Prowling Geistcatcher + Karmic Guide + Ashnod's Altar

Prowling Geistcatcher
Karmic Guide
Ashnod's Altar

Requires
Prowling Geistcatcher must be on the battlefield. Karmic Guide must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Karmic Guide, adding .
  2. When Karmic Guide dies, Prowling Geistcatcher's first ability triggers, exiling Karmic Guide from your graveyard.
  3. Activate Ashnod's Altar by sacrificing Prowling Geistcatcher, adding .
  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 colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Alesha, Who Smiles at Death
0.39% of 5896 decks 23 decks
Teysa Karlov
0.13% of 15505 decks 20 decks
Karador, Ghost Chieftain
0.17% of 5421 decks 9 decks
Othelm, Sigardian Outcast // Wernog, Rider's Chaplain
0.66% of 911 decks 6 decks
Bane, Lord of Darkness
0.24% of 2121 decks 5 decks
Extus, Oriq Overlord
0.08% of 5282 decks 4 decks
Liesa, Forgotten Archangel
0.17% of 2349 decks 4 decks
Bartolomé del Presidio
0.33% of 1214 decks 4 decks
Queen Marchesa
0.02% of 12523 decks 3 decks
Elenda, the Dusk Rose
0.06% of 5364 decks 3 decks
Kenrith, the Returned King
0.01% of 21646 decks 3 decks
Elas il-Kor, Sadistic Pilgrim
0.05% of 6486 decks 3 decks
Abdel Adrian, Gorion's Ward // Agent of the Iron Throne
0.48% of 421 decks 2 decks
Ghave, Guru of Spores
0.03% of 6438 decks 2 decks
Teysa, Orzhov Scion
0.07% of 2735 decks 2 decks
Reyhan, Last of the Abzan // Yoshimaru, Ever Faithful
0.11% of 1749 decks 2 decks
Kambal, Profiteering Mayor
0.07% of 2949 decks 2 decks
Malik, Grim Manipulator
0.08% of 2655 decks 2 decks
High Synergy Cards
Goblin Bombardment
82% of 39 decks +76% synergy
Viscera Seer
79% of 125 decks +70% synergy
Reveillark
63% of 125 decks +61% synergy
Saffi Eriksdotter
57% of 28 decks +56% synergy
Zulaport Cutthroat
64% of 125 decks +54% synergy
Faithless Looting
67% of 39 decks +50% synergy
Cruel Celebrant
55% of 125 decks +47% synergy
Skullclamp
58% of 125 decks +45% synergy
Indebted Spirit
46% of 13 decks +45% synergy
Carrion Feeder
50% of 125 decks +45% synergy
Top Cards
Swords to Plowshares
66% of 125 decks +4% synergy
Eternal Witness
64% of 28 decks +43% synergy
Blood Artist
55% of 125 decks +43% synergy
Pitiless Plunderer
48% of 125 decks +40% synergy
Sakura-Tribe Elder
46% of 28 decks +28% synergy
Mulldrifter
46% of 13 decks +40% synergy
Marionette Apprentice
46% of 26 decks +39% synergy
Sun Titan
43% of 125 decks +33% synergy
Phyrexian Altar
42% of 125 decks +38% synergy
Grim Haruspex
42% of 125 decks +38% synergy
Creatures
Imperial Recruiter
62% of 39 decks +55% synergy
Kiki-Jiki, Mirror Breaker
41% of 39 decks +37% synergy
Elas il-Kor, Sadistic Pilgrim
41% of 120 decks +29% synergy
Murderous Redcap
38% of 39 decks +37% synergy
Chasm Skulker
38% of 13 decks +34% synergy
Warren Soultrader
38% of 26 decks +31% synergy
Solemn Simulacrum
38% of 125 decks +24% synergy
Protean Hulk
36% of 28 decks +34% synergy
Mayhem Devil
33% of 39 decks +23% synergy
Bartolomé del Presidio
32% of 59 decks +25% synergy
Midnight Reaper
32% of 125 decks +28% synergy
Fiend Hunter
30% of 125 decks +28% synergy
Pawn of Ulamog
30% of 125 decks +27% synergy
Yahenni, Undying Partisan
29% of 125 decks +26% synergy
Renegade Rallier
29% of 28 decks +28% synergy
Wood Elves
29% of 28 decks +22% synergy
Master of Cruelties
28% of 39 decks +26% synergy
Yawgmoth, Thran Physician
28% of 125 decks +24% synergy
Morbid Opportunist
28% of 125 decks +22% synergy
Elenda, the Dusk Rose
27% of 125 decks +21% synergy
Reassembling Skeleton
26% of 125 decks +23% synergy
Anger
26% of 39 decks +20% synergy
Golgari Grave-Troll
25% of 28 decks +23% synergy
Spore Frog
25% of 28 decks +22% synergy
Meren of Clan Nel Toth
25% of 28 decks +22% synergy
Birds of Paradise
25% of 28 decks -2% synergy
Welcoming Vampire
25% of 125 decks +19% synergy
Woe Strider
24% of 125 decks +22% synergy
Corpse Knight
23% of 125 decks +17% synergy
Body Double
23% of 13 decks +22% synergy
Evil Twin
23% of 13 decks +22% synergy
Glen Elendra Archmage
23% of 13 decks +21% synergy
Soulherder
23% of 13 decks +18% synergy
Body Launderer
23% of 123 decks +22% synergy
Luminous Broodmoth
22% of 125 decks +20% synergy
Haywire Mite
22% of 27 decks +18% synergy
Teysa Karlov
22% of 125 decks +17% synergy
Satyr Wayfinder
21% of 28 decks +19% synergy
World Shaper
21% of 28 decks +18% synergy
Champion of Lambholt
21% of 28 decks +14% synergy
Witch Enchanter
21% of 28 decks +12% synergy
Reclamation Sage
21% of 28 decks +11% synergy
Avacyn's Pilgrim
21% of 28 decks +7% synergy
Mirkwood Bats
21% of 72 decks +9% synergy
Dockside Extortionist
21% of 39 decks +8% synergy
Thalia and The Gitrog Monster
20% of 20 decks +15% synergy
Braids, Arisen Nightmare
20% of 120 decks +12% synergy
Syr Konrad, the Grim
20% of 125 decks +11% synergy
Cathar Commando
19% of 125 decks +16% synergy
Ravenous Chupacabra
19% of 125 decks +15% synergy
Instants
Path to Exile
38% of 125 decks -7% synergy
Grisly Salvage
36% of 28 decks +31% synergy
Village Rites
34% of 125 decks +24% synergy
Beast Within
32% of 28 decks -6% synergy
Thrill of Possibility
31% of 39 decks +20% synergy
Anguished Unmaking
30% of 125 decks +6% synergy
Deadly Dispute
28% of 125 decks +17% synergy
Generous Gift
24% of 125 decks -2% synergy
Entomb
23% of 125 decks +16% synergy
An Offer You Can't Refuse
23% of 13 decks +2% synergy
Chaos Warp
23% of 39 decks -9% synergy
Plumb the Forbidden
21% of 125 decks +18% synergy
Despark
21% of 125 decks +5% synergy
Boros Charm
21% of 39 decks -5% synergy
Corrupted Conviction
20% of 80 decks +14% synergy
Malakir Rebirth
20% of 125 decks +12% synergy
Wear // Tear
18% of 39 decks +10% synergy
Dark Ritual
16% of 125 decks -6% synergy
Crackling Doom
15% of 39 decks +7% synergy
Veil of Summer
14% of 28 decks +8% synergy
Return to Nature
14% of 28 decks +8% synergy
Abrupt Decay
14% of 28 decks +4% synergy
Assassin's Trophy
14% of 28 decks -16% synergy
Fracture
14% of 125 decks +7% synergy
Tibalt's Trickery
13% of 39 decks +7% synergy
Rakdos Charm
13% of 39 decks -2% synergy
Blood for the Blood God!
12% of 33 decks +8% synergy
Utter End
12% of 125 decks +5% synergy
Teferi's Protection
12% of 125 decks -8% synergy
Afterlife Insurance
11% of 37 decks +10% synergy
Harrow
11% of 28 decks +1% synergy
Crop Rotation
11% of 28 decks +1% synergy
Heroic Intervention
11% of 28 decks -19% synergy
Body Count
11% of 123 decks +10% synergy
Lethal Scheme
11% of 123 decks +9% synergy
Vampiric Tutor
10% of 125 decks -8% synergy
Bedevil
10% of 39 decks -4% synergy
Deflecting Swat
10% of 39 decks -6% synergy
Stroke of Midnight
10% of 61 decks -3% synergy
Tragic Slip
9% of 125 decks +5% synergy
Bovine Intervention
8% of 36 decks +6% synergy
Nasty End
8% of 72 decks +6% synergy
Rally the Ancestors
8% of 125 decks +8% synergy
Valakut Awakening
8% of 39 decks +1% synergy
Costly Plunder
7% of 125 decks +6% synergy
Heliod's Intervention
7% of 125 decks +4% synergy
Ephemerate
7% of 125 decks +1% synergy
Mortify
7% of 125 decks -5% synergy
Enlightened Tutor
7% of 125 decks -11% synergy
Hagra Mauling
6% of 125 decks +4% synergy
Sorceries
Victimize
40% of 125 decks +28% synergy
Damn
36% of 125 decks +20% synergy
Rise of the Witch-king
31% of 16 decks +25% synergy
Squirming Emergence
31% of 13 decks +27% synergy
Cathartic Reunion
31% of 39 decks +27% synergy
Cultivate
29% of 28 decks -18% synergy
Buried Alive
27% of 125 decks +22% synergy
Reanimate
26% of 125 decks +11% synergy
Blasphemous Act
26% of 39 decks -8% synergy
Life from the Loam
25% of 28 decks +21% synergy
Demonic Tutor
24% of 125 decks +2% synergy
Diabolic Intent
23% of 125 decks +14% synergy
Eerie Ultimatum
21% of 28 decks +9% synergy
Farseek
21% of 28 decks -13% synergy
Living Death
21% of 125 decks +15% synergy
Tormenting Voice
18% of 39 decks +15% synergy
Gamble
18% of 39 decks +8% synergy
Traverse the Ulvenwald
18% of 28 decks +17% synergy
Kodama's Reach
18% of 28 decks -14% synergy
Nature's Lore
18% of 28 decks -14% synergy
Rite of Oblivion
17% of 125 decks +14% synergy
Austere Command
16% of 125 decks +3% synergy
Toxic Deluge
16% of 125 decks -1% synergy
Mythos of Snapdax
15% of 39 decks +12% synergy
Dread Return
15% of 125 decks +10% synergy
Rampant Growth
14% of 28 decks -20% synergy
Agadeem's Awakening
14% of 125 decks +10% synergy
Sevinne's Reclamation
14% of 125 decks +6% synergy
Vandalblast
13% of 39 decks -3% synergy
Jeska's Will
13% of 39 decks -5% synergy
Dusk // Dawn
13% of 125 decks +9% synergy
Diabolic Tutor
12% of 125 decks +6% synergy
Vindicate
11% of 125 decks +5% synergy
Sign in Blood
11% of 125 decks +1% synergy
Dig Up
11% of 28 decks +8% synergy
Culling Ritual
11% of 28 decks -0% synergy
Ruinous Ultimatum
10% of 39 decks -8% synergy
Unearth
10% of 125 decks +6% synergy
Expel the Interlopers
8% of 61 decks +7% synergy
Unburial Rites
8% of 125 decks +5% synergy
Night's Whisper
8% of 125 decks -1% synergy
Twinflame
8% of 39 decks +5% synergy
The Battle of Bywater
7% of 67 decks +5% synergy
Farewell
7% of 123 decks -6% synergy
Unmarked Grave
7% of 125 decks +4% synergy
Vanquish the Horde
7% of 125 decks +3% synergy
Persist
6% of 125 decks +3% synergy
Rise of the Dark Realms
6% of 125 decks +2% synergy
Read the Bones
6% of 125 decks -2% synergy
Feed the Swarm
6% of 125 decks -13% synergy
Utility Artifacts
Altar of Dementia
39% of 125 decks +36% synergy
Lightning Greaves
26% of 125 decks +0% synergy
Conduit of Worlds
24% of 21 decks +17% synergy
Birthing Pod
21% of 28 decks +19% synergy
Swiftfoot Boots
13% of 125 decks -15% synergy
Nim Deathmantle
11% of 125 decks +10% synergy
Bolas's Citadel
10% of 125 decks +0% synergy
Blasting Station
9% of 125 decks +8% synergy
Key to the City
9% of 125 decks +8% synergy
Wayfarer's Bauble
7% of 125 decks -3% synergy
Spawning Pit
6% of 125 decks +6% synergy
Norn's Wellspring
6% of 94 decks +5% synergy
Moonsilver Key
6% of 125 decks +4% synergy
Enchantments
Bastion of Remembrance
37% of 125 decks +31% synergy
Animate Dead
28% of 125 decks +19% synergy
Teferi's Ageless Insight
23% of 13 decks +18% synergy
Smothering Tithe
20% of 125 decks -5% synergy
Dictate of Erebos
15% of 125 decks +11% synergy
Phyrexian Arena
15% of 125 decks +0% synergy
Fanatical Devotion
14% of 125 decks +14% synergy
Ulvenwald Mysteries
14% of 28 decks +14% synergy
Pattern of Rebirth
14% of 28 decks +14% synergy
Survival of the Fittest
14% of 28 decks +12% synergy
Ripples of Undeath
14% of 21 decks +8% synergy
Aura Shards
14% of 28 decks +5% synergy
The Meathook Massacre
14% of 125 decks +9% synergy
Necromancy
11% of 125 decks +8% synergy
Fable of the Mirror-Breaker
11% of 37 decks +8% synergy
Master Chef
11% of 28 decks +9% synergy
Descendants' Path
11% of 28 decks +9% synergy
Journey to Eternity
11% of 28 decks +7% synergy
Moldervine Reclamation
11% of 28 decks +2% synergy
Phyrexian Reclamation
10% of 125 decks +7% synergy
Impact Tremors
10% of 39 decks +1% synergy
Dark Prophecy
10% of 125 decks +9% synergy
Skrelv's Hive
10% of 94 decks +6% synergy
Case of the Stashed Skeleton
9% of 44 decks +8% synergy
Black Market Connections
9% of 121 decks -2% synergy
Gift of Immortality
9% of 125 decks +7% synergy
Grave Pact
9% of 125 decks +4% synergy
Life Insurance
8% of 123 decks +6% synergy
Reconnaissance
8% of 125 decks +6% synergy
Black Market
7% of 125 decks +3% synergy
Angelic Renewal
6% of 125 decks +6% synergy
Dance of the Dead
6% of 125 decks +5% synergy
Vampiric Rites
6% of 125 decks +4% synergy
Dreadhorde Invasion
6% of 125 decks +4% synergy
Kaya's Ghostform
6% of 125 decks +2% synergy
Martyr's Cause
6% of 125 decks +5% synergy
Bitterblossom
6% of 125 decks +1% synergy
Anointed Procession
6% of 125 decks -3% synergy
Planeswalkers
Liliana, Dreadhorde General
12% of 125 decks +8% synergy
Nahiri, the Harbinger
8% of 39 decks +7% synergy
Tevesh Szat, Doom of Fools
6% of 125 decks +5% synergy
Utility Lands
Bojuka Bog
46% of 125 decks +15% synergy
High Market
38% of 125 decks +35% synergy
Phyrexian Tower
35% of 125 decks +27% synergy
Spymaster's Vault
27% of 26 decks +23% synergy
Urborg, Tomb of Yawgmoth
24% of 125 decks +14% synergy
Takenuma, Abandoned Mire
22% of 123 decks +11% synergy
Reliquary Tower
22% of 125 decks -8% synergy
Gavony Township
21% of 28 decks +12% synergy
Hanweir Battlements
15% of 39 decks +14% synergy
Castle Locthwain
14% of 125 decks +9% synergy
Eiganjo, Seat of the Empire
12% of 123 decks +3% synergy
Vault of the Archangel
11% of 125 decks +0% synergy
Rogue's Passage
11% of 125 decks -8% synergy
Grim Backwoods
11% of 28 decks +7% synergy
Mosswort Bridge
11% of 28 decks +0% synergy
Boseiju, Who Endures
11% of 28 decks -9% synergy
Westvale Abbey
10% of 125 decks +8% synergy
Ancient Tomb
10% of 125 decks -1% synergy
Cabal Coffers
9% of 125 decks -2% synergy
Sokenzan, Crucible of Defiance
8% of 37 decks +3% synergy
Geier Reach Sanitarium
8% of 125 decks +5% synergy
Castle Ardenvale
8% of 125 decks +3% synergy
Kher Keep
8% of 39 decks +5% synergy
Restless Fortress
7% of 61 decks +3% synergy
Access Tunnel
6% of 125 decks +4% synergy
Shizo, Death's Storehouse
6% of 125 decks +2% synergy
Maze of Ith
6% of 125 decks +3% synergy
Temple of the False God
6% of 125 decks -4% synergy
Mana Artifacts
Sol Ring
93% of 125 decks +8% synergy
Arcane Signet
84% of 125 decks +12% synergy
Orzhov Signet
51% of 125 decks +24% synergy
Talisman of Hierarchy
50% of 125 decks +26% synergy
Rakdos Signet
49% of 39 decks +19% synergy
Boros Signet
41% of 39 decks +18% synergy
Talisman of Dominance
38% of 13 decks +7% synergy
Talisman of Conviction
36% of 39 decks +13% synergy
Talisman of Indulgence
23% of 39 decks -3% synergy
Dimir Signet
23% of 13 decks -7% synergy
Fellwar Stone
20% of 125 decks -1% synergy
Mind Stone
19% of 125 decks +2% synergy
Hourglass of the Lost
18% of 17 decks +17% synergy
Thought Vessel
10% of 125 decks -6% synergy
Commander's Sphere
7% of 125 decks -8% synergy
Lands
Command Tower
90% of 125 decks +16% synergy
Blood Crypt
67% of 39 decks +28% synergy
Caves of Koilos
59% of 125 decks +31% synergy
Dragonskull Summit
56% of 39 decks +26% synergy
Isolated Chapel
54% of 125 decks +27% synergy
Arcane Sanctum
54% of 13 decks +26% synergy
Battlefield Forge
51% of 39 decks +26% synergy
Sacred Foundry
51% of 39 decks +15% synergy
Godless Shrine
51% of 125 decks +10% synergy
Sandsteppe Citadel
50% of 28 decks +24% synergy
Woodland Cemetery
50% of 28 decks +22% synergy
Savai Triome
49% of 39 decks +22% synergy
Nomad Outpost
49% of 39 decks +21% synergy
Sea of Clouds
46% of 13 decks +20% synergy
Exotic Orchard
44% of 125 decks +8% synergy
Canopy Vista
43% of 28 decks +7% synergy
Lush Portico
40% of 10 decks +28% synergy
Clifftop Retreat
38% of 39 decks +10% synergy
Watery Grave
38% of 13 decks -2% synergy
Vault of Champions
38% of 125 decks +13% synergy
Marsh Flats
34% of 125 decks +22% synergy
Sulfurous Springs
33% of 39 decks +13% synergy
Llanowar Wastes
32% of 28 decks +7% synergy
Overgrown Tomb
32% of 28 decks -10% synergy
Tainted Field
31% of 125 decks +18% synergy
Clearwater Pathway
31% of 13 decks +21% synergy
Spectator Seating
31% of 39 decks +6% synergy
Morphic Pool
31% of 13 decks +5% synergy
Luxury Suite
31% of 39 decks +4% synergy
Smoldering Marsh
31% of 39 decks -2% synergy
Prairie Stream
31% of 13 decks -3% synergy
Sunken Hollow
31% of 13 decks -4% synergy
Hallowed Fountain
31% of 13 decks -10% synergy
Underground Mortuary
30% of 10 decks +14% synergy
Bountiful Promenade
29% of 28 decks +4% synergy
Indatha Triome
29% of 28 decks -2% synergy
Haunted Ridge
28% of 39 decks +12% synergy
Shineshadow Snarl
27% of 125 decks +15% synergy
Shattered Sanctum
26% of 125 decks +13% synergy
Temple of Silence
26% of 125 decks +8% synergy
Temple of Malice
26% of 39 decks +11% synergy
Murmuring Bosk
25% of 28 decks +17% synergy
Temple Garden
25% of 28 decks -15% synergy
Fetid Heath
24% of 125 decks +13% synergy
Orzhov Basilica
24% of 125 decks +8% synergy
Rugged Prairie
23% of 39 decks +12% synergy
Shipwreck Marsh
23% of 13 decks +4% synergy
Deathcap Glade
21% of 28 decks +8% synergy
Overgrown Farmland
21% of 28 decks +5% synergy
Sunpetal Grove
21% of 28 decks -2% synergy