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%inclusion663 decks6.53K decks
New Cards
Ninja Teen
3.4%inclusion4 decks116 decks
3%synergy
Slash, Reptile Rampager
2.6%inclusion3 decks116 decks
2%synergy
South Wind Avatar
1.7%inclusion2 decks116 decks
1%synergy
Splinter's Technique
0.8%inclusion1 decks118 decks
0%synergy
High Synergy Cards
Purphoros, God of the Forge
78%inclusion514 decks663 decks
75%synergy
Ashnod's Altar
85%inclusion561 decks663 decks
74%synergy
Parallel Lives
79%inclusion522 decks663 decks
73%synergy
Impact Tremors
78%inclusion518 decks663 decks
72%synergy
Skullclamp
84%inclusion559 decks663 decks
70%synergy
Zulaport Cutthroat
77%inclusion510 decks663 decks
68%synergy
Goblin Bombardment
75%inclusion494 decks663 decks
65%synergy
Chatterfang, Squirrel General
73%inclusion484 decks663 decks
64%synergy
Blood Artist
72%inclusion480 decks663 decks
62%synergy
Food Chain
65%inclusion429 decks663 decks
62%synergy
Top Cards
Pitiless Plunderer
73%inclusion486 decks663 decks
60%synergy
Ignoble Hierarch
71%inclusion472 decks663 decks
15%synergy
Mayhem Devil
65%inclusion428 decks663 decks
38%synergy
Mirkwood Bats
64%inclusion427 decks663 decks
53%synergy
Birds of Paradise
63%inclusion420 decks663 decks
32%synergy
Korvold, Fae-Cursed King
63%inclusion415 decks663 decks
43%synergy
Fecundity
59%inclusion389 decks663 decks
56%synergy
Sakura-Tribe Elder
57%inclusion375 decks663 decks
25%synergy
Assassin's Trophy
55%inclusion366 decks663 decks
11%synergy
Farseek
55%inclusion365 decks663 decks
7%synergy
Game Changers
Demonic Tutor
48%inclusion317 decks663 decks
32%synergy
Vampiric Tutor
32%inclusion212 decks663 decks
20%synergy
Worldly Tutor
24%inclusion161 decks663 decks
15%synergy
Ancient Tomb
21%inclusion136 decks663 decks
13%synergy
Gaea's Cradle
15%inclusion101 decks663 decks
12%synergy
Mana Vault
13%inclusion84 decks663 decks
9%synergy
Jeska's Will
12%inclusion82 decks663 decks
6%synergy
Orcish Bowmasters
12%inclusion80 decks663 decks
6%synergy
Necropotence
7.8%inclusion52 decks663 decks
5%synergy
Bolas's Citadel
7.2%inclusion48 decks663 decks
5%synergy
Creatures
Eternal Witness
42%inclusion280 decks663 decks
17%synergy
Viscera Seer
42%inclusion278 decks663 decks
32%synergy
Warren Soultrader
41%inclusion265 decks643 decks
33%synergy
Avenger of Zendikar
39%inclusion257 decks663 decks
30%synergy
Mahadi, Emporium Master
39%inclusion257 decks663 decks
29%synergy
Endrek Sahr, Master Breeder
35%inclusion233 decks663 decks
34%synergy
Poison-Tip Archer
34%inclusion224 decks663 decks
31%synergy
Craterhoof Behemoth
33%inclusion221 decks663 decks
30%synergy
Agate Instigator
31%inclusion190 decks606 decks
30%synergy
Marionette Apprentice
31%inclusion201 decks643 decks
26%synergy
Enduring Vitality
29%inclusion162 decks559 decks
26%synergy
Ophiomancer
29%inclusion192 decks663 decks
26%synergy
Squee, the Immortal
29%inclusion192 decks663 decks
25%synergy
Llanowar Elves
29%inclusion191 decks663 decks
15%synergy
Sephiroth, Fabled SOLDIER
27%inclusion96 decks352 decks
24%synergy
Mycoloth
26%inclusion171 decks663 decks
21%synergy
Delighted Halfling
25%inclusion169 decks663 decks
13%synergy
Smothering Abomination
25%inclusion163 decks663 decks
23%synergy
Witty Roastmaster
22%inclusion148 decks663 decks
21%synergy
Garna, Bloodfist of Keld
22%inclusion146 decks663 decks
20%synergy
Goblin Sharpshooter
22%inclusion145 decks663 decks
21%synergy
Elvish Mystic
22%inclusion145 decks663 decks
13%synergy
Juri, Master of the Revue
21%inclusion136 decks663 decks
7%synergy
Anger
20%inclusion134 decks663 decks
2%synergy
Yawgmoth, Thran Physician
19%inclusion128 decks663 decks
14%synergy
Syr Konrad, the Grim
18%inclusion119 decks663 decks
8%synergy
Dragon Broodmother
18%inclusion117 decks663 decks
16%synergy
Butcher of Malakir
17%inclusion114 decks663 decks
14%synergy
Elves of Deep Shadow
17%inclusion114 decks663 decks
8%synergy
Enduring Courage
17%inclusion96 decks561 decks
14%synergy
Deathrite Shaman
16%inclusion107 decks663 decks
5%synergy
Devilish Valet
16%inclusion106 decks663 decks
15%synergy
Lagomos, Hand of Hatred
16%inclusion104 decks663 decks
13%synergy
Beledros Witherbloom
15%inclusion101 decks663 decks
12%synergy
Xenagos, God of Revels
15%inclusion98 decks663 decks
9%synergy
Sprouting Thrinax
15%inclusion97 decks663 decks
11%synergy
Molten Gatekeeper
14%inclusion90 decks641 decks
13%synergy
Mazirek, Kraul Death Priest
14%inclusion93 decks663 decks
1%synergy
Solemn Simulacrum
13%inclusion84 decks663 decks
-1%synergy
Fyndhorn Elves
13%inclusion83 decks663 decks
8%synergy
Hexing Squelcher
12%inclusion17 decks137 decks
3%synergy
Tendershoot Dryad
12%inclusion82 decks663 decks
8%synergy
Wood Elves
12%inclusion80 decks663 decks
8%synergy
Reclamation Sage
12%inclusion77 decks663 decks
7%synergy
Deathbringer Thoctar
11%inclusion75 decks663 decks
10%synergy
Ziatora, the Incinerator
11%inclusion75 decks663 decks
-3%synergy
Bloom Tender
11%inclusion74 decks663 decks
5%synergy
Braids, Arisen Nightmare
11%inclusion72 decks663 decks
-7%synergy
Ogre Battledriver
10%inclusion67 decks663 decks
9%synergy
Scute Swarm
10%inclusion65 decks663 decks
-2%synergy
Instants
Beast Within
50%inclusion330 decks663 decks
10%synergy
Heroic Intervention
38%inclusion250 decks663 decks
12%synergy
Artifact Mutation
31%inclusion208 decks663 decks
26%synergy
Chaos Warp
30%inclusion198 decks663 decks
7%synergy
Dark Ritual
29%inclusion194 decks663 decks
16%synergy
Village Rites
27%inclusion181 decks663 decks
19%synergy
Deflecting Swat
27%inclusion178 decks663 decks
11%synergy
Terminate
25%inclusion164 decks663 decks
-3%synergy
Deadly Dispute
21%inclusion140 decks663 decks
7%synergy
Putrefy
19%inclusion127 decks663 decks
-4%synergy
Abrupt Decay
18%inclusion117 decks663 decks
6%synergy
Plumb the Forbidden
17%inclusion114 decks663 decks
15%synergy
Deadly Rollick
16%inclusion106 decks663 decks
4%synergy
Krosan Grip
14%inclusion95 decks663 decks
10%synergy
Second Harvest
14%inclusion94 decks663 decks
12%synergy
Chord of Calling
12%inclusion81 decks663 decks
10%synergy
Nature's Claim
11%inclusion72 decks663 decks
5%synergy
Tear Asunder
9.4%inclusion62 decks663 decks
-4%synergy
Return of the Wildspeaker
9.2%inclusion61 decks663 decks
3%synergy
Pyroblast
9.0%inclusion60 decks663 decks
4%synergy
Veil of Summer
9.0%inclusion60 decks663 decks
3%synergy
Red Elemental Blast
8.9%inclusion59 decks663 decks
4%synergy
Tragic Slip
8.4%inclusion56 decks663 decks
6%synergy
Culling the Weak
8.0%inclusion53 decks663 decks
4%synergy
Corrupted Conviction
8.0%inclusion53 decks663 decks
4%synergy
Crop Rotation
7.5%inclusion50 decks663 decks
-7%synergy
Fresh Meat
7.4%inclusion49 decks663 decks
7%synergy
Bedevil
7.4%inclusion49 decks663 decks
1%synergy
Harrow
7.4%inclusion49 decks663 decks
-13%synergy
Tainted Strike
7.2%inclusion48 decks663 decks
6%synergy
Blood for the Blood God!
6.5%inclusion43 decks663 decks
6%synergy
Arachnogenesis
6.5%inclusion43 decks663 decks
3%synergy
Fling
6.2%inclusion41 decks663 decks
1%synergy
Noxious Revival
6.2%inclusion41 decks663 decks
0%synergy
Fell the Profane
5.1%inclusion33 decks643 decks
-1%synergy
Sorceries
Nature's Lore
52%inclusion346 decks663 decks
14%synergy
Cultivate
52%inclusion343 decks663 decks
11%synergy
Three Visits
44%inclusion292 decks663 decks
20%synergy
Diabolic Intent
40%inclusion266 decks663 decks
31%synergy
Kodama's Reach
39%inclusion256 decks663 decks
16%synergy
Blasphemous Act
36%inclusion236 decks663 decks
-5%synergy
Toxic Deluge
30%inclusion197 decks663 decks
14%synergy
Rampant Growth
29%inclusion193 decks663 decks
-2%synergy
Tempt with Vengeance
19%inclusion125 decks663 decks
17%synergy
Victimize
17%inclusion115 decks663 decks
-3%synergy
Skyshroud Claim
17%inclusion113 decks663 decks
7%synergy
Damnation
17%inclusion111 decks663 decks
11%synergy
Song of Totentanz
16%inclusion103 decks663 decks
14%synergy
Blasphemous Edict
14%inclusion74 decks515 decks
9%synergy
Vandalblast
14%inclusion90 decks663 decks
4%synergy
Reanimate
12%inclusion82 decks663 decks
-10%synergy
Finale of Devastation
11%inclusion75 decks663 decks
7%synergy
Culling Ritual
11%inclusion74 decks663 decks
0%synergy
Bala Ged Recovery
11%inclusion73 decks663 decks
2%synergy
Shamanic Revelation
11%inclusion70 decks663 decks
9%synergy
Grim Tutor
10%inclusion68 decks663 decks
8%synergy
Chandra's Ignition
9.4%inclusion62 decks663 decks
-3%synergy
Green Sun's Zenith
9.0%inclusion60 decks663 decks
5%synergy
Crux of Fate
8.3%inclusion55 decks663 decks
6%synergy
Diabolic Tutor
8.0%inclusion53 decks663 decks
5%synergy
Pest Infestation
7.7%inclusion51 decks663 decks
2%synergy
Decimate
6.9%inclusion46 decks663 decks
1%synergy
Tooth and Nail
6.5%inclusion43 decks663 decks
6%synergy
Overwhelming Stampede
6.3%inclusion42 decks663 decks
5%synergy
Awaken the Woods
6.3%inclusion42 decks663 decks
5%synergy
Rishkar's Expertise
6.3%inclusion42 decks663 decks
-1%synergy
Eldritch Evolution
5.7%inclusion38 decks663 decks
0%synergy
Hull Breach
5.4%inclusion36 decks663 decks
3%synergy
Descent of the Dragons
5.3%inclusion35 decks663 decks
5%synergy
Torment of Hailfire
5.3%inclusion35 decks663 decks
0%synergy
Triumph of the Hordes
5.1%inclusion34 decks663 decks
4%synergy
Utility Artifacts
Lightning Greaves
41%inclusion274 decks663 decks
18%synergy
Swiftfoot Boots
25%inclusion165 decks663 decks
3%synergy
The One Ring
8.4%inclusion56 decks663 decks
4%synergy
Tarrian's Soulcleaver
6.9%inclusion46 decks663 decks
5%synergy
Sensei's Divining Top
6.8%inclusion45 decks663 decks
5%synergy
Coat of Arms
5.3%inclusion35 decks663 decks
5%synergy
Enchantments
Dictate of Erebos
49%inclusion322 decks663 decks
44%synergy
Bastion of Remembrance
48%inclusion316 decks663 decks
43%synergy
Moldervine Reclamation
44%inclusion293 decks663 decks
37%synergy
Cryptolith Rite
40%inclusion265 decks663 decks
38%synergy
Beastmaster Ascension
36%inclusion236 decks663 decks
33%synergy
Grave Pact
31%inclusion208 decks663 decks
28%synergy
The Meathook Massacre
30%inclusion199 decks663 decks
26%synergy
Sylvan Library
27%inclusion181 decks663 decks
20%synergy
Rhythm of the Wild
25%inclusion165 decks663 decks
7%synergy
Awakening Zone
23%inclusion152 decks663 decks
19%synergy
Growing Rites of Itlimoc
22%inclusion146 decks663 decks
20%synergy
Primal Vigor
21%inclusion136 decks663 decks
18%synergy
Phyrexian Arena
16%inclusion107 decks663 decks
8%synergy
Insidious Roots
16%inclusion103 decks663 decks
12%synergy
Bitterblossom
15%inclusion97 decks663 decks
12%synergy
Black Market Connections
12%inclusion81 decks663 decks
5%synergy
Shared Animosity
11%inclusion74 decks663 decks
10%synergy
Black Market
11%inclusion72 decks663 decks
9%synergy
Springleaf Parade
10%inclusion14 decks137 decks
9%synergy
Earthcraft
8.1%inclusion54 decks663 decks
8%synergy
Fires of Yavimaya
8.1%inclusion54 decks663 decks
6%synergy
Greater Good
8.1%inclusion54 decks663 decks
-4%synergy
Funeral Room // Awakening Hall
8.1%inclusion46 decks567 decks
7%synergy
City on Fire
6.0%inclusion40 decks663 decks
4%synergy
Sothera, the Supervoid
5.3%inclusion17 decks321 decks
4%synergy
Deathreap Ritual
5.3%inclusion35 decks663 decks
-3%synergy
Grave Venerations
5.1%inclusion7 decks137 decks
-9%synergy
Planeswalkers
Xenagos, the Reveler
34%inclusion227 decks663 decks
33%synergy
Liliana, Dreadhorde General
17%inclusion116 decks663 decks
15%synergy
Tevesh Szat, Doom of Fools
6.0%inclusion40 decks663 decks
5%synergy
Sarkhan Vol
5.1%inclusion34 decks663 decks
5%synergy
Garruk Wildspeaker
5.1%inclusion34 decks663 decks
5%synergy
Utility Lands
Phyrexian Tower
52%inclusion342 decks663 decks
42%synergy
Kher Keep
49%inclusion325 decks663 decks
47%synergy
Urborg, Tomb of Yawgmoth
46%inclusion302 decks663 decks
28%synergy
Yavimaya, Cradle of Growth
41%inclusion273 decks663 decks
21%synergy
Bojuka Bog
32%inclusion214 decks663 decks
0%synergy
Reliquary Tower
32%inclusion212 decks663 decks
13%synergy
Kessig Wolf Run
31%inclusion208 decks663 decks
13%synergy
Boseiju, Who Endures
29%inclusion195 decks663 decks
10%synergy
Rogue's Passage
20%inclusion134 decks663 decks
6%synergy
Temple of the False God
17%inclusion110 decks663 decks
10%synergy
Westvale Abbey
15%inclusion97 decks663 decks
13%synergy
Cabal Coffers
14%inclusion91 decks663 decks
9%synergy
Field of the Dead
12%inclusion79 decks663 decks
4%synergy
Khalni Garden
11%inclusion73 decks663 decks
10%synergy
Evendo, Waking Haven
10%inclusion30 decks293 decks
7%synergy
High Market
8.7%inclusion58 decks663 decks
5%synergy
Dryad Arbor
7.7%inclusion51 decks663 decks
4%synergy
Takenuma, Abandoned Mire
7.7%inclusion51 decks663 decks
-2%synergy
Grim Backwoods
6.9%inclusion46 decks663 decks
5%synergy
Three Tree City
6.4%inclusion39 decks612 decks
5%synergy
Sokenzan, Crucible of Defiance
6.0%inclusion40 decks663 decks
4%synergy
Urza's Saga
5.9%inclusion39 decks663 decks
2%synergy
Shifting Woodland
5.8%inclusion37 decks643 decks
-6%synergy
Shizo, Death's Storehouse
5.6%inclusion37 decks663 decks
4%synergy
Strip Mine
5.4%inclusion36 decks663 decks
-2%synergy
Mana Artifacts
Sol Ring
92%inclusion610 decks663 decks
11%synergy
Arcane Signet
73%inclusion487 decks663 decks
4%synergy
Chromatic Lantern
16%inclusion105 decks663 decks
10%synergy
Golgari Signet
15%inclusion102 decks663 decks
6%synergy
Fellwar Stone
15%inclusion97 decks663 decks
2%synergy
Talisman of Resilience
14%inclusion94 decks663 decks
0%synergy
Gruul Signet
13%inclusion88 decks663 decks
5%synergy
Rakdos Signet
13%inclusion87 decks663 decks
5%synergy
Talisman of Impulse
11%inclusion76 decks663 decks
0%synergy
Talisman of Indulgence
11%inclusion76 decks663 decks
0%synergy
Lotus Petal
8.6%inclusion57 decks663 decks
3%synergy
Chrome Mox
7.5%inclusion50 decks663 decks
4%synergy
Commander's Sphere
6.8%inclusion45 decks663 decks
-2%synergy
Lands
Command Tower
95%inclusion628 decks663 decks
4%synergy
Stomping Ground
80%inclusion529 decks663 decks
30%synergy
Overgrown Tomb
79%inclusion524 decks663 decks
31%synergy
Blood Crypt
78%inclusion514 decks663 decks
32%synergy
Ziatora's Proving Ground
68%inclusion449 decks663 decks
22%synergy
Bloodstained Mire
60%inclusion398 decks663 decks
23%synergy
Wooded Foothills
59%inclusion393 decks663 decks
22%synergy
Verdant Catacombs
57%inclusion377 decks663 decks
22%synergy
Undergrowth Stadium
48%inclusion321 decks663 decks
19%synergy
Spire Garden
48%inclusion317 decks663 decks
21%synergy
Dragonskull Summit
48%inclusion315 decks663 decks
14%synergy
Rootbound Crag
47%inclusion311 decks663 decks
15%synergy
Luxury Suite
47%inclusion309 decks663 decks
21%synergy
Woodland Cemetery
47%inclusion309 decks663 decks
11%synergy
Savage Lands
41%inclusion273 decks663 decks
-3%synergy
Exotic Orchard
39%inclusion257 decks663 decks
-9%synergy
Cinder Glade
32%inclusion211 decks663 decks
-19%synergy
Smoldering Marsh
28%inclusion188 decks663 decks
-19%synergy
Llanowar Wastes
26%inclusion174 decks663 decks
-2%synergy
Rockfall Vale
24%inclusion156 decks663 decks
2%synergy
Badlands
23%inclusion154 decks663 decks
11%synergy
Bayou
23%inclusion154 decks663 decks
11%synergy
Taiga
23%inclusion153 decks663 decks
11%synergy
City of Brass
19%inclusion127 decks663 decks
12%synergy
Deathcap Glade
19%inclusion126 decks663 decks
5%synergy
Karplusan Forest
19%inclusion125 decks663 decks
-5%synergy
Haunted Ridge
19%inclusion124 decks663 decks
5%synergy
Sulfurous Springs
17%inclusion114 decks663 decks
-5%synergy
Underground Mortuary
16%inclusion108 decks663 decks
0%synergy
Evolving Wilds
16%inclusion107 decks663 decks
-18%synergy
Mana Confluence
15%inclusion102 decks663 decks
9%synergy
Fabled Passage
15%inclusion100 decks663 decks
-9%synergy
Commercial District
14%inclusion93 decks663 decks
-2%synergy
Raucous Theater
13%inclusion89 decks663 decks
-2%synergy
Windswept Heath
13%inclusion88 decks663 decks
2%synergy
Reflecting Pool
13%inclusion86 decks663 decks
8%synergy
Twilight Mire
13%inclusion86 decks663 decks
-2%synergy
Terramorphic Expanse
12%inclusion81 decks663 decks
-17%synergy
Misty Rainforest
11%inclusion76 decks663 decks
2%synergy
Polluted Delta
11%inclusion75 decks663 decks
2%synergy
Golgari Rot Farm
11%inclusion75 decks663 decks
-3%synergy
Arid Mesa
11%inclusion71 decks663 decks
2%synergy
Marsh Flats
11%inclusion71 decks663 decks
1%synergy
Twisted Landscape
10%inclusion63 decks641 decks
-14%synergy
Graven Cairns
9.0%inclusion60 decks663 decks
5%synergy
Scalding Tarn
8.6%inclusion57 decks663 decks
1%synergy
Darkbore Pathway
8.0%inclusion53 decks663 decks
3%synergy
Blightstep Pathway
7.8%inclusion52 decks663 decks
3%synergy
Thornspire Verge
7.8%inclusion44 decks567 decks
0%synergy
Fire-Lit Thicket
7.4%inclusion49 decks663 decks
4%synergy