Phyrexian Altar + Doubling Season
Phyrexian Altar
Doubling Season
Requires
Prossh, Skyraider of Kher must be in the command zone.
Phyrexian Altar must be on the battlefield.
Doubling Season must be on the battlefield.
Prossh, Skyraider of Kher must be your commander.
Mana needed: 
plus enough mana to pay for commander tax, if applicable
plus enough mana to pay for commander tax, if applicable
Steps
- Cast Prossh from the command zone by paying and commander tax, if applicable.
- 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.
- Activate Phyrexian Altar three times by sacrificing Prossh and two Kobolds, adding .
- Choose to return Prossh to the command zone from your graveyard.
- Activate Phyrexian Altar by sacrificing a Kobold, adding
. - Repeat step 5 until you have enough mana to cast Prossh.
- Repeat from step 1.
Results
Infinite colored mana. Infinite commander casts. Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.
Prossh, Skyraider of Kher
10.55% of 5192 decks
548 decks
New Cards
Blasphemous Edict
87% of 15 decks
+49% synergy
Enduring Vitality
78% of 58 decks
+70% synergy
Enduring Courage
53% of 64 decks
+41% synergy
Funeral Room // Awakening Hall
25% of 76 decks
+22% synergy
Wriggling Grub
19% of 16 decks
+18% synergy
High Synergy Cards
Purphoros, God of the Forge
81% of 548 decks
+77% synergy
Impact Tremors
83% of 546 decks
+75% synergy
Parallel Lives
81% of 548 decks
+74% synergy
Ashnod's Altar
89% of 548 decks
+73% synergy
Zulaport Cutthroat
78% of 546 decks
+66% synergy
Chatterfang, Squirrel General
76% of 532 decks
+65% synergy
Skullclamp
83% of 548 decks
+65% synergy
Goblin Bombardment
77% of 548 decks
+63% synergy
Mirkwood Bats
79% of 374 decks
+61% synergy
Blood Artist
72% of 548 decks
+60% synergy
Top Cards
Pitiless Plunderer
76% of 543 decks
+60% synergy
Ignoble Hierarch
69% of 532 decks
+13% synergy
Food Chain
64% of 548 decks
+59% synergy
Mayhem Devil
64% of 541 decks
+39% synergy
Agate Instigator
62% of 107 decks
+58% synergy
Birds of Paradise
62% of 548 decks
+27% synergy
Korvold, Fae-Cursed King
59% of 540 decks
+48% synergy
Assassin's Trophy
58% of 542 decks
+17% synergy
Sakura-Tribe Elder
56% of 548 decks
+16% synergy
Cultivate
54% of 548 decks
+11% synergy
Creatures
Warren Soultrader
53% of 171 decks
+42% synergy
Marionette Apprentice
49% of 171 decks
+41% synergy
Eternal Witness
45% of 548 decks
+13% synergy
Mahadi, Emporium Master
45% of 496 decks
+31% synergy
Viscera Seer
43% of 548 decks
+27% synergy
Avenger of Zendikar
38% of 548 decks
+25% synergy
Craterhoof Behemoth
38% of 548 decks
+35% synergy
Poison-Tip Archer
38% of 542 decks
+33% synergy
Endrek Sahr, Master Breeder
32% of 548 decks
+30% synergy
Delighted Halfling
32% of 388 decks
+17% synergy
Garna, Bloodfist of Keld
31% of 483 decks
+28% synergy
Gluttonous Hellkite
30% of 125 decks
+16% synergy
Compy Swarm
29% of 268 decks
+27% synergy
Smothering Abomination
29% of 546 decks
+26% synergy
Llanowar Elves
29% of 548 decks
+13% synergy
Witty Roastmaster
29% of 519 decks
+27% synergy
Molten Gatekeeper
28% of 141 decks
+26% synergy
Ophiomancer
27% of 548 decks
+25% synergy
Mycoloth
27% of 548 decks
+22% synergy
Squee, the Immortal
25% of 542 decks
+18% synergy
Dockside Extortionist
24% of 540 decks
+10% synergy
Yawgmoth, Thran Physician
23% of 540 decks
+20% synergy
Goblin Sharpshooter
22% of 548 decks
+21% synergy
Elvish Mystic
22% of 548 decks
+11% synergy
Lagomos, Hand of Hatred
22% of 483 decks
+17% synergy
Syr Konrad, the Grim
21% of 540 decks
+9% synergy
Elves of Deep Shadow
21% of 548 decks
+8% synergy
Juri, Master of the Revue
20% of 533 decks
+8% synergy
Deathrite Shaman
20% of 548 decks
+6% synergy
Xenagos, God of Revels
20% of 548 decks
+12% synergy
Anger
20% of 548 decks
+1% synergy
Mazirek, Kraul Death Priest
18% of 546 decks
+11% synergy
Sprouting Thrinax
18% of 548 decks
+12% synergy
Dragon Broodmother
17% of 548 decks
+15% synergy
Beledros Witherbloom
17% of 532 decks
+14% synergy
General Kreat, the Boltbringer
17% of 18 decks
+15% synergy
Butcher of Malakir
17% of 548 decks
+11% synergy
Devilish Valet
16% of 519 decks
+15% synergy
Tendershoot Dryad
15% of 543 decks
+10% synergy
Ogre Battledriver
15% of 548 decks
+14% synergy
Orcish Bowmasters
15% of 374 decks
+6% synergy
Wood Elves
15% of 548 decks
+8% synergy
Fyndhorn Elves
14% of 548 decks
+6% synergy
Reclamation Sage
14% of 547 decks
+6% synergy
Scute Swarm
13% of 533 decks
+3% synergy
Drivnod, Carnage Dominus
13% of 427 decks
+7% synergy
Braids, Arisen Nightmare
13% of 483 decks
-2% synergy
Deathbringer Thoctar
13% of 548 decks
+11% synergy
Dragonlair Spider
13% of 548 decks
+9% synergy
Solemn Simulacrum
12% of 548 decks
-7% synergy
Instants
Beast Within
52% of 548 decks
+11% synergy
Vampiric Tutor
38% of 548 decks
+23% synergy
Heroic Intervention
37% of 544 decks
+12% synergy
Artifact Mutation
30% of 548 decks
+21% synergy
Chaos Warp
30% of 548 decks
-0% synergy
Village Rites
26% of 534 decks
+14% synergy
Deflecting Swat
24% of 534 decks
+8% synergy
Worldly Tutor
24% of 548 decks
+11% synergy
Terminate
23% of 548 decks
-5% synergy
Plumb the Forbidden
20% of 532 decks
+17% synergy
Dark Ritual
18% of 548 decks
+6% synergy
Putrefy
18% of 548 decks
+2% synergy
Second Harvest
15% of 546 decks
+12% synergy
Abrupt Decay
15% of 548 decks
+2% synergy
Deadly Dispute
15% of 527 decks
-3% synergy
Chord of Calling
14% of 548 decks
+12% synergy
Nature's Claim
14% of 548 decks
+5% synergy
Deadly Rollick
14% of 534 decks
+3% synergy
Krosan Grip
14% of 548 decks
+6% synergy
Corrupted Conviction
13% of 399 decks
+7% synergy
Return of the Wildspeaker
11% of 540 decks
+3% synergy
Fell the Profane
11% of 171 decks
+3% synergy
Blood for the Blood God!
10% of 462 decks
+8% synergy
Tear Asunder
10% of 483 decks
+1% synergy
Veil of Summer
9% of 540 decks
+1% synergy
Bedevil
9% of 541 decks
-1% synergy
Fresh Meat
8% of 548 decks
+8% synergy
Pyroblast
8% of 548 decks
+2% synergy
Red Elemental Blast
8% of 548 decks
+1% synergy
Crop Rotation
8% of 548 decks
-7% synergy
Tainted Strike
7% of 548 decks
+5% synergy
Tragic Slip
7% of 548 decks
+5% synergy
Noxious Revival
7% of 548 decks
-1% synergy
Harrow
6% of 548 decks
-10% synergy
Withering Torment
6% of 64 decks
+1% synergy
Arachnogenesis
6% of 546 decks
+4% synergy
Body Count
6% of 519 decks
+5% synergy
Tend the Pests
6% of 532 decks
+4% synergy
Rakdos Charm
5% of 548 decks
-3% synergy
Sorceries
Demonic Tutor
54% of 548 decks
+34% synergy
Farseek
52% of 548 decks
+7% synergy
Nature's Lore
48% of 548 decks
+13% synergy
Diabolic Intent
43% of 548 decks
+31% synergy
Kodama's Reach
43% of 548 decks
+11% synergy
Three Visits
42% of 548 decks
+16% synergy
Blasphemous Act
37% of 548 decks
-3% synergy
Song of Totentanz
30% of 291 decks
+27% synergy
Rampant Growth
27% of 548 decks
-10% synergy
Toxic Deluge
26% of 548 decks
+10% synergy
Damnation
24% of 548 decks
+16% synergy
Skyshroud Claim
21% of 548 decks
+14% synergy
Victimize
17% of 548 decks
-8% synergy
Tempt with Vengeance
16% of 548 decks
+14% synergy
Awaken the Woods
14% of 456 decks
+11% synergy
Vandalblast
14% of 548 decks
+4% synergy
Finale of Devastation
14% of 541 decks
+7% synergy
Grim Tutor
14% of 548 decks
+10% synergy
Shamanic Revelation
13% of 546 decks
+10% synergy
Bala Ged Recovery
13% of 533 decks
+2% synergy
Jeska's Will
12% of 533 decks
+3% synergy
Green Sun's Zenith
11% of 548 decks
+8% synergy
Pest Infestation
11% of 532 decks
+9% synergy
Culling Ritual
10% of 532 decks
-3% synergy
Crux of Fate
10% of 546 decks
+5% synergy
Reanimate
9% of 548 decks
-11% synergy
Diabolic Tutor
9% of 548 decks
+5% synergy
Beseech the Mirror
8% of 303 decks
+5% synergy
Tooth and Nail
8% of 548 decks
+7% synergy
Decimate
8% of 548 decks
-1% synergy
Season of Loss
7% of 111 decks
+5% synergy
Triumph of the Hordes
7% of 548 decks
+6% synergy
Imperial Seal
7% of 548 decks
+2% synergy
Chandra's Ignition
7% of 546 decks
-5% synergy
Overwhelming Stampede
7% of 548 decks
+5% synergy
Hull Breach
7% of 548 decks
+4% synergy
Flare of Cultivation
6% of 187 decks
+2% synergy
Lich-Knights' Conquest
6% of 303 decks
+0% synergy
Maelstrom Pulse
6% of 548 decks
+2% synergy
Descent of the Dragons
6% of 546 decks
+5% synergy
Rishkar's Expertise
6% of 544 decks
-4% synergy
Eldritch Evolution
6% of 545 decks
-1% synergy
Utility Artifacts
Lightning Greaves
38% of 548 decks
+12% synergy
Swiftfoot Boots
24% of 548 decks
-2% synergy
Tarrian's Soulcleaver
15% of 243 decks
+11% synergy
Bolas's Citadel
8% of 541 decks
+5% synergy
Sensei's Divining Top
7% of 548 decks
+5% synergy
The One Ring
7% of 411 decks
+2% synergy
Birthing Pod
7% of 548 decks
+1% synergy
The Great Henge
6% of 540 decks
-2% synergy
Enchantments
Fecundity
51% of 548 decks
+48% synergy
Dictate of Erebos
50% of 548 decks
+44% synergy
Into the Pit
50% of 30 decks
+45% synergy
Bastion of Remembrance
47% of 534 decks
+41% synergy
Moldervine Reclamation
40% of 540 decks
+29% synergy
Cryptolith Rite
39% of 546 decks
+37% synergy
Beastmaster Ascension
38% of 548 decks
+35% synergy
Insidious Roots
33% of 206 decks
+27% synergy
Sylvan Library
31% of 548 decks
+21% synergy
Grave Pact
31% of 548 decks
+27% synergy
The Meathook Massacre
31% of 526 decks
+27% synergy
Growing Rites of Itlimoc
26% of 544 decks
+24% synergy
Primal Vigor
26% of 548 decks
+23% synergy
Rhythm of the Wild
22% of 541 decks
+1% synergy
Awakening Zone
21% of 548 decks
+15% synergy
Phyrexian Arena
18% of 548 decks
+9% synergy
Black Market Connections
17% of 496 decks
+9% synergy
Bitterblossom
14% of 548 decks
+12% synergy
Earthcraft
12% of 548 decks
+12% synergy
Black Market
11% of 548 decks
+9% synergy
Greater Good
10% of 548 decks
-5% synergy
Fires of Yavimaya
9% of 548 decks
+5% synergy
Shared Animosity
8% of 548 decks
+7% synergy
City on Fire
8% of 406 decks
+5% synergy
Necropotence
7% of 548 decks
+3% synergy
Deathreap Ritual
6% of 547 decks
-4% synergy
Elven Chorus
5% of 311 decks
+5% synergy
Planeswalkers
Xenagos, the Reveler
36% of 548 decks
+34% synergy
Liliana, Dreadhorde General
18% of 541 decks
+15% synergy
Tevesh Szat, Doom of Fools
9% of 533 decks
+8% synergy
Sarkhan Vol
6% of 548 decks
+5% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
48% of 548 decks
+27% synergy
Kher Keep
47% of 548 decks
+43% synergy
Phyrexian Tower
45% of 548 decks
+33% synergy
Yavimaya, Cradle of Growth
45% of 532 decks
+22% synergy
Bojuka Bog
35% of 548 decks
+6% synergy
Boseiju, Who Endures
31% of 520 decks
+9% synergy
Reliquary Tower
31% of 548 decks
+11% synergy
Kessig Wolf Run
29% of 548 decks
+7% synergy
Ancient Tomb
22% of 548 decks
+13% synergy
Rogue's Passage
19% of 548 decks
+5% synergy
Gaea's Cradle
19% of 548 decks
+16% synergy
Westvale Abbey
16% of 546 decks
+14% synergy
Three Tree City
16% of 114 decks
+13% synergy
Temple of the False God
16% of 548 decks
+7% synergy
Cabal Coffers
15% of 548 decks
+9% synergy
Field of the Dead
14% of 540 decks
+6% synergy
Arena of Glory
11% of 151 decks
+5% synergy
High Market
11% of 548 decks
+6% synergy
Khalni Garden
11% of 548 decks
+9% synergy
Sokenzan, Crucible of Defiance
10% of 520 decks
+7% synergy
Takenuma, Abandoned Mire
10% of 520 decks
-3% synergy
Dryad Arbor
8% of 548 decks
+5% synergy
Strip Mine
8% of 548 decks
+1% synergy
Shizo, Death's Storehouse
7% of 548 decks
+6% synergy
Grim Backwoods
7% of 548 decks
+4% synergy
Spymaster's Vault
6% of 171 decks
+3% synergy
Mosswort Bridge
6% of 548 decks
-4% synergy
Urza's Saga
6% of 532 decks
+1% synergy
Mana Artifacts
Sol Ring
93% of 548 decks
+11% synergy
Arcane Signet
74% of 540 decks
+4% synergy
Chromatic Lantern
19% of 548 decks
+11% synergy
Mana Crypt
18% of 548 decks
+11% synergy
Golgari Signet
18% of 548 decks
+5% synergy
Rakdos Signet
18% of 548 decks
+5% synergy
Gruul Signet
17% of 548 decks
+4% synergy
Jeweled Lotus
13% of 533 decks
+8% synergy
Mana Vault
13% of 548 decks
+8% synergy
Fellwar Stone
12% of 548 decks
-3% synergy
Talisman of Resilience
12% of 540 decks
-1% synergy
Talisman of Impulse
10% of 548 decks
-1% synergy
Talisman of Indulgence
10% of 548 decks
-2% synergy
Commander's Sphere
9% of 546 decks
-3% synergy
Chrome Mox
6% of 548 decks
+1% synergy
Lands
Command Tower
95% of 548 decks
+5% synergy
Overgrown Tomb
80% of 548 decks
+30% synergy
Stomping Ground
79% of 548 decks
+29% synergy
Blood Crypt
78% of 548 decks
+31% synergy
Ziatora's Proving Ground
72% of 519 decks
+19% synergy
Verdant Catacombs
59% of 548 decks
+22% synergy
Bloodstained Mire
58% of 548 decks
+23% synergy
Wooded Foothills
57% of 548 decks
+23% synergy
Spire Garden
52% of 542 decks
+20% synergy
Undergrowth Stadium
51% of 533 decks
+16% synergy
Woodland Cemetery
50% of 548 decks
+19% synergy
Rootbound Crag
49% of 548 decks
+22% synergy
Dragonskull Summit
48% of 548 decks
+19% synergy
Luxury Suite
48% of 542 decks
+16% synergy
Savage Lands
46% of 548 decks
-2% synergy
Cinder Glade
35% of 546 decks
-11% synergy
Exotic Orchard
35% of 548 decks
-16% synergy
Llanowar Wastes
29% of 548 decks
+5% synergy
Smoldering Marsh
29% of 546 decks
-12% synergy
Taiga
27% of 548 decks
+14% synergy
Badlands
27% of 548 decks
+14% synergy
Bayou
26% of 548 decks
+13% synergy
Rockfall Vale
26% of 526 decks
-1% synergy
Underground Mortuary
22% of 224 decks
+1% synergy
Deathcap Glade
22% of 521 decks
+6% synergy
Commercial District
22% of 224 decks
+0% synergy
Haunted Ridge
22% of 526 decks
+7% synergy
Raucous Theater
21% of 224 decks
+0% synergy
Karplusan Forest
20% of 548 decks
+3% synergy
Twisted Landscape
20% of 151 decks
-22% synergy
City of Brass
19% of 548 decks
+10% synergy
Sulfurous Springs
18% of 548 decks
+3% synergy
Thornspire Verge
18% of 76 decks
+5% synergy
Fabled Passage
18% of 540 decks
-0% synergy
Blazemire Verge
17% of 76 decks
+4% synergy
Reflecting Pool
15% of 548 decks
+10% synergy
Twilight Mire
15% of 548 decks
+5% synergy
Mana Confluence
15% of 548 decks
+6% synergy
Evolving Wilds
14% of 548 decks
-16% synergy
Windswept Heath
13% of 548 decks
+2% synergy
Golgari Rot Farm
12% of 548 decks
-3% synergy
Blightstep Pathway
12% of 532 decks
+5% synergy
Terramorphic Expanse
12% of 548 decks
-12% synergy
Cragcrown Pathway
11% of 533 decks
+3% synergy
Graven Cairns
10% of 548 decks
+6% synergy
Arid Mesa
10% of 548 decks
-0% synergy
Darkbore Pathway
10% of 532 decks
+3% synergy
Polluted Delta
10% of 548 decks
+1% synergy
Misty Rainforest
10% of 548 decks
-1% synergy
Marsh Flats
9% of 548 decks
-2% synergy