Phyrexian Altar
Doubling Season
Prossh, Skyraider of Kher

   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
Bloodline Recollector
0.9%inclusion1 decks114 decks
1%synergy
Smaug the Magnificent
0.9%inclusion1 decks114 decks
0%synergy
High Synergy Cards
Purphoros, God of the Forge
78%inclusion549 decks706 decks
75%synergy
Ashnod's Altar
85%inclusion599 decks706 decks
75%synergy
Parallel Lives
78%inclusion550 decks706 decks
73%synergy
Impact Tremors
78%inclusion552 decks706 decks
72%synergy
Skullclamp
84%inclusion592 decks706 decks
70%synergy
Zulaport Cutthroat
77%inclusion541 decks706 decks
67%synergy
Chatterfang, Squirrel General
72%inclusion511 decks706 decks
64%synergy
Goblin Bombardment
73%inclusion516 decks706 decks
63%synergy
Blood Artist
72%inclusion510 decks706 decks
62%synergy
Food Chain
65%inclusion456 decks706 decks
62%synergy
Top Cards
Pitiless Plunderer
74%inclusion520 decks706 decks
61%synergy
Ignoble Hierarch
70%inclusion497 decks706 decks
14%synergy
Mayhem Devil
65%inclusion456 decks706 decks
38%synergy
Korvold, Fae-Cursed King
64%inclusion455 decks706 decks
43%synergy
Mirkwood Bats
63%inclusion448 decks706 decks
52%synergy
Birds of Paradise
63%inclusion445 decks706 decks
32%synergy
Fecundity
58%inclusion412 decks706 decks
56%synergy
Assassin's Trophy
56%inclusion392 decks706 decks
11%synergy
Farseek
55%inclusion387 decks706 decks
6%synergy
Sakura-Tribe Elder
54%inclusion383 decks706 decks
24%synergy
Game Changers
Demonic Tutor
48%inclusion336 decks706 decks
32%synergy
Vampiric Tutor
31%inclusion222 decks706 decks
20%synergy
Worldly Tutor
23%inclusion162 decks706 decks
13%synergy
Ancient Tomb
22%inclusion152 decks706 decks
14%synergy
Gaea's Cradle
15%inclusion109 decks706 decks
12%synergy
Jeska's Will
13%inclusion91 decks706 decks
6%synergy
Mana Vault
13%inclusion89 decks706 decks
9%synergy
Orcish Bowmasters
12%inclusion82 decks706 decks
6%synergy
The One Ring
10%inclusion68 decks706 decks
5%synergy
Necropotence
7.9%inclusion56 decks706 decks
5%synergy
Creatures
Warren Soultrader
42%inclusion298 decks706 decks
34%synergy
Viscera Seer
42%inclusion294 decks706 decks
32%synergy
Eternal Witness
41%inclusion289 decks706 decks
17%synergy
Mahadi, Emporium Master
40%inclusion282 decks706 decks
31%synergy
Avenger of Zendikar
37%inclusion261 decks706 decks
29%synergy
Endrek Sahr, Master Breeder
35%inclusion249 decks706 decks
34%synergy
Craterhoof Behemoth
34%inclusion241 decks706 decks
31%synergy
Agate Instigator
33%inclusion231 decks692 decks
32%synergy
Marionette Apprentice
33%inclusion232 decks706 decks
28%synergy
Poison-Tip Archer
33%inclusion230 decks706 decks
30%synergy
Enduring Vitality
30%inclusion194 decks645 decks
28%synergy
Ophiomancer
30%inclusion210 decks706 decks
26%synergy
Llanowar Elves
29%inclusion205 decks706 decks
15%synergy
Squee, the Immortal
29%inclusion203 decks706 decks
25%synergy
Sephiroth, Fabled SOLDIER
28%inclusion122 decks443 decks
25%synergy
Mycoloth
26%inclusion183 decks706 decks
22%synergy
Delighted Halfling
25%inclusion179 decks706 decks
13%synergy
Smothering Abomination
24%inclusion172 decks706 decks
23%synergy
Elvish Mystic
22%inclusion157 decks706 decks
14%synergy
Garna, Bloodfist of Keld
22%inclusion156 decks706 decks
20%synergy
Witty Roastmaster
22%inclusion155 decks706 decks
21%synergy
Goblin Sharpshooter
22%inclusion152 decks706 decks
20%synergy
Juri, Master of the Revue
21%inclusion146 decks706 decks
7%synergy
Anger
19%inclusion136 decks706 decks
2%synergy
Yawgmoth, Thran Physician
19%inclusion134 decks706 decks
13%synergy
Dragon Broodmother
18%inclusion128 decks706 decks
16%synergy
Devilish Valet
17%inclusion123 decks706 decks
17%synergy
Elves of Deep Shadow
17%inclusion121 decks706 decks
8%synergy
Butcher of Malakir
16%inclusion114 decks706 decks
13%synergy
Syr Konrad, the Grim
16%inclusion114 decks706 decks
6%synergy
Enduring Courage
16%inclusion104 decks647 decks
13%synergy
Deathrite Shaman
16%inclusion112 decks706 decks
6%synergy
Molten Gatekeeper
15%inclusion108 decks706 decks
15%synergy
Beledros Witherbloom
15%inclusion107 decks706 decks
12%synergy
Lagomos, Hand of Hatred
14%inclusion102 decks706 decks
12%synergy
Sprouting Thrinax
14%inclusion101 decks706 decks
11%synergy
Mazirek, Kraul Death Priest
14%inclusion99 decks706 decks
-0%synergy
Xenagos, God of Revels
14%inclusion98 decks706 decks
8%synergy
Tendershoot Dryad
12%inclusion88 decks706 decks
8%synergy
Ziatora, the Incinerator
12%inclusion86 decks706 decks
-1%synergy
Bloom Tender
12%inclusion83 decks706 decks
5%synergy
Solemn Simulacrum
12%inclusion83 decks706 decks
-1%synergy
Fyndhorn Elves
12%inclusion82 decks706 decks
7%synergy
Braids, Arisen Nightmare
11%inclusion81 decks706 decks
-7%synergy
Arnyn, Deathbloom Botanist
11%inclusion15 decks132 decks
10%synergy
Hexing Squelcher
11%inclusion28 decks248 decks
3%synergy
Wood Elves
11%inclusion77 decks706 decks
8%synergy
Reclamation Sage
11%inclusion76 decks706 decks
7%synergy
Deathbringer Thoctar
10%inclusion73 decks706 decks
9%synergy
Scute Swarm
9.5%inclusion67 decks706 decks
-3%synergy
Instants
Beast Within
50%inclusion350 decks706 decks
10%synergy
Heroic Intervention
39%inclusion272 decks706 decks
13%synergy
Artifact Mutation
32%inclusion229 decks706 decks
27%synergy
Dark Ritual
31%inclusion220 decks706 decks
18%synergy
Chaos Warp
29%inclusion204 decks706 decks
7%synergy
Deflecting Swat
27%inclusion190 decks706 decks
11%synergy
Village Rites
26%inclusion184 decks706 decks
18%synergy
Terminate
25%inclusion178 decks706 decks
-3%synergy
Deadly Dispute
22%inclusion157 decks706 decks
9%synergy
Putrefy
20%inclusion138 decks706 decks
-4%synergy
Plumb the Forbidden
18%inclusion125 decks706 decks
16%synergy
Abrupt Decay
18%inclusion125 decks706 decks
6%synergy
Deadly Rollick
17%inclusion122 decks706 decks
5%synergy
Krosan Grip
13%inclusion94 decks706 decks
9%synergy
Second Harvest
13%inclusion92 decks706 decks
11%synergy
Chord of Calling
12%inclusion88 decks706 decks
10%synergy
Nature's Claim
10%inclusion68 decks706 decks
4%synergy
Veil of Summer
9.5%inclusion67 decks706 decks
4%synergy
Return of the Wildspeaker
9.2%inclusion65 decks706 decks
3%synergy
Tear Asunder
9.1%inclusion64 decks706 decks
-5%synergy
Culling the Weak
8.9%inclusion63 decks706 decks
5%synergy
Red Elemental Blast
8.9%inclusion63 decks706 decks
4%synergy
Pyroblast
8.8%inclusion62 decks706 decks
4%synergy
Corrupted Conviction
8.5%inclusion60 decks706 decks
5%synergy
Tragic Slip
7.8%inclusion55 decks706 decks
6%synergy
Fresh Meat
7.5%inclusion53 decks706 decks
7%synergy
Harrow
7.5%inclusion53 decks706 decks
-13%synergy
Tainted Strike
7.4%inclusion52 decks706 decks
6%synergy
Bedevil
7.1%inclusion50 decks706 decks
1%synergy
Crop Rotation
7.1%inclusion50 decks706 decks
-7%synergy
Arachnogenesis
6.9%inclusion49 decks706 decks
4%synergy
Fling
6.7%inclusion47 decks706 decks
1%synergy
Noxious Revival
6.7%inclusion47 decks706 decks
1%synergy
Blood for the Blood God!
6.5%inclusion46 decks706 decks
6%synergy
Body Count
5.4%inclusion38 decks706 decks
5%synergy
Rakdos Charm
5.2%inclusion37 decks706 decks
-10%synergy
Fell the Profane
5.1%inclusion36 decks706 decks
-1%synergy
Sorceries
Nature's Lore
52%inclusion368 decks706 decks
13%synergy
Cultivate
51%inclusion363 decks706 decks
11%synergy
Three Visits
43%inclusion305 decks706 decks
19%synergy
Diabolic Intent
39%inclusion277 decks706 decks
31%synergy
Kodama's Reach
39%inclusion274 decks706 decks
17%synergy
Blasphemous Act
35%inclusion248 decks706 decks
-6%synergy
Toxic Deluge
30%inclusion211 decks706 decks
14%synergy
Rampant Growth
29%inclusion204 decks706 decks
-2%synergy
Tempt with Vengeance
20%inclusion139 decks706 decks
18%synergy
Victimize
17%inclusion122 decks706 decks
-2%synergy
Skyshroud Claim
17%inclusion117 decks706 decks
6%synergy
Damnation
16%inclusion110 decks706 decks
10%synergy
Song of Totentanz
15%inclusion107 decks706 decks
14%synergy
Blasphemous Edict
14%inclusion82 decks603 decks
8%synergy
Immoral Bargain
13%inclusion19 decks143 decks
12%synergy
Vandalblast
13%inclusion89 decks706 decks
4%synergy
Culling Ritual
12%inclusion88 decks706 decks
1%synergy
Reanimate
12%inclusion82 decks706 decks
-11%synergy
Finale of Devastation
11%inclusion80 decks706 decks
7%synergy
Bala Ged Recovery
11%inclusion78 decks706 decks
2%synergy
Shamanic Revelation
10%inclusion71 decks706 decks
9%synergy
Grim Tutor
10%inclusion69 decks706 decks
8%synergy
Green Sun's Zenith
10%inclusion68 decks706 decks
6%synergy
Chandra's Ignition
9.5%inclusion67 decks706 decks
-3%synergy
Crux of Fate
8.4%inclusion59 decks706 decks
6%synergy
Pest Infestation
8.1%inclusion57 decks706 decks
2%synergy
Diabolic Tutor
7.4%inclusion52 decks706 decks
4%synergy
Decimate
6.8%inclusion48 decks706 decks
1%synergy
Overwhelming Stampede
6.4%inclusion45 decks706 decks
5%synergy
Rishkar's Expertise
6.2%inclusion44 decks706 decks
-1%synergy
Awaken the Woods
6.1%inclusion43 decks706 decks
4%synergy
Eldritch Evolution
6.1%inclusion43 decks706 decks
0%synergy
Descent of the Dragons
5.8%inclusion41 decks706 decks
5%synergy
Tooth and Nail
5.8%inclusion41 decks706 decks
5%synergy
Torment of Hailfire
5.5%inclusion39 decks706 decks
0%synergy
Triumph of the Hordes
5.1%inclusion36 decks706 decks
4%synergy
Utility Artifacts
Lightning Greaves
41%inclusion292 decks706 decks
19%synergy
Cauldron of Essence
35%inclusion47 decks133 decks
27%synergy
Swiftfoot Boots
25%inclusion178 decks706 decks
3%synergy
Bolas's Citadel
7.2%inclusion51 decks706 decks
5%synergy
Sensei's Divining Top
6.8%inclusion48 decks706 decks
5%synergy
Tarrian's Soulcleaver
6.7%inclusion47 decks706 decks
5%synergy
Enchantments
Bastion of Remembrance
48%inclusion339 decks706 decks
43%synergy
Dictate of Erebos
48%inclusion337 decks706 decks
43%synergy
Moldervine Reclamation
43%inclusion305 decks706 decks
36%synergy
Cryptolith Rite
42%inclusion295 decks706 decks
40%synergy
Beastmaster Ascension
35%inclusion246 decks706 decks
32%synergy
Grave Pact
31%inclusion222 decks706 decks
28%synergy
The Meathook Massacre
30%inclusion211 decks706 decks
26%synergy
Sylvan Library
27%inclusion192 decks706 decks
20%synergy
Rhythm of the Wild
25%inclusion178 decks706 decks
8%synergy
Awakening Zone
23%inclusion164 decks706 decks
19%synergy
Growing Rites of Itlimoc
22%inclusion152 decks706 decks
20%synergy
Primal Vigor
20%inclusion139 decks706 decks
17%synergy
Phyrexian Arena
16%inclusion113 decks706 decks
8%synergy
Bitterblossom
15%inclusion104 decks706 decks
12%synergy
Insidious Roots
14%inclusion101 decks706 decks
11%synergy
Springleaf Parade
13%inclusion31 decks248 decks
12%synergy
Black Market Connections
12%inclusion87 decks706 decks
5%synergy
Shared Animosity
11%inclusion77 decks706 decks
10%synergy
Black Market
11%inclusion76 decks706 decks
9%synergy
Fires of Yavimaya
8.6%inclusion61 decks706 decks
7%synergy
Greater Good
7.6%inclusion54 decks706 decks
-5%synergy
Earthcraft
7.5%inclusion53 decks706 decks
7%synergy
Funeral Room // Awakening Hall
7.2%inclusion47 decks653 decks
6%synergy
City on Fire
5.8%inclusion41 decks706 decks
4%synergy
Deathreap Ritual
5.2%inclusion37 decks706 decks
-3%synergy
Planeswalkers
Xenagos, the Reveler
35%inclusion249 decks706 decks
34%synergy
Liliana, Dreadhorde General
18%inclusion128 decks706 decks
16%synergy
Tevesh Szat, Doom of Fools
5.1%inclusion36 decks706 decks
5%synergy
Artifacts
Sol Ring
92%inclusion647 decks706 decks
10%synergy
Arcane Signet
74%inclusion521 decks706 decks
4%synergy
Lightning Greaves
41%inclusion292 decks706 decks
19%synergy
Cauldron of Essence
35%inclusion47 decks133 decks
27%synergy
Swiftfoot Boots
25%inclusion178 decks706 decks
3%synergy
Talisman of Resilience
15%inclusion109 decks706 decks
2%synergy
Chromatic Lantern
15%inclusion106 decks706 decks
9%synergy
Golgari Signet
15%inclusion104 decks706 decks
6%synergy
Fellwar Stone
14%inclusion99 decks706 decks
2%synergy
Rakdos Signet
13%inclusion89 decks706 decks
5%synergy
Gruul Signet
13%inclusion89 decks706 decks
5%synergy
Talisman of Impulse
12%inclusion84 decks706 decks
1%synergy
Talisman of Indulgence
12%inclusion83 decks706 decks
0%synergy
Lotus Petal
8.9%inclusion63 decks706 decks
4%synergy
Chrome Mox
7.4%inclusion52 decks706 decks
3%synergy
Bolas's Citadel
7.2%inclusion51 decks706 decks
5%synergy
Sensei's Divining Top
6.8%inclusion48 decks706 decks
5%synergy
Tarrian's Soulcleaver
6.7%inclusion47 decks706 decks
5%synergy
Commander's Sphere
6.4%inclusion45 decks706 decks
-3%synergy
Utility Lands
Phyrexian Tower
52%inclusion364 decks706 decks
42%synergy
Kher Keep
51%inclusion357 decks706 decks
48%synergy
Urborg, Tomb of Yawgmoth
45%inclusion317 decks706 decks
27%synergy
Yavimaya, Cradle of Growth
40%inclusion280 decks706 decks
19%synergy
Bojuka Bog
32%inclusion227 decks706 decks
-1%synergy
Kessig Wolf Run
31%inclusion219 decks706 decks
13%synergy
Reliquary Tower
30%inclusion215 decks706 decks
11%synergy
Boseiju, Who Endures
29%inclusion202 decks706 decks
10%synergy
Rogue's Passage
21%inclusion146 decks706 decks
7%synergy
Temple of the False God
17%inclusion118 decks706 decks
11%synergy
Westvale Abbey
15%inclusion106 decks706 decks
14%synergy
Cabal Coffers
13%inclusion91 decks706 decks
9%synergy
Khalni Garden
11%inclusion77 decks706 decks
10%synergy
Field of the Dead
11%inclusion75 decks706 decks
3%synergy
Evendo, Waking Haven
10%inclusion39 decks390 decks
7%synergy
High Market
8.5%inclusion60 decks706 decks
5%synergy
Dryad Arbor
8.1%inclusion57 decks706 decks
4%synergy
Takenuma, Abandoned Mire
6.9%inclusion49 decks706 decks
-2%synergy
Grim Backwoods
6.7%inclusion47 decks706 decks
5%synergy
Urza's Saga
6.2%inclusion44 decks706 decks
2%synergy
Three Tree City
6.2%inclusion43 decks698 decks
5%synergy
Strip Mine
5.7%inclusion40 decks706 decks
-2%synergy
Sokenzan, Crucible of Defiance
5.5%inclusion39 decks706 decks
4%synergy
Shifting Woodland
5.4%inclusion38 decks706 decks
-6%synergy
Shizo, Death's Storehouse
5.1%inclusion36 decks706 decks
3%synergy
Mana Artifacts
Sol Ring
92%inclusion647 decks706 decks
10%synergy
Arcane Signet
74%inclusion521 decks706 decks
4%synergy
Talisman of Resilience
15%inclusion109 decks706 decks
2%synergy
Chromatic Lantern
15%inclusion106 decks706 decks
9%synergy
Golgari Signet
15%inclusion104 decks706 decks
6%synergy
Fellwar Stone
14%inclusion99 decks706 decks
2%synergy
Rakdos Signet
13%inclusion89 decks706 decks
5%synergy
Gruul Signet
13%inclusion89 decks706 decks
5%synergy
Talisman of Impulse
12%inclusion84 decks706 decks
1%synergy
Talisman of Indulgence
12%inclusion83 decks706 decks
0%synergy
Lotus Petal
8.9%inclusion63 decks706 decks
4%synergy
Chrome Mox
7.4%inclusion52 decks706 decks
3%synergy
Commander's Sphere
6.4%inclusion45 decks706 decks
-3%synergy
Lands
Command Tower
95%inclusion670 decks706 decks
4%synergy
Stomping Ground
80%inclusion567 decks706 decks
31%synergy
Overgrown Tomb
80%inclusion565 decks706 decks
32%synergy
Blood Crypt
78%inclusion554 decks706 decks
33%synergy
Ziatora's Proving Ground
68%inclusion483 decks706 decks
24%synergy
Bloodstained Mire
60%inclusion427 decks706 decks
23%synergy
Wooded Foothills
59%inclusion419 decks706 decks
22%synergy
Verdant Catacombs
56%inclusion395 decks706 decks
21%synergy
Undergrowth Stadium
49%inclusion345 decks706 decks
20%synergy
Dragonskull Summit
48%inclusion340 decks706 decks
14%synergy
Rootbound Crag
48%inclusion339 decks706 decks
15%synergy
Spire Garden
48%inclusion337 decks706 decks
21%synergy
Woodland Cemetery
47%inclusion329 decks706 decks
10%synergy
Luxury Suite
46%inclusion326 decks706 decks
21%synergy
Savage Lands
41%inclusion289 decks706 decks
-2%synergy
Exotic Orchard
39%inclusion273 decks706 decks
-9%synergy
Cinder Glade
31%inclusion219 decks706 decks
-20%synergy
Smoldering Marsh
29%inclusion205 decks706 decks
-19%synergy
Llanowar Wastes
28%inclusion196 decks706 decks
-2%synergy
Bayou
24%inclusion172 decks706 decks
12%synergy
Badlands
24%inclusion171 decks706 decks
12%synergy
Taiga
24%inclusion171 decks706 decks
12%synergy
Rockfall Vale
24%inclusion167 decks706 decks
2%synergy
Karplusan Forest
20%inclusion142 decks706 decks
-5%synergy
Deathcap Glade
19%inclusion135 decks706 decks
4%synergy
City of Brass
19%inclusion134 decks706 decks
12%synergy
Haunted Ridge
19%inclusion132 decks706 decks
5%synergy
Sulfurous Springs
19%inclusion132 decks706 decks
-5%synergy
Underground Mortuary
16%inclusion112 decks706 decks
-1%synergy
Mana Confluence
16%inclusion111 decks706 decks
9%synergy
Evolving Wilds
16%inclusion111 decks706 decks
-19%synergy
Fabled Passage
14%inclusion100 decks706 decks
-11%synergy
Commercial District
14%inclusion96 decks706 decks
-3%synergy
Raucous Theater
13%inclusion93 decks706 decks
-2%synergy
Twilight Mire
13%inclusion90 decks706 decks
-3%synergy
Windswept Heath
13%inclusion89 decks706 decks
2%synergy
Reflecting Pool
12%inclusion87 decks706 decks
8%synergy
Terramorphic Expanse
12%inclusion85 decks706 decks
-17%synergy
Golgari Rot Farm
11%inclusion81 decks706 decks
-3%synergy
Polluted Delta
11%inclusion76 decks706 decks
2%synergy
Misty Rainforest
11%inclusion76 decks706 decks
1%synergy
Marsh Flats
10%inclusion68 decks706 decks
0%synergy
Twisted Landscape
10%inclusion68 decks706 decks
-13%synergy
Arid Mesa
9.5%inclusion67 decks706 decks
1%synergy
Graven Cairns
8.6%inclusion61 decks706 decks
4%synergy
Darkbore Pathway
8.5%inclusion60 decks706 decks
4%synergy
Blightstep Pathway
7.8%inclusion55 decks706 decks
3%synergy
Scalding Tarn
7.8%inclusion55 decks706 decks
-0%synergy
Fire-Lit Thicket
7.5%inclusion53 decks706 decks
4%synergy
Temple of Malady
7.5%inclusion53 decks706 decks
-5%synergy