, Who Endures
30%inclusion196 decks664 decks
10%synergy
Rogue's Passage
20%inclusion135 decks664 decks
6%synergy
Temple of the False God
17%inclusion115 decks664 decks
11%synergy
Westvale Abbey
15%inclusion98 decks664 decks
14%synergy
Cabal Coffers
14%inclusion92 decks664 decks
10%synergy
Field of the Dead
12%inclusion81 decks664 decks
4%synergy
Khalni Garden
11%inclusion74 decks664 decks
10%synergy
Evendo, Waking Haven
10%inclusion27 decks269 decks
6%synergy
High Market
8.7%inclusion58 decks664 decks
5%synergy
Dryad Arbor
8.1%inclusion54 decks664 decks
4%synergy
Takenuma, Abandoned Mire
8.0%inclusion53 decks664 decks
-2%synergy
Grim Backwoods
7.2%inclusion48 decks664 decks
5%synergy
Three Tree City
6.4%inclusion38 decks591 decks
5%synergy
Sokenzan, Crucible of Defiance
6.2%inclusion41 decks664 decks
4%synergy
Urza's Saga
5.9%inclusion39 decks664 decks
1%synergy
Shifting Woodland
5.8%inclusion36 decks622 decks
-6%synergy
Shizo, Death's Storehouse
5.7%inclusion38 decks664 decks
4%synergy
Strip Mine
5.7%inclusion38 decks664 decks
-1%synergy
Mana Artifacts
Sol Ring
92%inclusion608 decks664 decks
10%synergy
Arcane Signet
74%inclusion490 decks664 decks
4%synergy
Chromatic Lantern
16%inclusion104 decks664 decks
9%synergy
Golgari Signet
16%inclusion103 decks664 decks
6%synergy
Fellwar Stone
14%inclusion92 decks664 decks
2%synergy
Talisman of Resilience
14%inclusion91 decks664 decks
0%synergy
Gruul Signet
13%inclusion89 decks664 decks
5%synergy
Rakdos Signet
13%inclusion88 decks664 decks
5%synergy
Talisman of Impulse
11%inclusion73 decks664 decks
-1%synergy
Talisman of Indulgence
11%inclusion73 decks664 decks
-1%synergy
Lotus Petal
8.1%inclusion54 decks664 decks
3%synergy
Chrome Mox
7.4%inclusion49 decks664 decks
3%synergy
Commander's Sphere
6.9%inclusion46 decks664 decks
-2%synergy
Lands
Command Tower
95%inclusion628 decks664 decks
4%synergy
Stomping Ground
79%inclusion526 decks664 decks
30%synergy
Overgrown Tomb
79%inclusion522 decks664 decks
31%synergy
Blood Crypt
77%inclusion514 decks664 decks
32%synergy
Ziatora's Proving Ground
68%inclusion450 decks664 decks
22%synergy
Bloodstained Mire
59%inclusion395 decks664 decks
23%synergy
Wooded Foothills
59%inclusion389 decks664 decks
22%synergy
Verdant Catacombs
57%inclusion378 decks664 decks
21%synergy
Undergrowth Stadium
48%inclusion318 decks664 decks
19%synergy
Dragonskull Summit
48%inclusion318 decks664 decks
15%synergy
Spire Garden
47%inclusion315 decks664 decks
21%synergy
Rootbound Crag
47%inclusion312 decks664 decks
15%synergy
Woodland Cemetery
46%inclusion308 decks664 decks
11%synergy
Luxury Suite
46%inclusion306 decks664 decks
20%synergy
Savage Lands
42%inclusion279 decks664 decks
-2%synergy
Exotic Orchard
39%inclusion259 decks664 decks
-9%synergy
Cinder Glade
33%inclusion216 decks664 decks
-17%synergy
Smoldering Marsh
28%inclusion189 decks664 decks
-18%synergy
Llanowar Wastes
25%inclusion169 decks664 decks
-3%synergy
Rockfall Vale
23%inclusion153 decks664 decks
1%synergy
Badlands
23%inclusion150 decks664 decks
10%synergy
Taiga
22%inclusion149 decks664 decks
10%synergy
Bayou
22%inclusion149 decks664 decks
10%synergy
City of Brass
19%inclusion124 decks664 decks
11%synergy
Deathcap Glade
18%inclusion122 decks664 decks
4%synergy
Haunted Ridge
18%inclusion120 decks664 decks
4%synergy
Karplusan Forest
18%inclusion119 decks664 decks
-6%synergy
Sulfurous Springs
17%inclusion114 decks664 decks
-5%synergy
Evolving Wilds
16%inclusion109 decks664 decks
-18%synergy
Underground Mortuary
15%inclusion102 decks664 decks
-1%synergy
Mana Confluence
15%inclusion100 decks664 decks
8%synergy
Fabled Passage
14%inclusion95 decks664 decks
-10%synergy
Commercial District
13%inclusion89 decks664 decks
-3%synergy
Windswept Heath
13%inclusion88 decks664 decks
2%synergy
Twilight Mire
13%inclusion88 decks664 decks
-1%synergy
Raucous Theater
13%inclusion87 decks664 decks
-2%synergy
Terramorphic Expanse
13%inclusion85 decks664 decks
-16%synergy
Reflecting Pool
13%inclusion83 decks664 decks
8%synergy
Golgari Rot Farm
12%inclusion80 decks664 decks
-2%synergy
Polluted Delta
11%inclusion74 decks664 decks
2%synergy
Misty Rainforest
11%inclusion74 decks664 decks
1%synergy
Marsh Flats
11%inclusion70 decks664 decks
1%synergy
Arid Mesa
10%inclusion69 decks664 decks
1%synergy
Twisted Landscape
10%inclusion63 decks620 decks
-14%synergy
Graven Cairns
8.7%inclusion58 decks664 decks
5%synergy
Darkbore Pathway
8.4%inclusion56 decks664 decks
4%synergy
Scalding Tarn
8.4%inclusion56 decks664 decks
0%synergy
Blightstep Pathway
8.3%inclusion55 decks664 decks
4%synergy
Thornspire Verge
8.1%inclusion44 decks546 decks
1%synergy
Temple of Malady
7.2%inclusion48 decks664 decks
-6%synergy