Prowling Geistcatcher + Karmic Guide + Phyrexian Altar

Prowling Geistcatcher
Karmic Guide
Phyrexian Altar

Requires
Prowling Geistcatcher must be on the battlefield. Karmic Guide must be on the battlefield. Phyrexian Altar must be on the battlefield.
Steps
  1. Activate Phyrexian Altar by sacrificing Karmic Guide, adding one mana of any color.
  2. When Karmic Guide dies, Prowling Geistcatcher's first ability triggers, exiling Karmic Guide from your graveyard.
  3. Activate Phyrexian Altar by sacrificing Prowling Geistcatcher, adding one mana of any color.
  4. When Prowling Geistcatcher dies, its second ability triggers, returning Karmic Guide from exile to the battlefield.
  5. When Karmic Guide enters the battlefield, it triggers, returning Prowling Geistcatcher from your graveyard to the battlefield.
  6. Repeat.
Results
Infinite colored mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Extus, Oriq Overlord
0.48% of 5240 decks 25 decks
Alesha, Who Smiles at Death
0.24% of 5882 decks 14 decks
Teysa Karlov
0.07% of 15216 decks 10 decks
Karador, Ghost Chieftain
0.09% of 5443 decks 5 decks
Bane, Lord of Darkness
0.19% of 2087 decks 4 decks
Liesa, Forgotten Archangel
0.13% of 2367 decks 3 decks
Athreos, God of Passage
0.05% of 6116 decks 3 decks
Teysa, Orzhov Scion
0.11% of 2675 decks 3 decks
Ayli, Eternal Pilgrim
0.27% of 1124 decks 3 decks
Elas il-Kor, Sadistic Pilgrim
0.05% of 6454 decks 3 decks
Elenda, the Dusk Rose
0.04% of 5285 decks 2 decks
Shilgengar, Sire of Famine
0.06% of 3492 decks 2 decks
Kenrith, the Returned King
0.01% of 21513 decks 2 decks
Queza, Augur of Agonies
0.02% of 6366 decks 1 decks
Firja, Judge of Valor
0.09% of 1132 decks 1 decks
Abdel Adrian, Gorion's Ward // Agent of the Iron Throne
0.25% of 408 decks 1 decks
Rasaad yn Bashir // Agent of the Iron Throne
16.67% of 6 decks 1 decks
Malik, Grim Manipulator
0.04% of 2588 decks 1 decks
New Cards
Metamorphosis Fanatic
100% of 3 decks +95% synergy
High Synergy Cards
Goblin Bombardment
75% of 48 decks +69% synergy
Reveillark
70% of 105 decks +68% synergy
Viscera Seer
75% of 105 decks +66% synergy
Zulaport Cutthroat
68% of 105 decks +58% synergy
Saffi Eriksdotter
59% of 17 decks +57% synergy
Pitiless Plunderer
61% of 105 decks +53% synergy
Cruel Celebrant
60% of 105 decks +52% synergy
Phyrexian Tower
58% of 105 decks +50% synergy
Blood Artist
61% of 105 decks +49% synergy
Skullclamp
61% of 105 decks +49% synergy
Top Cards
Swords to Plowshares
70% of 105 decks +8% synergy
Eternal Witness
53% of 17 decks +32% synergy
Path to Exile
52% of 105 decks +7% synergy
Dockside Extortionist
52% of 48 decks +39% synergy
Ashnod's Altar
51% of 105 decks +44% synergy
Grim Haruspex
50% of 105 decks +45% synergy
Reanimate
49% of 105 decks +33% synergy
Mayhem Devil
48% of 48 decks +38% synergy
Yawgmoth, Thran Physician
48% of 105 decks +44% synergy
Victimize
48% of 105 decks +36% synergy
Creatures
Imperial Recruiter
67% of 48 decks +61% synergy
Pinnacle Monk
50% of 6 decks +43% synergy
Pawn of Ulamog
46% of 105 decks +43% synergy
Warren Soultrader
44% of 18 decks +37% synergy
Anax, Hardened in the Forge
44% of 48 decks +43% synergy
Sakura-Tribe Elder
41% of 17 decks +23% synergy
Birds of Paradise
41% of 17 decks +14% synergy
Elenda, the Dusk Rose
41% of 105 decks +35% synergy
Mulldrifter
38% of 13 decks +33% synergy
Morbid Opportunist
38% of 105 decks +33% synergy
Purphoros, God of the Forge
38% of 48 decks +33% synergy
Elas il-Kor, Sadistic Pilgrim
36% of 98 decks +24% synergy
Wood Elves
35% of 17 decks +28% synergy
Nether Traitor
34% of 105 decks +33% synergy
Yahenni, Undying Partisan
34% of 105 decks +31% synergy
Woe Strider
33% of 105 decks +31% synergy
Carrion Feeder
33% of 105 decks +28% synergy
Sun Titan
32% of 105 decks +22% synergy
Esper Sentinel
32% of 105 decks +12% synergy
Chasm Skulker
31% of 13 decks +27% synergy
Hallowed Spiritkeeper
30% of 105 decks +30% synergy
Ophiomancer
30% of 105 decks +28% synergy
Teysa Karlov
30% of 105 decks +26% synergy
Recruiter of the Guard
30% of 105 decks +27% synergy
Fauna Shaman
29% of 17 decks +26% synergy
Mondrak, Glory Dominus
29% of 79 decks +20% synergy
Marionette Apprentice
28% of 18 decks +20% synergy
Charismatic Conqueror
28% of 40 decks +22% synergy
Kiki-Jiki, Mirror Breaker
27% of 48 decks +23% synergy
Doomed Traveler
27% of 105 decks +26% synergy
Luminous Broodmoth
26% of 105 decks +24% synergy
Solemn Simulacrum
26% of 105 decks +12% synergy
Goblin Sharpshooter
25% of 48 decks +24% synergy
Kami of Whispered Hopes
25% of 12 decks +17% synergy
Smothering Abomination
24% of 105 decks +23% synergy
Fiend Artisan
24% of 17 decks +21% synergy
Haywire Mite
24% of 17 decks +19% synergy
Reclamation Sage
24% of 17 decks +13% synergy
Body Double
23% of 13 decks +22% synergy
Phyrexian Metamorph
23% of 13 decks +16% synergy
Hunted Witness
23% of 105 decks +22% synergy
Reassembling Skeleton
23% of 105 decks +19% synergy
Carmen, Cruel Skymarcher
22% of 40 decks +18% synergy
Body Launderer
22% of 104 decks +21% synergy
Garrison Cat
22% of 105 decks +22% synergy
Fiend Hunter
21% of 105 decks +20% synergy
Seasoned Pyromancer
21% of 48 decks +21% synergy
Murderous Redcap
21% of 48 decks +19% synergy
Anger
21% of 48 decks +15% synergy
Drivnod, Carnage Dominus
21% of 77 decks +17% synergy
Instants
Anguished Unmaking
48% of 105 decks +23% synergy
Village Rites
43% of 105 decks +33% synergy
Deadly Dispute
41% of 105 decks +30% synergy
Generous Gift
37% of 105 decks +11% synergy
Beast Within
35% of 17 decks -4% synergy
Plumb the Forbidden
33% of 105 decks +30% synergy
Corrupted Conviction
31% of 65 decks +25% synergy
Despark
30% of 105 decks +15% synergy
Body Count
25% of 104 decks +24% synergy
Entomb
25% of 105 decks +17% synergy
Vampiric Tutor
25% of 105 decks +6% synergy
Assassin's Trophy
24% of 17 decks -7% synergy
Call the Coppercoats
22% of 105 decks +19% synergy
Lethal Scheme
20% of 104 decks +19% synergy
Enlightened Tutor
20% of 105 decks +2% synergy
Teferi's Protection
19% of 105 decks -1% synergy
Thrill of Possibility
19% of 48 decks +8% synergy
Fell the Profane
17% of 18 decks +5% synergy
Malakir Rebirth
16% of 105 decks +8% synergy
Dark Ritual
15% of 105 decks -7% synergy
Wear // Tear
15% of 48 decks +6% synergy
Chaos Warp
15% of 48 decks -18% synergy
Deflecting Swat
12% of 48 decks -4% synergy
Afterlife Insurance
11% of 28 decks +9% synergy
Stroke of Midnight
11% of 47 decks -2% synergy
Boros Charm
10% of 48 decks -15% synergy
Valakut Awakening
8% of 48 decks +2% synergy
Deadly Rollick
8% of 105 decks -3% synergy
Hagra Mauling
7% of 105 decks +5% synergy
Culling the Weak
7% of 105 decks +3% synergy
Inkshield
7% of 105 decks +1% synergy
Utter End
7% of 105 decks -0% synergy
Fracture
7% of 105 decks -1% synergy
Crackling Doom
6% of 48 decks -2% synergy
Rakdos Charm
6% of 48 decks -8% synergy
Bedevil
6% of 48 decks -8% synergy
Rally the Ancestors
6% of 105 decks +5% synergy
Ephemerate
6% of 105 decks -0% synergy
Mortify
6% of 105 decks -6% synergy
Nasty End
6% of 53 decks +3% synergy
Saw in Half
5% of 94 decks +2% synergy
Sorceries
Blasphemous Act
44% of 48 decks +10% synergy
Diabolic Intent
40% of 105 decks +31% synergy
Faithless Looting
38% of 48 decks +21% synergy
Seize the Spotlight
36% of 47 decks +34% synergy
Cultivate
35% of 17 decks -11% synergy
Toxic Deluge
35% of 105 decks +18% synergy
Demonic Tutor
33% of 105 decks +11% synergy
Farseek
29% of 17 decks -5% synergy
Agadeem's Awakening
29% of 105 decks +25% synergy
Damn
29% of 105 decks +12% synergy
Buried Alive
23% of 105 decks +17% synergy
Life from the Loam
18% of 17 decks +14% synergy
Cathartic Reunion
17% of 48 decks +13% synergy
Living Death
16% of 105 decks +11% synergy
Sign in Blood
13% of 105 decks +4% synergy
Tormenting Voice
12% of 48 decks +10% synergy
Jeska's Will
12% of 48 decks -5% synergy
Austere Command
12% of 105 decks -0% synergy
Dread Return
11% of 105 decks +6% synergy
Sevinne's Reclamation
11% of 105 decks +4% synergy
Unearth
10% of 105 decks +7% synergy
Night's Whisper
10% of 105 decks +1% synergy
Unburial Rites
10% of 105 decks +7% synergy
Rite of Oblivion
10% of 105 decks +7% synergy
Dusk // Dawn
9% of 105 decks +5% synergy
Damnation
9% of 105 decks +0% synergy
Gamble
8% of 48 decks -2% synergy
Farewell
8% of 104 decks -6% synergy
Unmarked Grave
7% of 105 decks +4% synergy
Read the Bones
7% of 105 decks -1% synergy
Beseech the Mirror
6% of 47 decks +2% synergy
Mythos of Snapdax
6% of 48 decks +3% synergy
Ruinous Ultimatum
6% of 48 decks -12% synergy
Utility Artifacts
Altar of Dementia
30% of 105 decks +28% synergy
Birthing Pod
24% of 17 decks +21% synergy
Lightning Greaves
14% of 105 decks -11% synergy
Blasting Station
10% of 105 decks +10% synergy
Bolas's Citadel
10% of 105 decks +1% synergy
Nim Deathmantle
9% of 105 decks +8% synergy
Swiftfoot Boots
9% of 105 decks -19% synergy
Key to the City
6% of 105 decks +5% synergy
Sensei's Divining Top
6% of 105 decks +0% synergy
Enchantments
Bastion of Remembrance
47% of 105 decks +40% synergy
Rhystic Study
38% of 13 decks +11% synergy
The Meathook Massacre
35% of 105 decks +30% synergy
Animate Dead
29% of 105 decks +19% synergy
Anointed Procession
24% of 105 decks +15% synergy
Smothering Tithe
24% of 105 decks -1% synergy
Mystic Remora
23% of 13 decks +5% synergy
Ripples of Undeath
19% of 16 decks +12% synergy
Aura Shards
18% of 17 decks +9% synergy
Dictate of Erebos
15% of 105 decks +11% synergy
Trouble in Pairs
14% of 28 decks +7% synergy
Black Market Connections
14% of 103 decks +3% synergy
Grave Pact
13% of 105 decks +9% synergy
Phyrexian Reclamation
11% of 105 decks +8% synergy
Necromancy
10% of 105 decks +7% synergy
Bitterblossom
10% of 105 decks +6% synergy
Impact Tremors
10% of 48 decks +1% synergy
Life Insurance
10% of 104 decks +8% synergy
Gift of Immortality
10% of 105 decks +7% synergy
Fanatical Devotion
9% of 105 decks +8% synergy
Reconnaissance
9% of 105 decks +7% synergy
Phyrexian Arena
8% of 105 decks -7% synergy
Tombstone Stairwell
7% of 105 decks +6% synergy
Blight Mound
7% of 105 decks +6% synergy
Dark Prophecy
7% of 105 decks +6% synergy
Kaya's Ghostform
7% of 105 decks +3% synergy
Underworld Breach
6% of 48 decks +0% synergy
Skrelv's Hive
6% of 81 decks +3% synergy
Tortured Existence
6% of 105 decks +4% synergy
Dance of the Dead
6% of 105 decks +4% synergy
Black Market
6% of 105 decks +1% synergy
Planeswalkers
Grist, the Hunger Tide
18% of 17 decks +14% synergy
Liliana, Dreadhorde General
13% of 105 decks +10% synergy
Tevesh Szat, Doom of Fools
7% of 105 decks +5% synergy
Utility Lands
Bojuka Bog
50% of 105 decks +19% synergy
Takenuma, Abandoned Mire
41% of 104 decks +31% synergy
Spymaster's Vault
33% of 18 decks +29% synergy
Urborg, Tomb of Yawgmoth
33% of 105 decks +23% synergy
High Market
30% of 105 decks +27% synergy
Castle Locthwain
20% of 105 decks +15% synergy
Boseiju, Who Endures
18% of 17 decks -2% synergy
Reliquary Tower
17% of 105 decks -12% synergy
Eiganjo, Seat of the Empire
14% of 104 decks +5% synergy
Cabal Coffers
14% of 105 decks +3% synergy
Ancient Tomb
12% of 105 decks +2% synergy
Sokenzan, Crucible of Defiance
11% of 47 decks +6% synergy
Emergence Zone
8% of 105 decks +5% synergy
Shizo, Death's Storehouse
8% of 105 decks +3% synergy
Westvale Abbey
7% of 105 decks +4% synergy
Strip Mine
7% of 105 decks +4% synergy
Urza's Saga
7% of 105 decks -1% synergy
Hanweir Battlements
6% of 48 decks +5% synergy
Volrath's Stronghold
6% of 105 decks +4% synergy
Wasteland
6% of 105 decks +4% synergy
Emeria, the Sky Ruin
6% of 105 decks +2% synergy
Hall of Heliod's Generosity
6% of 105 decks -1% synergy
Vault of the Archangel
6% of 105 decks -5% synergy
Mana Artifacts
Sol Ring
86% of 105 decks +1% synergy
Arcane Signet
84% of 105 decks +12% synergy
Talisman of Conviction
58% of 48 decks +35% synergy
Talisman of Hierarchy
57% of 105 decks +33% synergy
Talisman of Indulgence
50% of 48 decks +24% synergy
Talisman of Dominance
38% of 13 decks +7% synergy
Orzhov Signet
38% of 105 decks +11% synergy
Rakdos Signet
27% of 48 decks -3% synergy
Talisman of Progress
23% of 13 decks +0% synergy
Boros Signet
23% of 48 decks -1% synergy
Fellwar Stone
18% of 105 decks -3% synergy
Mind Stone
13% of 105 decks -4% synergy
Mana Crypt
7% of 105 decks -2% synergy
Thought Vessel
7% of 105 decks -10% synergy
Lands
Command Tower
90% of 105 decks +16% synergy
Blood Crypt
75% of 48 decks +36% synergy
Godless Shrine
74% of 105 decks +33% synergy
Savai Triome
71% of 48 decks +44% synergy
Sacred Foundry
71% of 48 decks +35% synergy
Dragonskull Summit
67% of 48 decks +36% synergy
Marsh Flats
62% of 105 decks +51% synergy
Spectator Seating
60% of 48 decks +35% synergy
Battlefield Forge
60% of 48 decks +35% synergy
Isolated Chapel
59% of 105 decks +32% synergy
Temple Garden
59% of 17 decks +18% synergy
Overgrown Tomb
59% of 17 decks +16% synergy
Luxury Suite
58% of 48 decks +32% synergy
Vault of Champions
57% of 105 decks +31% synergy
Clifftop Retreat
56% of 48 decks +28% synergy
Sea of Clouds
54% of 13 decks +28% synergy
Indatha Triome
53% of 17 decks +22% synergy
Haunted Ridge
50% of 48 decks +34% synergy
Opulent Palace
50% of 6 decks +23% synergy
Exotic Orchard
43% of 105 decks +7% synergy
Sundown Pass
42% of 48 decks +26% synergy
Undergrowth Stadium
41% of 17 decks +15% synergy
Caves of Koilos
41% of 105 decks +13% synergy
Shattered Sanctum
40% of 105 decks +27% synergy
Arid Mesa
39% of 105 decks +28% synergy
Morphic Pool
38% of 13 decks +12% synergy
Watery Grave
38% of 13 decks -2% synergy
Hallowed Fountain
38% of 13 decks -2% synergy
Fetid Heath
35% of 105 decks +24% synergy
Bloodstained Mire
33% of 105 decks +23% synergy
Raucous Theater
29% of 17 decks +16% synergy
Shadowy Backstreet
29% of 34 decks +16% synergy
Sunpetal Grove
29% of 17 decks +6% synergy
Bountiful Promenade
29% of 17 decks +5% synergy
Woodland Cemetery
29% of 17 decks +2% synergy
Fabled Passage
25% of 105 decks +16% synergy
Brightclimb Pathway
25% of 105 decks +15% synergy
Elegant Parlor
24% of 17 decks +14% synergy
Bayou
24% of 17 decks +10% synergy
Clearwater Pathway
23% of 13 decks +13% synergy
Underground Sea
23% of 13 decks +9% synergy
Shipwreck Marsh
23% of 13 decks +4% synergy
Arcane Sanctum
23% of 13 decks -5% synergy
Raffine's Tower
23% of 13 decks -5% synergy
Sulfurous Springs
23% of 48 decks +3% synergy
Nomad Outpost
23% of 48 decks -5% synergy
Prismatic Vista
23% of 105 decks +17% synergy
Tainted Field
21% of 105 decks +8% synergy
Scrubland
21% of 105 decks +7% synergy
Savannah
18% of 17 decks +5% synergy