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%inclusion650 decks6.30K decks
New Cards
Obsessive Pursuit
4.8%inclusion3 decks62 decks
3%synergy
Ba Sing Se
3.2%inclusion2 decks62 decks
0%synergy
Beifong's Bounty Hunters
3.0%inclusion2 decks66 decks
1%synergy
Redirect Lightning
2.2%inclusion3 decks139 decks
0%synergy
Realm of Koh
1.7%inclusion1 decks59 decks
1%synergy
High Synergy Cards
Purphoros, God of the Forge
80%inclusion518 decks650 decks
77%synergy
Parallel Lives
80%inclusion520 decks650 decks
74%synergy
Ashnod's Altar
86%inclusion556 decks650 decks
74%synergy
Impact Tremors
80%inclusion520 decks650 decks
73%synergy
Skullclamp
84%inclusion545 decks650 decks
69%synergy
Zulaport Cutthroat
77%inclusion501 decks650 decks
67%synergy
Chatterfang, Squirrel General
75%inclusion485 decks650 decks
65%synergy
Goblin Bombardment
75%inclusion485 decks650 decks
64%synergy
Food Chain
66%inclusion431 decks650 decks
63%synergy
Pitiless Plunderer
76%inclusion491 decks650 decks
62%synergy
Top Cards
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62%synergy
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71%inclusion462 decks650 decks
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Mayhem Devil
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37%synergy
Mirkwood Bats
64%inclusion414 decks650 decks
51%synergy
Birds of Paradise
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Korvold, Fae-Cursed King
61%inclusion396 decks650 decks
42%synergy
Sakura-Tribe Elder
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Fecundity
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55%synergy
Assassin's Trophy
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15%synergy
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Game Changers
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31%synergy
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Field of the Dead
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5%synergy
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6%synergy
Mana Vault
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8%synergy
Necropotence
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5%synergy
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Creatures
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Mycoloth
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Delighted Halfling
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Witty Roastmaster
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Elvish Mystic
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Goblin Sharpshooter
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21%synergy
Yawgmoth, Thran Physician
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18%synergy
Juri, Master of the Revue
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Enduring Courage
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Anger
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Dragon Broodmother
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Wood Elves
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Ziatora, the Incinerator
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Scute Swarm
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Fresh Meat
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Crop Rotation
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Harrow
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Fling
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Fell the Profane
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Blood for the Blood God!
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Noxious Revival
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Body Count
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Arachnogenesis
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Tend the Pests
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Sorceries
Cultivate
53%inclusion347 decks650 decks
11%synergy
Nature's Lore
52%inclusion340 decks650 decks
14%synergy
Three Visits
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20%synergy
Kodama's Reach
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14%synergy
Diabolic Intent
39%inclusion256 decks650 decks
30%synergy
Blasphemous Act
38%inclusion244 decks650 decks
-5%synergy
Toxic Deluge
29%inclusion190 decks650 decks
13%synergy
Rampant Growth
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Skyshroud Claim
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Damnation
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Tempt with Vengeance
18%inclusion116 decks650 decks
16%synergy
Song of Totentanz
18%inclusion115 decks650 decks
16%synergy
Victimize
17%inclusion112 decks650 decks
-4%synergy
Blasphemous Edict
15%inclusion64 decks421 decks
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Vandalblast
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Bala Ged Recovery
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Shamanic Revelation
11%inclusion72 decks650 decks
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Finale of Devastation
11%inclusion72 decks650 decks
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Jeska's Will
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Culling Ritual
10%inclusion67 decks650 decks
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Reanimate
10%inclusion65 decks650 decks
-12%synergy
Green Sun's Zenith
10%inclusion63 decks650 decks
6%synergy
Chandra's Ignition
8.8%inclusion57 decks650 decks
-5%synergy
Pest Infestation
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4%synergy
Crux of Fate
8.2%inclusion53 decks650 decks
5%synergy
Diabolic Tutor
8.2%inclusion53 decks650 decks
5%synergy
Tooth and Nail
7.5%inclusion49 decks650 decks
7%synergy
Overwhelming Stampede
7.1%inclusion46 decks650 decks
5%synergy
Awaken the Woods
7.1%inclusion46 decks650 decks
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Decimate
7.1%inclusion46 decks650 decks
0%synergy
Rishkar's Expertise
6.3%inclusion41 decks650 decks
-3%synergy
Descent of the Dragons
5.8%inclusion38 decks650 decks
5%synergy
Imperial Seal
5.7%inclusion37 decks650 decks
2%synergy
Hull Breach
5.4%inclusion35 decks650 decks
3%synergy
Torment of Hailfire
5.2%inclusion34 decks650 decks
-1%synergy
Eldritch Evolution
5.1%inclusion33 decks650 decks
-1%synergy
Utility Artifacts
Lightning Greaves
40%inclusion257 decks650 decks
15%synergy
Swiftfoot Boots
24%inclusion157 decks650 decks
0%synergy
Tarrian's Soulcleaver
8.5%inclusion55 decks650 decks
6%synergy
The One Ring
7.8%inclusion51 decks650 decks
3%synergy
Sensei's Divining Top
6.6%inclusion43 decks650 decks
5%synergy
Enchantments
Bastion of Remembrance
47%inclusion306 decks650 decks
42%synergy
Dictate of Erebos
46%inclusion296 decks650 decks
41%synergy
Moldervine Reclamation
43%inclusion281 decks650 decks
35%synergy
Cryptolith Rite
38%inclusion247 decks650 decks
36%synergy
Beastmaster Ascension
36%inclusion231 decks650 decks
33%synergy
Grave Pact
31%inclusion199 decks650 decks
27%synergy
The Meathook Massacre
30%inclusion197 decks650 decks
27%synergy
Sylvan Library
30%inclusion193 decks650 decks
22%synergy
Rhythm of the Wild
24%inclusion155 decks650 decks
4%synergy
Growing Rites of Itlimoc
22%inclusion142 decks650 decks
20%synergy
Primal Vigor
21%inclusion137 decks650 decks
19%synergy
Awakening Zone
21%inclusion137 decks650 decks
17%synergy
Insidious Roots
17%inclusion109 decks627 decks
14%synergy
Phyrexian Arena
17%inclusion109 decks650 decks
8%synergy
Bitterblossom
14%inclusion91 decks650 decks
11%synergy
Black Market Connections
12%inclusion79 decks650 decks
5%synergy
Shared Animosity
11%inclusion71 decks650 decks
10%synergy
Black Market
10%inclusion68 decks650 decks
9%synergy
Earthcraft
10%inclusion64 decks650 decks
10%synergy
Funeral Room // Awakening Hall
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8%synergy
Greater Good
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Fires of Yavimaya
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5%synergy
City on Fire
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4%synergy
Deathreap Ritual
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-3%synergy
Sothera, the Supervoid
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4%synergy
Mana Echoes
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5%synergy
Planeswalkers
Xenagos, the Reveler
35%inclusion226 decks650 decks
33%synergy
Liliana, Dreadhorde General
18%inclusion116 decks650 decks
15%synergy
Tevesh Szat, Doom of Fools
6.6%inclusion43 decks650 decks
6%synergy
Sarkhan Vol
6.0%inclusion39 decks650 decks
6%synergy
Garruk Wildspeaker
5.1%inclusion33 decks650 decks
5%synergy
Utility Lands
Phyrexian Tower
51%inclusion331 decks650 decks
41%synergy
Kher Keep
50%inclusion322 decks650 decks
47%synergy
Urborg, Tomb of Yawgmoth
46%inclusion300 decks650 decks
28%synergy
Yavimaya, Cradle of Growth
42%inclusion275 decks650 decks
21%synergy
Bojuka Bog
35%inclusion230 decks650 decks
3%synergy
Reliquary Tower
32%inclusion205 decks650 decks
12%synergy
Kessig Wolf Run
31%inclusion199 decks650 decks
10%synergy
Boseiju, Who Endures
30%inclusion196 decks650 decks
10%synergy
Rogue's Passage
20%inclusion132 decks650 decks
5%synergy
Temple of the False God
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10%synergy
Westvale Abbey
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14%synergy
Cabal Coffers
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10%synergy
Evendo, Waking Haven
11%inclusion20 decks177 decks
7%synergy
Khalni Garden
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9%synergy
High Market
10%inclusion64 decks650 decks
6%synergy
Dryad Arbor
8.6%inclusion56 decks650 decks
5%synergy
Takenuma, Abandoned Mire
8.2%inclusion53 decks650 decks
-2%synergy
Grim Backwoods
7.4%inclusion48 decks650 decks
5%synergy
Three Tree City
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6%synergy
Sokenzan, Crucible of Defiance
7.2%inclusion47 decks650 decks
5%synergy
Shifting Woodland
6.1%inclusion34 decks555 decks
-6%synergy
Shizo, Death's Storehouse
6.0%inclusion39 decks650 decks
4%synergy
Strip Mine
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-1%synergy
Midgar, City of Mako
5.6%inclusion13 decks231 decks
4%synergy
Urza's Saga
5.5%inclusion36 decks650 decks
1%synergy
Arena of Glory
5.4%inclusion30 decks553 decks
1%synergy
Mana Artifacts
Sol Ring
92%inclusion595 decks650 decks
11%synergy
Arcane Signet
75%inclusion487 decks650 decks
7%synergy
Golgari Signet
17%inclusion109 decks650 decks
7%synergy
Chromatic Lantern
16%inclusion101 decks650 decks
9%synergy
Gruul Signet
15%inclusion95 decks650 decks
5%synergy
Rakdos Signet
14%inclusion93 decks650 decks
5%synergy
Fellwar Stone
14%inclusion90 decks650 decks
1%synergy
Talisman of Resilience
14%inclusion88 decks650 decks
-1%synergy
Talisman of Indulgence
11%inclusion71 decks650 decks
-1%synergy
Talisman of Impulse
11%inclusion70 decks650 decks
-1%synergy
Lotus Petal
7.4%inclusion48 decks650 decks
2%synergy
Commander's Sphere
6.9%inclusion45 decks650 decks
-2%synergy
Mana Crypt
6.6%inclusion43 decks650 decks
4%synergy
Chrome Mox
6.3%inclusion41 decks650 decks
2%synergy
The Soul Stone
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1%synergy
Lands
Command Tower
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5%synergy
Stomping Ground
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30%synergy
Overgrown Tomb
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32%synergy
Blood Crypt
78%inclusion506 decks650 decks
34%synergy
Ziatora's Proving Ground
70%inclusion453 decks650 decks
22%synergy
Bloodstained Mire
60%inclusion387 decks650 decks
22%synergy
Wooded Foothills
59%inclusion381 decks650 decks
21%synergy
Verdant Catacombs
58%inclusion375 decks650 decks
22%synergy
Undergrowth Stadium
48%inclusion311 decks650 decks
17%synergy
Spire Garden
48%inclusion310 decks650 decks
20%synergy
Rootbound Crag
47%inclusion306 decks650 decks
19%synergy
Dragonskull Summit
47%inclusion306 decks650 decks
17%synergy
Woodland Cemetery
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15%synergy
Luxury Suite
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19%synergy
Savage Lands
43%inclusion278 decks650 decks
-1%synergy
Exotic Orchard
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-10%synergy
Cinder Glade
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-14%synergy
Smoldering Marsh
29%inclusion190 decks650 decks
-15%synergy
Llanowar Wastes
26%inclusion172 decks650 decks
-1%synergy
Rockfall Vale
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1%synergy
Badlands
23%inclusion150 decks650 decks
11%synergy
Taiga
23%inclusion148 decks650 decks
10%synergy
Bayou
23%inclusion148 decks650 decks
10%synergy
Haunted Ridge
19%inclusion126 decks650 decks
5%synergy
Deathcap Glade
19%inclusion125 decks650 decks
4%synergy
City of Brass
18%inclusion120 decks650 decks
11%synergy
Karplusan Forest
18%inclusion116 decks650 decks
-5%synergy
Sulfurous Springs
17%inclusion108 decks650 decks
-4%synergy
Underground Mortuary
16%inclusion101 decks636 decks
-1%synergy
Evolving Wilds
16%inclusion101 decks650 decks
-17%synergy
Fabled Passage
15%inclusion100 decks650 decks
-8%synergy
Commercial District
14%inclusion89 decks636 decks
-3%synergy
Twilight Mire
14%inclusion90 decks650 decks
0%synergy
Raucous Theater
13%inclusion85 decks635 decks
-2%synergy
Mana Confluence
13%inclusion87 decks650 decks
6%synergy
Windswept Heath
12%inclusion81 decks650 decks
1%synergy
Terramorphic Expanse
12%inclusion81 decks650 decks
-15%synergy
Reflecting Pool
12%inclusion77 decks650 decks
7%synergy
Twisted Landscape
12%inclusion64 decks553 decks
-14%synergy
Golgari Rot Farm
12%inclusion75 decks650 decks
-1%synergy
Misty Rainforest
11%inclusion71 decks650 decks
1%synergy
Polluted Delta
11%inclusion70 decks650 decks
1%synergy
Marsh Flats
10%inclusion63 decks650 decks
0%synergy
Arid Mesa
10%inclusion62 decks650 decks
0%synergy
Blightstep Pathway
9.4%inclusion61 decks650 decks
4%synergy
Graven Cairns
9.1%inclusion59 decks650 decks
5%synergy
Thornspire Verge
8.6%inclusion41 decks475 decks
1%synergy
Darkbore Pathway
8.6%inclusion56 decks650 decks
3%synergy
Scalding Tarn
8.0%inclusion52 decks650 decks
-1%synergy
Blazemire Verge
7.8%inclusion37 decks475 decks
0%synergy