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%inclusion662 decks6.37K decks
New Cards
Hexing Squelcher
11%inclusion10 decks90 decks
1%synergy
Springleaf Parade
7.8%inclusion7 decks90 decks
7%synergy
Grave Venerations
4.4%inclusion4 decks90 decks
-13%synergy
Spry and Mighty
2.3%inclusion2 decks88 decks
2%synergy
Chronicle of Victory
2.2%inclusion2 decks90 decks
2%synergy
High Synergy Cards
Purphoros, God of the Forge
77%inclusion512 decks662 decks
75%synergy
Ashnod's Altar
85%inclusion565 decks662 decks
75%synergy
Parallel Lives
79%inclusion520 decks662 decks
73%synergy
Impact Tremors
79%inclusion523 decks662 decks
73%synergy
Skullclamp
84%inclusion558 decks662 decks
70%synergy
Zulaport Cutthroat
77%inclusion507 decks662 decks
67%synergy
Goblin Bombardment
74%inclusion492 decks662 decks
64%synergy
Chatterfang, Squirrel General
73%inclusion481 decks662 decks
64%synergy
Food Chain
66%inclusion435 decks662 decks
63%synergy
Blood Artist
72%inclusion478 decks662 decks
62%synergy
Top Cards
Pitiless Plunderer
73%inclusion486 decks662 decks
60%synergy
Ignoble Hierarch
70%inclusion463 decks662 decks
14%synergy
Mayhem Devil
65%inclusion428 decks662 decks
38%synergy
Mirkwood Bats
63%inclusion418 decks662 decks
51%synergy
Birds of Paradise
62%inclusion412 decks662 decks
31%synergy
Korvold, Fae-Cursed King
61%inclusion403 decks662 decks
41%synergy
Fecundity
57%inclusion380 decks662 decks
55%synergy
Sakura-Tribe Elder
57%inclusion379 decks662 decks
25%synergy
Farseek
55%inclusion364 decks662 decks
7%synergy
Assassin's Trophy
55%inclusion362 decks662 decks
11%synergy
Game Changers
Demonic Tutor
47%inclusion313 decks662 decks
31%synergy
Vampiric Tutor
32%inclusion213 decks662 decks
20%synergy
Worldly Tutor
24%inclusion158 decks662 decks
14%synergy
Ancient Tomb
20%inclusion134 decks662 decks
12%synergy
Gaea's Cradle
15%inclusion100 decks662 decks
12%synergy
Field of the Dead
13%inclusion85 decks662 decks
5%synergy
Mana Vault
12%inclusion82 decks662 decks
9%synergy
Orcish Bowmasters
12%inclusion81 decks662 decks
6%synergy
Necropotence
8.0%inclusion53 decks662 decks
5%synergy
Bolas's Citadel
7.3%inclusion48 decks662 decks
5%synergy
Creatures
Viscera Seer
42%inclusion280 decks662 decks
32%synergy
Eternal Witness
42%inclusion278 decks662 decks
16%synergy
Warren Soultrader
41%inclusion248 decks612 decks
32%synergy
Mahadi, Emporium Master
39%inclusion258 decks662 decks
29%synergy
Avenger of Zendikar
38%inclusion254 decks662 decks
30%synergy
Endrek Sahr, Master Breeder
35%inclusion231 decks662 decks
33%synergy
Poison-Tip Archer
35%inclusion229 decks662 decks
32%synergy
Craterhoof Behemoth
33%inclusion219 decks662 decks
30%synergy
Agate Instigator
31%inclusion181 decks575 decks
30%synergy
Marionette Apprentice
31%inclusion191 decks612 decks
26%synergy
Llanowar Elves
29%inclusion193 decks662 decks
15%synergy
Enduring Vitality
29%inclusion153 decks528 decks
26%synergy
Ophiomancer
29%inclusion190 decks662 decks
26%synergy
Squee, the Immortal
29%inclusion190 decks662 decks
24%synergy
Mycoloth
27%inclusion177 decks662 decks
22%synergy
Sephiroth, Fabled SOLDIER
26%inclusion82 decks320 decks
23%synergy
Smothering Abomination
25%inclusion164 decks662 decks
23%synergy
Delighted Halfling
24%inclusion162 decks662 decks
12%synergy
Witty Roastmaster
23%inclusion150 decks662 decks
22%synergy
Garna, Bloodfist of Keld
23%inclusion150 decks662 decks
21%synergy
Elvish Mystic
23%inclusion149 decks662 decks
14%synergy
Goblin Sharpshooter
22%inclusion147 decks662 decks
21%synergy
Juri, Master of the Revue
20%inclusion132 decks662 decks
7%synergy
Yawgmoth, Thran Physician
20%inclusion130 decks662 decks
14%synergy
Anger
19%inclusion128 decks662 decks
1%synergy
Dragon Broodmother
18%inclusion119 decks662 decks
16%synergy
Syr Konrad, the Grim
18%inclusion119 decks662 decks
7%synergy
Enduring Courage
18%inclusion95 decks530 decks
15%synergy
Elves of Deep Shadow
18%inclusion118 decks662 decks
9%synergy
Butcher of Malakir
17%inclusion115 decks662 decks
14%synergy
Deathrite Shaman
17%inclusion111 decks662 decks
6%synergy
Devilish Valet
16%inclusion107 decks662 decks
15%synergy
Lagomos, Hand of Hatred
16%inclusion105 decks662 decks
13%synergy
Beledros Witherbloom
15%inclusion102 decks662 decks
12%synergy
Xenagos, God of Revels
15%inclusion101 decks662 decks
9%synergy
Sprouting Thrinax
15%inclusion98 decks662 decks
11%synergy
Mazirek, Kraul Death Priest
15%inclusion97 decks662 decks
2%synergy
Molten Gatekeeper
14%inclusion86 decks610 decks
13%synergy
Solemn Simulacrum
13%inclusion87 decks662 decks
-1%synergy
Tendershoot Dryad
13%inclusion83 decks662 decks
9%synergy
Fyndhorn Elves
13%inclusion83 decks662 decks
7%synergy
Deathbringer Thoctar
12%inclusion82 decks662 decks
11%synergy
Wood Elves
12%inclusion82 decks662 decks
9%synergy
Reclamation Sage
12%inclusion81 decks662 decks
8%synergy
Ziatora, the Incinerator
12%inclusion78 decks662 decks
-3%synergy
Braids, Arisen Nightmare
11%inclusion70 decks662 decks
-7%synergy
Bloom Tender
10%inclusion69 decks662 decks
4%synergy
Ogre Battledriver
10%inclusion68 decks662 decks
10%synergy
Scute Swarm
10%inclusion68 decks662 decks
-2%synergy
Compy Swarm
10%inclusion65 decks662 decks
8%synergy
Instants
Beast Within
50%inclusion334 decks662 decks
10%synergy
Heroic Intervention
37%inclusion247 decks662 decks
11%synergy
Artifact Mutation
32%inclusion215 decks662 decks
27%synergy
Chaos Warp
30%inclusion199 decks662 decks
6%synergy
Dark Ritual
28%inclusion188 decks662 decks
15%synergy
Village Rites
27%inclusion179 decks662 decks
18%synergy
Deflecting Swat
26%inclusion170 decks662 decks
10%synergy
Terminate
25%inclusion164 decks662 decks
-3%synergy
Deadly Dispute
21%inclusion136 decks662 decks
6%synergy
Putrefy
19%inclusion128 decks662 decks
-3%synergy
Abrupt Decay
18%inclusion119 decks662 decks
6%synergy
Plumb the Forbidden
18%inclusion116 decks662 decks
16%synergy
Deadly Rollick
16%inclusion104 decks662 decks
3%synergy
Krosan Grip
14%inclusion95 decks662 decks
10%synergy
Second Harvest
14%inclusion93 decks662 decks
12%synergy
Chord of Calling
13%inclusion85 decks662 decks
11%synergy
Nature's Claim
11%inclusion75 decks662 decks
5%synergy
Tear Asunder
10%inclusion63 decks662 decks
-4%synergy
Return of the Wildspeaker
9.2%inclusion61 decks662 decks
3%synergy
Veil of Summer
8.8%inclusion58 decks662 decks
3%synergy
Pyroblast
8.6%inclusion57 decks662 decks
4%synergy
Red Elemental Blast
8.6%inclusion57 decks662 decks
4%synergy
Tragic Slip
8.3%inclusion55 decks662 decks
6%synergy
Crop Rotation
8.0%inclusion53 decks662 decks
-6%synergy
Fresh Meat
7.9%inclusion52 decks662 decks
7%synergy
Corrupted Conviction
7.9%inclusion52 decks662 decks
4%synergy
Bedevil
7.6%inclusion50 decks662 decks
1%synergy
Harrow
7.6%inclusion50 decks662 decks
-13%synergy
Tainted Strike
6.8%inclusion45 decks662 decks
5%synergy
Culling the Weak
6.6%inclusion44 decks662 decks
3%synergy
Fling
6.5%inclusion43 decks662 decks
1%synergy
Blood for the Blood God!
5.9%inclusion39 decks662 decks
5%synergy
Arachnogenesis
5.9%inclusion39 decks662 decks
3%synergy
Noxious Revival
5.9%inclusion39 decks662 decks
0%synergy
Fell the Profane
5.4%inclusion33 decks612 decks
-1%synergy
Revitalizing Repast
5.1%inclusion31 decks612 decks
-5%synergy
Sorceries
Cultivate
51%inclusion339 decks662 decks
10%synergy
Nature's Lore
51%inclusion336 decks662 decks
12%synergy
Three Visits
43%inclusion283 decks662 decks
18%synergy
Diabolic Intent
40%inclusion263 decks662 decks
31%synergy
Kodama's Reach
38%inclusion253 decks662 decks
15%synergy
Blasphemous Act
36%inclusion241 decks662 decks
-5%synergy
Toxic Deluge
30%inclusion197 decks662 decks
14%synergy
Rampant Growth
30%inclusion197 decks662 decks
-2%synergy
Tempt with Vengeance
18%inclusion121 decks662 decks
17%synergy
Skyshroud Claim
18%inclusion119 decks662 decks
8%synergy
Victimize
18%inclusion118 decks662 decks
-3%synergy
Damnation
17%inclusion110 decks662 decks
11%synergy
Song of Totentanz
16%inclusion106 decks662 decks
15%synergy
Blasphemous Edict
14%inclusion68 decks484 decks
8%synergy
Vandalblast
13%inclusion88 decks662 decks
4%synergy
Reanimate
12%inclusion78 decks662 decks
-11%synergy
Jeska's Will
12%inclusion77 decks662 decks
5%synergy
Bala Ged Recovery
11%inclusion74 decks662 decks
2%synergy
Shamanic Revelation
11%inclusion73 decks662 decks
9%synergy
Culling Ritual
11%inclusion72 decks662 decks
-1%synergy
Grim Tutor
10%inclusion69 decks662 decks
8%synergy
Finale of Devastation
10%inclusion68 decks662 decks
6%synergy
Green Sun's Zenith
9.2%inclusion61 decks662 decks
6%synergy
Crux of Fate
8.6%inclusion57 decks662 decks
6%synergy
Pest Infestation
8.2%inclusion54 decks662 decks
3%synergy
Chandra's Ignition
8.2%inclusion54 decks662 decks
-4%synergy
Diabolic Tutor
8.0%inclusion53 decks662 decks
5%synergy
Decimate
7.1%inclusion47 decks662 decks
1%synergy
Tooth and Nail
6.8%inclusion45 decks662 decks
6%synergy
Overwhelming Stampede
6.3%inclusion42 decks662 decks
5%synergy
Awaken the Woods
6.2%inclusion41 decks662 decks
4%synergy
Rishkar's Expertise
6.0%inclusion40 decks662 decks
-2%synergy
Hull Breach
5.7%inclusion38 decks662 decks
4%synergy
Torment of Hailfire
5.3%inclusion35 decks662 decks
0%synergy
Eldritch Evolution
5.3%inclusion35 decks662 decks
-1%synergy
Descent of the Dragons
5.1%inclusion34 decks662 decks
5%synergy
Imperial Seal
5.1%inclusion34 decks662 decks
2%synergy
Utility Artifacts
Lightning Greaves
41%inclusion270 decks662 decks
18%synergy
Swiftfoot Boots
25%inclusion164 decks662 decks
2%synergy
The One Ring
8.0%inclusion53 decks662 decks
3%synergy
Tarrian's Soulcleaver
7.4%inclusion49 decks662 decks
5%synergy
Sensei's Divining Top
6.8%inclusion45 decks662 decks
5%synergy
Coat of Arms
5.1%inclusion34 decks662 decks
5%synergy
Enchantments
Dictate of Erebos
48%inclusion316 decks662 decks
43%synergy
Bastion of Remembrance
47%inclusion313 decks662 decks
42%synergy
Moldervine Reclamation
44%inclusion293 decks662 decks
37%synergy
Cryptolith Rite
40%inclusion262 decks662 decks
38%synergy
Beastmaster Ascension
36%inclusion238 decks662 decks
33%synergy
Grave Pact
32%inclusion209 decks662 decks
28%synergy
The Meathook Massacre
29%inclusion194 decks662 decks
26%synergy
Sylvan Library
28%inclusion185 decks662 decks
20%synergy
Rhythm of the Wild
24%inclusion162 decks662 decks
6%synergy
Growing Rites of Itlimoc
22%inclusion147 decks662 decks
21%synergy
Awakening Zone
22%inclusion146 decks662 decks
18%synergy
Primal Vigor
21%inclusion136 decks662 decks
18%synergy
Insidious Roots
17%inclusion111 decks662 decks
13%synergy
Phyrexian Arena
17%inclusion110 decks662 decks
8%synergy
Bitterblossom
14%inclusion91 decks662 decks
11%synergy
Black Market Connections
11%inclusion76 decks662 decks
4%synergy
Shared Animosity
11%inclusion73 decks662 decks
10%synergy
Black Market
11%inclusion71 decks662 decks
9%synergy
Funeral Room // Awakening Hall
8.4%inclusion45 decks536 decks
7%synergy
Fires of Yavimaya
8.3%inclusion55 decks662 decks
6%synergy
Greater Good
8.3%inclusion55 decks662 decks
-4%synergy
Earthcraft
8.0%inclusion53 decks662 decks
8%synergy
Deathreap Ritual
5.9%inclusion39 decks662 decks
-2%synergy
City on Fire
5.6%inclusion37 decks662 decks
4%synergy
Planeswalkers
Xenagos, the Reveler
34%inclusion227 decks662 decks
33%synergy
Liliana, Dreadhorde General
18%inclusion119 decks662 decks
15%synergy
Tevesh Szat, Doom of Fools
6.3%inclusion42 decks662 decks
6%synergy
Sarkhan Vol
5.4%inclusion36 decks662 decks
5%synergy
Garruk Wildspeaker
5.1%inclusion34 decks662 decks
5%synergy
Utility Lands
Phyrexian Tower
51%inclusion336 decks662 decks
41%synergy
Kher Keep
49%inclusion325 decks662 decks
47%synergy
Urborg, Tomb of Yawgmoth
46%inclusion302 decks662 decks
27%synergy
Yavimaya, Cradle of Growth
41%inclusion274 decks662 decks
21%synergy
Bojuka Bog
33%inclusion217 decks662 decks
0%synergy
Reliquary Tower
32%inclusion210 decks662 decks
12%synergy
Kessig Wolf Run
31%inclusion204 decks662 decks
12%synergy
Boseiju, Who Endures
29%inclusion195 decks662 decks
10%synergy
Rogue's Passage
21%inclusion137 decks662 decks
6%synergy
Temple of the False God
17%inclusion115 decks662 decks
11%synergy
Westvale Abbey
15%inclusion100 decks662 decks
14%synergy
Cabal Coffers
14%inclusion95 decks662 decks
10%synergy
Khalni Garden
11%inclusion75 decks662 decks
10%synergy
Evendo, Waking Haven
10%inclusion25 decks258 decks
6%synergy
High Market
8.8%inclusion58 decks662 decks
5%synergy
Takenuma, Abandoned Mire
8.3%inclusion55 decks662 decks
-1%synergy
Dryad Arbor
8.2%inclusion54 decks662 decks
5%synergy
Grim Backwoods
7.1%inclusion47 decks662 decks
5%synergy
Sokenzan, Crucible of Defiance
6.5%inclusion43 decks662 decks
5%synergy
Three Tree City
6.4%inclusion37 decks581 decks
5%synergy
Urza's Saga
5.9%inclusion39 decks662 decks
1%synergy
Shifting Woodland
5.9%inclusion36 decks612 decks
-6%synergy
Shizo, Death's Storehouse
5.6%inclusion37 decks662 decks
4%synergy
Strip Mine
5.6%inclusion37 decks662 decks
-2%synergy
Arena of Glory
5.1%inclusion31 decks610 decks
1%synergy
Mana Artifacts
Sol Ring
92%inclusion606 decks662 decks
10%synergy
Arcane Signet
74%inclusion487 decks662 decks
4%synergy
Golgari Signet
16%inclusion106 decks662 decks
7%synergy
Chromatic Lantern
15%inclusion102 decks662 decks
9%synergy
Fellwar Stone
14%inclusion93 decks662 decks
2%synergy
Rakdos Signet
14%inclusion92 decks662 decks
5%synergy
Gruul Signet
14%inclusion92 decks662 decks
5%synergy
Talisman of Resilience
13%inclusion89 decks662 decks
-1%synergy
Talisman of Impulse
11%inclusion70 decks662 decks
-1%synergy
Talisman of Indulgence
11%inclusion70 decks662 decks
-1%synergy
Lotus Petal
8.2%inclusion54 decks662 decks
3%synergy
Chrome Mox
7.4%inclusion49 decks662 decks
3%synergy
Commander's Sphere
6.9%inclusion46 decks662 decks
-2%synergy
Lands
Command Tower
95%inclusion626 decks662 decks
4%synergy
Stomping Ground
79%inclusion523 decks662 decks
29%synergy
Overgrown Tomb
78%inclusion518 decks662 decks
31%synergy
Blood Crypt
77%inclusion508 decks662 decks
32%synergy
Ziatora's Proving Ground
68%inclusion447 decks662 decks
21%synergy
Bloodstained Mire
59%inclusion393 decks662 decks
22%synergy
Wooded Foothills
59%inclusion388 decks662 decks
22%synergy
Verdant Catacombs
57%inclusion376 decks662 decks
21%synergy
Dragonskull Summit
48%inclusion317 decks662 decks
15%synergy
Undergrowth Stadium
47%inclusion313 decks662 decks
18%synergy
Spire Garden
47%inclusion311 decks662 decks
20%synergy
Rootbound Crag
47%inclusion310 decks662 decks
15%synergy
Woodland Cemetery
46%inclusion305 decks662 decks
11%synergy
Luxury Suite
45%inclusion301 decks662 decks
19%synergy
Savage Lands
42%inclusion278 decks662 decks
-2%synergy
Exotic Orchard
39%inclusion260 decks662 decks
-9%synergy
Cinder Glade
32%inclusion214 decks662 decks
-18%synergy
Smoldering Marsh
28%inclusion187 decks662 decks
-18%synergy
Llanowar Wastes
25%inclusion166 decks662 decks
-3%synergy
Rockfall Vale
23%inclusion150 decks662 decks
1%synergy
Badlands
22%inclusion147 decks662 decks
10%synergy
Taiga
22%inclusion147 decks662 decks
10%synergy
Bayou
22%inclusion147 decks662 decks
10%synergy
City of Brass
19%inclusion123 decks662 decks
11%synergy
Deathcap Glade
18%inclusion120 decks662 decks
4%synergy
Haunted Ridge
18%inclusion118 decks662 decks
4%synergy
Karplusan Forest
18%inclusion117 decks662 decks
-6%synergy
Sulfurous Springs
17%inclusion113 decks662 decks
-5%synergy
Evolving Wilds
16%inclusion109 decks662 decks
-17%synergy
Underground Mortuary
16%inclusion103 decks662 decks
-1%synergy
Mana Confluence
15%inclusion96 decks662 decks
8%synergy
Fabled Passage
14%inclusion93 decks662 decks
-10%synergy
Commercial District
14%inclusion90 decks662 decks
-3%synergy
Windswept Heath
13%inclusion88 decks662 decks
2%synergy
Twilight Mire
13%inclusion88 decks662 decks
-1%synergy
Raucous Theater
13%inclusion88 decks662 decks
-2%synergy
Terramorphic Expanse
13%inclusion86 decks662 decks
-16%synergy
Reflecting Pool
12%inclusion79 decks662 decks
7%synergy
Golgari Rot Farm
12%inclusion78 decks662 decks
-2%synergy
Polluted Delta
11%inclusion75 decks662 decks
2%synergy
Misty Rainforest
11%inclusion74 decks662 decks
1%synergy
Arid Mesa
11%inclusion70 decks662 decks
1%synergy
Marsh Flats
11%inclusion70 decks662 decks
1%synergy
Twisted Landscape
10%inclusion63 decks610 decks
-14%synergy
Graven Cairns
8.8%inclusion58 decks662 decks
5%synergy
Blightstep Pathway
8.6%inclusion57 decks662 decks
4%synergy
Scalding Tarn
8.6%inclusion57 decks662 decks
0%synergy
Darkbore Pathway
8.5%inclusion56 decks662 decks
3%synergy
Thornspire Verge
8.0%inclusion43 decks536 decks
0%synergy
Temple of Malady
7.4%inclusion49 decks662 decks
-6%synergy