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%inclusion658 decks6.55K decks
New Cards
Cauldron of Essence
29%inclusion4 decks14 decks
26%synergy
Pest Rescuer
3.7%inclusion1 decks27 decks
3%synergy
Ninja Teen
2.5%inclusion3 decks122 decks
2%synergy
Slash, Reptile Rampager
2.5%inclusion3 decks122 decks
2%synergy
South Wind Avatar
1.6%inclusion2 decks122 decks
1%synergy
High Synergy Cards
Purphoros, God of the Forge
78%inclusion511 decks658 decks
75%synergy
Ashnod's Altar
84%inclusion556 decks658 decks
74%synergy
Parallel Lives
79%inclusion519 decks658 decks
73%synergy
Impact Tremors
78%inclusion515 decks658 decks
72%synergy
Skullclamp
84%inclusion556 decks658 decks
70%synergy
Zulaport Cutthroat
77%inclusion507 decks658 decks
68%synergy
Goblin Bombardment
74%inclusion490 decks658 decks
65%synergy
Chatterfang, Squirrel General
73%inclusion481 decks658 decks
64%synergy
Blood Artist
72%inclusion477 decks658 decks
62%synergy
Food Chain
65%inclusion428 decks658 decks
62%synergy
Top Cards
Pitiless Plunderer
73%inclusion483 decks658 decks
61%synergy
Ignoble Hierarch
71%inclusion467 decks658 decks
15%synergy
Mirkwood Bats
65%inclusion427 decks658 decks
53%synergy
Mayhem Devil
65%inclusion426 decks658 decks
38%synergy
Birds of Paradise
63%inclusion416 decks658 decks
32%synergy
Korvold, Fae-Cursed King
63%inclusion415 decks658 decks
43%synergy
Fecundity
59%inclusion385 decks658 decks
56%synergy
Sakura-Tribe Elder
57%inclusion373 decks658 decks
25%synergy
Assassin's Trophy
55%inclusion364 decks658 decks
11%synergy
Farseek
55%inclusion359 decks658 decks
6%synergy
Game Changers
Demonic Tutor
48%inclusion315 decks658 decks
32%synergy
Vampiric Tutor
32%inclusion210 decks658 decks
20%synergy
Worldly Tutor
24%inclusion159 decks658 decks
14%synergy
Ancient Tomb
20%inclusion134 decks658 decks
13%synergy
Gaea's Cradle
15%inclusion101 decks658 decks
12%synergy
Mana Vault
12%inclusion81 decks658 decks
9%synergy
Orcish Bowmasters
12%inclusion81 decks658 decks
6%synergy
Jeska's Will
12%inclusion81 decks658 decks
6%synergy
Necropotence
7.8%inclusion51 decks658 decks
5%synergy
Bolas's Citadel
7.3%inclusion48 decks658 decks
5%synergy
Creatures
Eternal Witness
42%inclusion277 decks658 decks
17%synergy
Viscera Seer
42%inclusion274 decks658 decks
31%synergy
Warren Soultrader
41%inclusion266 decks644 decks
33%synergy
Mahadi, Emporium Master
39%inclusion259 decks658 decks
30%synergy
Avenger of Zendikar
38%inclusion252 decks658 decks
30%synergy
Endrek Sahr, Master Breeder
35%inclusion232 decks658 decks
34%synergy
Poison-Tip Archer
34%inclusion222 decks658 decks
31%synergy
Craterhoof Behemoth
33%inclusion218 decks658 decks
30%synergy
Marionette Apprentice
31%inclusion202 decks644 decks
26%synergy
Agate Instigator
31%inclusion189 decks607 decks
30%synergy
Enduring Vitality
29%inclusion164 decks560 decks
27%synergy
Squee, the Immortal
29%inclusion191 decks658 decks
25%synergy
Ophiomancer
29%inclusion190 decks658 decks
26%synergy
Llanowar Elves
28%inclusion186 decks658 decks
15%synergy
Sephiroth, Fabled SOLDIER
27%inclusion96 decks354 decks
24%synergy
Mycoloth
26%inclusion170 decks658 decks
22%synergy
Delighted Halfling
25%inclusion167 decks658 decks
13%synergy
Smothering Abomination
25%inclusion162 decks658 decks
23%synergy
Witty Roastmaster
22%inclusion147 decks658 decks
21%synergy
Garna, Bloodfist of Keld
22%inclusion145 decks658 decks
20%synergy
Elvish Mystic
22%inclusion143 decks658 decks
13%synergy
Goblin Sharpshooter
22%inclusion142 decks658 decks
20%synergy
Juri, Master of the Revue
21%inclusion135 decks658 decks
7%synergy
Anger
21%inclusion135 decks658 decks
3%synergy
Yawgmoth, Thran Physician
19%inclusion125 decks658 decks
13%synergy
Dragon Broodmother
18%inclusion116 decks658 decks
16%synergy
Syr Konrad, the Grim
17%inclusion115 decks658 decks
7%synergy
Enduring Courage
17%inclusion97 decks562 decks
14%synergy
Butcher of Malakir
17%inclusion112 decks658 decks
13%synergy
Elves of Deep Shadow
17%inclusion111 decks658 decks
8%synergy
Deathrite Shaman
16%inclusion106 decks658 decks
5%synergy
Devilish Valet
16%inclusion105 decks658 decks
15%synergy
Lagomos, Hand of Hatred
16%inclusion104 decks658 decks
13%synergy
Beledros Witherbloom
15%inclusion100 decks658 decks
12%synergy
Xenagos, God of Revels
15%inclusion96 decks658 decks
8%synergy
Sprouting Thrinax
14%inclusion95 decks658 decks
11%synergy
Molten Gatekeeper
14%inclusion91 decks642 decks
13%synergy
Mazirek, Kraul Death Priest
14%inclusion90 decks658 decks
0%synergy
Solemn Simulacrum
13%inclusion84 decks658 decks
-1%synergy
Tendershoot Dryad
12%inclusion82 decks658 decks
9%synergy
Fyndhorn Elves
12%inclusion81 decks658 decks
7%synergy
Hexing Squelcher
12%inclusion17 decks143 decks
3%synergy
Wood Elves
12%inclusion78 decks658 decks
8%synergy
Reclamation Sage
12%inclusion76 decks658 decks
7%synergy
Ziatora, the Incinerator
11%inclusion75 decks658 decks
-3%synergy
Deathbringer Thoctar
11%inclusion74 decks658 decks
10%synergy
Bloom Tender
11%inclusion73 decks658 decks
5%synergy
Braids, Arisen Nightmare
11%inclusion71 decks658 decks
-7%synergy
Ogre Battledriver
10%inclusion67 decks658 decks
10%synergy
Scute Swarm
10%inclusion65 decks658 decks
-2%synergy
Instants
Beast Within
50%inclusion328 decks658 decks
10%synergy
Heroic Intervention
38%inclusion247 decks658 decks
12%synergy
Artifact Mutation
32%inclusion209 decks658 decks
26%synergy
Dark Ritual
30%inclusion195 decks658 decks
16%synergy
Chaos Warp
30%inclusion195 decks658 decks
7%synergy
Village Rites
27%inclusion178 decks658 decks
18%synergy
Deflecting Swat
27%inclusion176 decks658 decks
11%synergy
Terminate
25%inclusion164 decks658 decks
-3%synergy
Deadly Dispute
21%inclusion139 decks658 decks
7%synergy
Putrefy
19%inclusion126 decks658 decks
-4%synergy
Abrupt Decay
18%inclusion116 decks658 decks
6%synergy
Plumb the Forbidden
17%inclusion112 decks658 decks
15%synergy
Deadly Rollick
16%inclusion107 decks658 decks
4%synergy
Krosan Grip
14%inclusion94 decks658 decks
10%synergy
Second Harvest
14%inclusion93 decks658 decks
12%synergy
Chord of Calling
12%inclusion81 decks658 decks
10%synergy
Nature's Claim
11%inclusion71 decks658 decks
5%synergy
Tear Asunder
9.1%inclusion60 decks658 decks
-4%synergy
Pyroblast
9.0%inclusion59 decks658 decks
4%synergy
Red Elemental Blast
9.0%inclusion59 decks658 decks
4%synergy
Return of the Wildspeaker
9.0%inclusion59 decks658 decks
3%synergy
Veil of Summer
8.7%inclusion57 decks658 decks
3%synergy
Tragic Slip
8.5%inclusion56 decks658 decks
7%synergy
Culling the Weak
8.1%inclusion53 decks658 decks
4%synergy
Corrupted Conviction
7.8%inclusion51 decks658 decks
4%synergy
Crop Rotation
7.6%inclusion50 decks658 decks
-7%synergy
Harrow
7.6%inclusion50 decks658 decks
-13%synergy
Fresh Meat
7.4%inclusion49 decks658 decks
7%synergy
Bedevil
7.4%inclusion49 decks658 decks
1%synergy
Tainted Strike
7.3%inclusion48 decks658 decks
6%synergy
Blood for the Blood God!
6.5%inclusion43 decks658 decks
6%synergy
Arachnogenesis
6.4%inclusion42 decks658 decks
3%synergy
Fling
6.2%inclusion41 decks658 decks
1%synergy
Noxious Revival
6.2%inclusion41 decks658 decks
0%synergy
Fell the Profane
5.1%inclusion33 decks644 decks
-1%synergy
Sorceries
Nature's Lore
52%inclusion343 decks658 decks
14%synergy
Cultivate
52%inclusion343 decks658 decks
11%synergy
Three Visits
44%inclusion289 decks658 decks
20%synergy
Diabolic Intent
40%inclusion263 decks658 decks
31%synergy
Kodama's Reach
39%inclusion255 decks658 decks
16%synergy
Blasphemous Act
35%inclusion233 decks658 decks
-5%synergy
Toxic Deluge
29%inclusion193 decks658 decks
13%synergy
Rampant Growth
29%inclusion191 decks658 decks
-2%synergy
Tempt with Vengeance
19%inclusion125 decks658 decks
17%synergy
Victimize
17%inclusion115 decks658 decks
-3%synergy
Skyshroud Claim
17%inclusion114 decks658 decks
7%synergy
Damnation
16%inclusion106 decks658 decks
10%synergy
Song of Totentanz
16%inclusion103 decks658 decks
14%synergy
Blasphemous Edict
15%inclusion75 decks516 decks
9%synergy
Vandalblast
14%inclusion91 decks658 decks
5%synergy
Reanimate
12%inclusion79 decks658 decks
-10%synergy
Finale of Devastation
11%inclusion74 decks658 decks
7%synergy
Culling Ritual
11%inclusion73 decks658 decks
0%synergy
Bala Ged Recovery
11%inclusion72 decks658 decks
2%synergy
Shamanic Revelation
11%inclusion70 decks658 decks
9%synergy
Grim Tutor
10%inclusion67 decks658 decks
8%synergy
Green Sun's Zenith
9.1%inclusion60 decks658 decks
6%synergy
Chandra's Ignition
9.1%inclusion60 decks658 decks
-3%synergy
Crux of Fate
8.2%inclusion54 decks658 decks
6%synergy
Diabolic Tutor
8.1%inclusion53 decks658 decks
5%synergy
Pest Infestation
7.3%inclusion48 decks658 decks
1%synergy
Decimate
7.0%inclusion46 decks658 decks
1%synergy
Tooth and Nail
6.4%inclusion42 decks658 decks
6%synergy
Overwhelming Stampede
6.2%inclusion41 decks658 decks
5%synergy
Awaken the Woods
6.2%inclusion41 decks658 decks
4%synergy
Rishkar's Expertise
6.1%inclusion40 decks658 decks
-2%synergy
Eldritch Evolution
5.6%inclusion37 decks658 decks
0%synergy
Hull Breach
5.5%inclusion36 decks658 decks
4%synergy
Torment of Hailfire
5.5%inclusion36 decks658 decks
0%synergy
Descent of the Dragons
5.2%inclusion34 decks658 decks
5%synergy
Triumph of the Hordes
5.2%inclusion34 decks658 decks
4%synergy
Utility Artifacts
Lightning Greaves
42%inclusion274 decks658 decks
19%synergy
Swiftfoot Boots
25%inclusion164 decks658 decks
3%synergy
The One Ring
8.4%inclusion55 decks658 decks
4%synergy
Tarrian's Soulcleaver
7.0%inclusion46 decks658 decks
5%synergy
Sensei's Divining Top
6.7%inclusion44 decks658 decks
5%synergy
Coat of Arms
5.3%inclusion35 decks658 decks
5%synergy
Enchantments
Dictate of Erebos
49%inclusion323 decks658 decks
44%synergy
Bastion of Remembrance
47%inclusion311 decks658 decks
42%synergy
Moldervine Reclamation
45%inclusion293 decks658 decks
37%synergy
Cryptolith Rite
40%inclusion265 decks658 decks
38%synergy
Beastmaster Ascension
36%inclusion235 decks658 decks
33%synergy
Grave Pact
31%inclusion207 decks658 decks
28%synergy
The Meathook Massacre
30%inclusion198 decks658 decks
27%synergy
Sylvan Library
27%inclusion178 decks658 decks
20%synergy
Rhythm of the Wild
25%inclusion166 decks658 decks
7%synergy
Awakening Zone
23%inclusion153 decks658 decks
19%synergy
Growing Rites of Itlimoc
22%inclusion143 decks658 decks
20%synergy
Primal Vigor
20%inclusion132 decks658 decks
18%synergy
Phyrexian Arena
16%inclusion105 decks658 decks
8%synergy
Insidious Roots
16%inclusion103 decks658 decks
12%synergy
Bitterblossom
15%inclusion96 decks658 decks
12%synergy
Black Market Connections
12%inclusion80 decks658 decks
5%synergy
Shared Animosity
11%inclusion74 decks658 decks
10%synergy
Black Market
11%inclusion71 decks658 decks
9%synergy
Springleaf Parade
10%inclusion15 decks143 decks
10%synergy
Fires of Yavimaya
8.2%inclusion54 decks658 decks
6%synergy
Funeral Room // Awakening Hall
8.1%inclusion46 decks568 decks
7%synergy
Earthcraft
8.1%inclusion53 decks658 decks
8%synergy
Greater Good
8.1%inclusion53 decks658 decks
-4%synergy
City on Fire
6.1%inclusion40 decks658 decks
4%synergy
Deathreap Ritual
5.3%inclusion35 decks658 decks
-3%synergy
Sothera, the Supervoid
5.2%inclusion17 decks324 decks
4%synergy
Tooth and Claw
5.0%inclusion33 decks658 decks
5%synergy
Planeswalkers
Xenagos, the Reveler
34%inclusion226 decks658 decks
33%synergy
Liliana, Dreadhorde General
18%inclusion116 decks658 decks
15%synergy
Tevesh Szat, Doom of Fools
5.6%inclusion37 decks658 decks
5%synergy
Sarkhan Vol
5.2%inclusion34 decks658 decks
5%synergy
Garruk Wildspeaker
5.2%inclusion34 decks658 decks
5%synergy
Utility Lands
Phyrexian Tower
51%inclusion337 decks658 decks
42%synergy
Kher Keep
50%inclusion326 decks658 decks
47%synergy
Urborg, Tomb of Yawgmoth
45%inclusion298 decks658 decks
27%synergy
Yavimaya, Cradle of Growth
41%inclusion269 decks658 decks
20%synergy
Reliquary Tower
32%inclusion213 decks658 decks
13%synergy
Bojuka Bog
32%inclusion212 decks658 decks
0%synergy
Kessig Wolf Run
31%inclusion205 decks658 decks
13%synergy
Boseiju, Who Endures
29%inclusion190 decks658 decks
10%synergy
Rogue's Passage
20%inclusion132 decks658 decks
6%synergy
Temple of the False God
17%inclusion109 decks658 decks
10%synergy
Westvale Abbey
14%inclusion92 decks658 decks
13%synergy
Cabal Coffers
13%inclusion87 decks658 decks
9%synergy
Field of the Dead
12%inclusion77 decks658 decks
4%synergy
Khalni Garden
11%inclusion72 decks658 decks
10%synergy
Evendo, Waking Haven
10%inclusion31 decks297 decks
7%synergy
High Market
8.8%inclusion58 decks658 decks
5%synergy
Takenuma, Abandoned Mire
7.8%inclusion51 decks658 decks
-2%synergy
Dryad Arbor
7.6%inclusion50 decks658 decks
4%synergy
Grim Backwoods
7.0%inclusion46 decks658 decks
5%synergy
Three Tree City
6.4%inclusion39 decks613 decks
5%synergy
Sokenzan, Crucible of Defiance
6.1%inclusion40 decks658 decks
4%synergy
Urza's Saga
5.8%inclusion38 decks658 decks
1%synergy
Shifting Woodland
5.7%inclusion37 decks644 decks
-6%synergy
Shizo, Death's Storehouse
5.6%inclusion37 decks658 decks
4%synergy
Strip Mine
5.5%inclusion36 decks658 decks
-2%synergy
Mana Artifacts
Sol Ring
92%inclusion607 decks658 decks
11%synergy
Arcane Signet
74%inclusion485 decks658 decks
4%synergy
Chromatic Lantern
16%inclusion106 decks658 decks
10%synergy
Golgari Signet
16%inclusion102 decks658 decks
7%synergy
Fellwar Stone
15%inclusion96 decks658 decks
3%synergy
Talisman of Resilience
14%inclusion94 decks658 decks
0%synergy
Gruul Signet
13%inclusion87 decks658 decks
5%synergy
Rakdos Signet
13%inclusion85 decks658 decks
5%synergy
Talisman of Impulse
11%inclusion75 decks658 decks
0%synergy
Talisman of Indulgence
11%inclusion74 decks658 decks
-1%synergy
Lotus Petal
8.5%inclusion56 decks658 decks
3%synergy
Chrome Mox
7.3%inclusion48 decks658 decks
3%synergy
Commander's Sphere
6.7%inclusion44 decks658 decks
-2%synergy
Lands
Command Tower
95%inclusion623 decks658 decks
4%synergy
Stomping Ground
80%inclusion524 decks658 decks
30%synergy
Overgrown Tomb
79%inclusion519 decks658 decks
31%synergy
Blood Crypt
77%inclusion509 decks658 decks
32%synergy
Ziatora's Proving Ground
68%inclusion446 decks658 decks
22%synergy
Bloodstained Mire
60%inclusion395 decks658 decks
23%synergy
Wooded Foothills
60%inclusion392 decks658 decks
23%synergy
Verdant Catacombs
57%inclusion374 decks658 decks
22%synergy
Undergrowth Stadium
48%inclusion318 decks658 decks
19%synergy
Spire Garden
48%inclusion315 decks658 decks
21%synergy
Dragonskull Summit
47%inclusion312 decks658 decks
14%synergy
Rootbound Crag
47%inclusion308 decks658 decks
14%synergy
Luxury Suite
47%inclusion307 decks658 decks
21%synergy
Woodland Cemetery
47%inclusion306 decks658 decks
11%synergy
Savage Lands
41%inclusion272 decks658 decks
-2%synergy
Exotic Orchard
39%inclusion258 decks658 decks
-9%synergy
Cinder Glade
32%inclusion211 decks658 decks
-18%synergy
Smoldering Marsh
28%inclusion187 decks658 decks
-19%synergy
Llanowar Wastes
26%inclusion173 decks658 decks
-2%synergy
Rockfall Vale
24%inclusion155 decks658 decks
2%synergy
Badlands
23%inclusion154 decks658 decks
11%synergy
Bayou
23%inclusion154 decks658 decks
11%synergy
Taiga
23%inclusion153 decks658 decks
11%synergy
City of Brass
19%inclusion127 decks658 decks
12%synergy
Deathcap Glade
19%inclusion125 decks658 decks
5%synergy
Haunted Ridge
19%inclusion123 decks658 decks
5%synergy
Karplusan Forest
19%inclusion122 decks658 decks
-5%synergy
Sulfurous Springs
17%inclusion111 decks658 decks
-6%synergy
Underground Mortuary
16%inclusion106 decks658 decks
-1%synergy
Evolving Wilds
16%inclusion106 decks658 decks
-18%synergy
Mana Confluence
16%inclusion102 decks658 decks
9%synergy
Fabled Passage
15%inclusion99 decks658 decks
-9%synergy
Commercial District
14%inclusion91 decks658 decks
-3%synergy
Windswept Heath
13%inclusion87 decks658 decks
2%synergy
Twilight Mire
13%inclusion86 decks658 decks
-2%synergy
Raucous Theater
13%inclusion86 decks658 decks
-2%synergy
Reflecting Pool
13%inclusion85 decks658 decks
8%synergy
Terramorphic Expanse
12%inclusion81 decks658 decks
-17%synergy
Golgari Rot Farm
12%inclusion76 decks658 decks
-2%synergy
Polluted Delta
11%inclusion75 decks658 decks
2%synergy
Misty Rainforest
11%inclusion74 decks658 decks
1%synergy
Arid Mesa
11%inclusion70 decks658 decks
2%synergy
Marsh Flats
10%inclusion69 decks658 decks
1%synergy
Twisted Landscape
10%inclusion63 decks642 decks
-14%synergy
Graven Cairns
9.1%inclusion60 decks658 decks
5%synergy
Scalding Tarn
8.5%inclusion56 decks658 decks
1%synergy
Darkbore Pathway
7.8%inclusion51 decks658 decks
3%synergy
Thornspire Verge
7.7%inclusion44 decks568 decks
0%synergy
Blightstep Pathway
7.6%inclusion50 decks658 decks
3%synergy
Fire-Lit Thicket
7.4%inclusion49 decks658 decks
4%synergy