Prowling Geistcatcher + Kiki-Jiki, Mirror Breaker + Ashnod's Altar

Prowling Geistcatcher
Kiki-Jiki, Mirror Breaker
Ashnod's Altar

Requires
Prowling Geistcatcher must be on the battlefield. Kiki-Jiki, Mirror Breaker must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Kiki-Jiki by tapping it, creating a token copy of Prowling Geistcatcher with haste.
  2. Activate Ashnod's Altar by sacrificing Kiki-Jiki, adding .
  3. When Kiki-Jiki dies, the nontoken and token Prowling Geistcatcher's first abilities trigger.
  4. Resolve the token Prowling Geistcatcher's trigger, exiling Kiki-Jiki from your graveyard.
  5. Resolve the nontoken Prowling Geistcatcher's trigger, doing nothing.
  6. Activate Ashnod'sAltar by sacrificing the Prowling Geistcatcher token, adding .
  7. When the token Prowling Geistcatcher dies, its second ability and the nontoken Prowling Geistcatcher's first ability triggers.
  8. Resolve the nontoken Prowling Geistcatcher trigger, putting a +1/+1 counter on it.
  9. Resolve the token Prowling Geistcatcher trigger, returning Kiki-Jiki from exile to the battlefield.
  10. Repeat.
Results
Infinite +1/+1 counters on Prowling Geistcatcher. Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Grenzo, Dungeon Warden
2.98% of 3286 decks 98 decks
Alesha, Who Smiles at Death
0.27% of 5907 decks 16 decks
Rakdos, the Muscle
0.38% of 2869 decks 11 decks
The Beast, Deathless Prince
1.66% of 604 decks 10 decks
Kethek, Crucible Goliath
1.11% of 904 decks 10 decks
Henzie "Toolbox" Torre
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Garna, Bloodfist of Keld
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Prossh, Skyraider of Kher
0.04% of 5185 decks 2 decks
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Ayara, Widow of the Realm
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Chainer, Nightmare Adept
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Valki, God of Lies
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Zevlor, Elturel Exile
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Sek'Kuar, Deathkeeper
0.07% of 1351 decks 1 decks
Tana, the Bloodsower // Tymna the Weaver
0.03% of 2874 decks 1 decks
Thraximundar
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Totentanz, Swarm Piper
0.04% of 2830 decks 1 decks
Goro-Goro and Satoru
0.01% of 7333 decks 1 decks
New Cards
Rev, Tithe Extractor
50% of 8 decks +45% synergy
Withering Torment
29% of 14 decks +9% synergy
Blazemire Verge
26% of 19 decks +6% synergy
Enduring Courage
21% of 14 decks +12% synergy
High Synergy Cards
Karmic Guide
89% of 18 decks +84% synergy
Reveillark
78% of 18 decks +76% synergy
Barkform Harvester
73% of 51 decks +72% synergy
Fiend Hunter
72% of 18 decks +71% synergy
Riveteers Ascendancy
75% of 8 decks +70% synergy
Viscera Seer
79% of 167 decks +70% synergy
Pitiless Plunderer
71% of 167 decks +64% synergy
Pawn of Ulamog
65% of 167 decks +62% synergy
Tomb Trawler
61% of 72 decks +61% synergy
Birthing Pod
62% of 8 decks +60% synergy
Top Cards
Swords to Plowshares
78% of 18 decks +15% synergy
Ignoble Hierarch
62% of 8 decks +37% synergy
Birds of Paradise
62% of 8 decks +35% synergy
Felidar Guardian
61% of 18 decks +59% synergy
Warren Soultrader
61% of 66 decks +53% synergy
Zealous Conscripts
59% of 167 decks +57% synergy
Workhorse
53% of 167 decks +53% synergy
Priest of Urabrask
53% of 167 decks +52% synergy
Heartstone
53% of 167 decks +52% synergy
Zulaport Cutthroat
53% of 167 decks +43% synergy
Creatures
Witch Enchanter
60% of 5 decks +50% synergy
Murderous Redcap
50% of 167 decks +49% synergy
Korvold, Fae-Cursed King
50% of 8 decks +46% synergy
Selfless Spirit
50% of 18 decks +46% synergy
Sakura-Tribe Elder
50% of 8 decks +32% synergy
Eternal Witness
50% of 8 decks +29% synergy
Solemn Simulacrum
50% of 167 decks +36% synergy
Pinnacle Monk
49% of 61 decks +42% synergy
Siege-Gang Commander
49% of 167 decks +47% synergy
Hoverstone Pilgrim
48% of 93 decks +48% synergy
Woe Strider
47% of 167 decks +44% synergy
Goblin Engineer
47% of 167 decks +43% synergy
Boggart Trawler
46% of 65 decks +41% synergy
Priest of Gix
46% of 167 decks +46% synergy
Delney, Streetwise Lookout
44% of 9 decks +40% synergy
Welcoming Vampire
44% of 18 decks +39% synergy
Cruel Celebrant
44% of 18 decks +36% synergy
Sun Titan
44% of 18 decks +34% synergy
Imperial Recruiter
44% of 167 decks +38% synergy
Marionette Apprentice
44% of 66 decks +36% synergy
Sling-Gang Lieutenant
44% of 167 decks +43% synergy
Skirk Prospector
43% of 167 decks +40% synergy
Gray Merchant of Asphodel
43% of 167 decks +33% synergy
Loran of the Third Path
40% of 15 decks +33% synergy
Treasonous Ogre
39% of 167 decks +37% synergy
Palladium Myr
39% of 167 decks +37% synergy
Recruiter of the Guard
39% of 18 decks +36% synergy
Emrakul's Hatcher
38% of 167 decks +38% synergy
Anger
38% of 167 decks +32% synergy
Protean Hulk
38% of 8 decks +36% synergy
Avenger of Zendikar
38% of 8 decks +28% synergy
Elas il-Kor, Sadistic Pilgrim
38% of 16 decks +26% synergy
Llanowar Elves
38% of 8 decks +17% synergy
Goblin Welder
37% of 167 decks +34% synergy
Metallic Mimic
34% of 167 decks +32% synergy
Marionette Master
34% of 167 decks +30% synergy
Ornithopter of Paradise
34% of 167 decks +29% synergy
Skyclave Apparition
33% of 18 decks +30% synergy
Leaden Myr
33% of 167 decks +31% synergy
Iron Myr
33% of 167 decks +30% synergy
Ravenous Chupacabra
32% of 167 decks +28% synergy
Blood Artist
32% of 167 decks +20% synergy
Epitaph Golem
31% of 167 decks +31% synergy
Chainer, Nightmare Adept
31% of 167 decks +26% synergy
Grim Servant
30% of 66 decks +29% synergy
Goblin Matron
29% of 167 decks +27% synergy
Carrion Feeder
29% of 167 decks +24% synergy
Bronze Walrus
28% of 162 decks +28% synergy
Meteor Golem
28% of 167 decks +26% synergy
Leonin Relic-Warder
28% of 18 decks +27% synergy
Instants
Valakut Awakening
39% of 167 decks +33% synergy
Anguished Unmaking
39% of 18 decks +15% synergy
Teferi's Protection
33% of 18 decks +13% synergy
Path to Exile
33% of 18 decks -12% synergy
Boros Charm
28% of 18 decks +3% synergy
Generous Gift
28% of 18 decks +2% synergy
Fell the Profane
23% of 66 decks +11% synergy
Deadly Dispute
21% of 167 decks +10% synergy
Chaos Warp
21% of 167 decks -11% synergy
Dark Ritual
19% of 167 decks -4% synergy
Village Rites
18% of 167 decks +8% synergy
Vampiric Tutor
18% of 167 decks -0% synergy
Malakir Rebirth
17% of 167 decks +9% synergy
Silence
17% of 18 decks +10% synergy
Crackling Doom
17% of 18 decks +9% synergy
Wear // Tear
17% of 18 decks +9% synergy
Bedevil
14% of 167 decks -1% synergy
Rakdos Charm
12% of 167 decks -2% synergy
Deflecting Swat
12% of 167 decks -4% synergy
Corrupted Conviction
12% of 126 decks +6% synergy
Volcanic Spite
11% of 126 decks +11% synergy
Burnt Offering
11% of 167 decks +9% synergy
Act of Aggression
10% of 167 decks +10% synergy
Fire Prophecy
10% of 167 decks +10% synergy
Deadly Rollick
10% of 167 decks -1% synergy
Entomb
9% of 167 decks +2% synergy
Nasty End
9% of 124 decks +6% synergy
Reckoner's Bargain
9% of 163 decks +7% synergy
Terminate
8% of 167 decks -12% synergy
Fling
8% of 167 decks +6% synergy
Culling the Weak
7% of 167 decks +3% synergy
Kazuul's Fury
7% of 167 decks +4% synergy
Saw in Half
7% of 153 decks +4% synergy
Tibalt's Trickery
5% of 167 decks -0% synergy
Abrade
5% of 167 decks -6% synergy
Sorceries
Rampant Growth
38% of 8 decks +3% synergy
Cultivate
38% of 8 decks -9% synergy
Demonic Tutor
22% of 167 decks -1% synergy
Blasphemous Act
20% of 167 decks -14% synergy
Victimize
18% of 167 decks +6% synergy
Diabolic Intent
17% of 167 decks +9% synergy
Slaughter the Strong
17% of 18 decks +15% synergy
Day of Judgment
17% of 18 decks +15% synergy
Dusk // Dawn
17% of 18 decks +13% synergy
Austere Command
17% of 18 decks +4% synergy
Ruinous Ultimatum
17% of 18 decks -2% synergy
Agadeem's Awakening
16% of 167 decks +12% synergy
Dread Return
15% of 167 decks +10% synergy
Reanimate
15% of 167 decks -1% synergy
Toxic Deluge
14% of 167 decks -3% synergy
Mob Rule
13% of 167 decks +12% synergy
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13% of 167 decks +12% synergy
Faithless Looting
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12% of 163 decks +11% synergy
Furnace Reins
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Mass Mutiny
12% of 167 decks +11% synergy
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Twisted Fealty
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Gamble
11% of 167 decks +1% synergy
Insurrection
11% of 167 decks +9% synergy
Doomsday
10% of 167 decks +10% synergy
Living Death
10% of 167 decks +5% synergy
Claim the Firstborn
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Into the Fire
8% of 131 decks +8% synergy
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Traitorous Blood
8% of 167 decks +8% synergy
Sundering Eruption
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Buried Alive
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Bloody Betrayal
7% of 166 decks +6% synergy
Harness by Force
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Hijack
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Song-Mad Treachery
6% of 167 decks +5% synergy
Ensnared by the Mara
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5% of 167 decks +5% synergy
Shatterskull Smashing
5% of 167 decks +2% synergy
Utility Artifacts
Tel-Jilad Stylus
35% of 167 decks +35% synergy
The Cauldron of Eternity
31% of 167 decks +31% synergy
Phyrexian Altar
28% of 167 decks +24% synergy
Skullclamp
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Lightning Greaves
17% of 167 decks -9% synergy
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16% of 167 decks +15% synergy
Altar of Dementia
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Thornbite Staff
13% of 167 decks +12% synergy
Swiftfoot Boots
8% of 167 decks -19% synergy
Mimic Vat
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Wayfarer's Bauble
7% of 167 decks -3% synergy
Reito Lantern
7% of 167 decks +7% synergy
Desecrated Tomb
7% of 167 decks +6% synergy
Tarrian's Journal
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Cloak and Dagger
6% of 167 decks +6% synergy
Teferi's Puzzle Box
5% of 167 decks +4% synergy
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Goblin Bombardment
28% of 167 decks +22% synergy
Reconnaissance
28% of 18 decks +26% synergy
Cathars' Crusade
28% of 18 decks +22% synergy
Smothering Tithe
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Animate Dead
13% of 167 decks +3% synergy
Mana Echoes
11% of 167 decks +10% synergy
Fable of the Mirror-Breaker
9% of 163 decks +7% synergy
Fires of Invention
9% of 167 decks +9% synergy
Braid of Fire
8% of 167 decks +7% synergy
Impact Tremors
7% of 167 decks -2% synergy
Carnival of Souls
7% of 167 decks +6% synergy
Grave Pact
7% of 167 decks +2% synergy
Industrial Advancement
6% of 163 decks +5% synergy
Bastion of Remembrance
6% of 167 decks -0% synergy
Chthonian Nightmare
6% of 68 decks +3% synergy
Dictate of Erebos
5% of 167 decks +2% synergy
Planeswalkers
Sarkhan Vol
38% of 8 decks +37% synergy
Tevesh Szat, Doom of Fools
6% of 167 decks +5% synergy
Utility Lands
Phyrexian Tower
46% of 167 decks +37% synergy
Urborg, Tomb of Yawgmoth
35% of 167 decks +26% synergy
Buried Ruin
31% of 167 decks +26% synergy
Bojuka Bog
31% of 167 decks +1% synergy
Ancient Tomb
28% of 167 decks +17% synergy
Great Furnace
25% of 167 decks +19% synergy
Vault of Whispers
23% of 167 decks +19% synergy
Zhalfirin Void
23% of 167 decks +22% synergy
Takenuma, Abandoned Mire
22% of 163 decks +12% synergy
High Market
21% of 167 decks +18% synergy
Eiganjo, Seat of the Empire
19% of 16 decks +10% synergy
Nykthos, Shrine to Nyx
17% of 167 decks +12% synergy
Urza's Saga
15% of 167 decks +8% synergy
Spinerock Knoll
13% of 167 decks +9% synergy
Inventors' Fair
13% of 167 decks +9% synergy
Sokenzan, Crucible of Defiance
12% of 163 decks +7% synergy
Arena of Glory
11% of 64 decks +2% synergy
Cabal Coffers
10% of 167 decks -1% synergy
Reliquary Tower
9% of 167 decks -21% synergy
Three Tree City
8% of 51 decks -2% synergy
Homeward Path
7% of 167 decks +5% synergy
Command Beacon
6% of 167 decks +1% synergy
Mortuary Mire
6% of 167 decks +1% synergy
Castle Locthwain
6% of 167 decks +1% synergy
Temple of the False God
6% of 167 decks -4% synergy
Rogue's Passage
6% of 167 decks -13% synergy
Drownyard Temple
5% of 167 decks +5% synergy
Mana Artifacts
Sol Ring
90% of 167 decks +6% synergy
Arcane Signet
51% of 167 decks -21% synergy
Boros Signet
39% of 18 decks +15% synergy
Rakdos Signet
36% of 167 decks +6% synergy
Orzhov Signet
33% of 18 decks +6% synergy
Talisman of Hierarchy
28% of 18 decks +3% synergy
Talisman of Indulgence
27% of 167 decks +1% synergy
Talisman of Conviction
22% of 18 decks -1% synergy
Fellwar Stone
16% of 167 decks -5% synergy
Chrome Mox
14% of 167 decks +7% synergy
Thran Turbine
12% of 167 decks +12% synergy
Mana Crypt
11% of 167 decks +2% synergy
Mind Stone
9% of 167 decks -8% synergy
Commander's Sphere
8% of 167 decks -7% synergy
Lotus Petal
8% of 167 decks +1% synergy
Mox Diamond
6% of 167 decks +2% synergy
Jeweled Lotus
6% of 167 decks +0% synergy
Lands
Command Tower
92% of 167 decks +18% synergy
Godless Shrine
83% of 18 decks +43% synergy
Sacred Foundry
72% of 18 decks +36% synergy
Savage Lands
62% of 8 decks +39% synergy
Blood Crypt
60% of 167 decks +22% synergy
Dragonskull Summit
57% of 167 decks +26% synergy
Vault of Champions
56% of 18 decks +30% synergy
Sulfurous Springs
51% of 167 decks +31% synergy
Spectator Seating
50% of 18 decks +25% synergy
Savai Triome
50% of 18 decks +23% synergy
Ziatora's Proving Ground
50% of 8 decks +18% synergy
Overgrown Tomb
50% of 8 decks +8% synergy
Luxury Suite
50% of 167 decks +23% synergy
Smoldering Marsh
49% of 167 decks +17% synergy
Caves of Koilos
44% of 18 decks +16% synergy
Clifftop Retreat
44% of 18 decks +16% synergy
Bloodstained Mire
44% of 167 decks +34% synergy
Graven Cairns
41% of 167 decks +33% synergy
Isolated Chapel
39% of 18 decks +11% synergy
Twilight Mire
38% of 8 decks +28% synergy
Bayou
38% of 8 decks +24% synergy
Stomping Ground
38% of 8 decks -4% synergy
Blightstep Pathway
37% of 167 decks +27% synergy
Temple of Malice
37% of 167 decks +22% synergy
Battlefield Forge
33% of 18 decks +8% synergy
Nomad Outpost
33% of 18 decks +6% synergy
Exotic Orchard
28% of 167 decks -7% synergy
Crystal Grotto
28% of 157 decks +27% synergy
The Grey Havens
27% of 116 decks +25% synergy
Shadowblood Ridge
26% of 167 decks +14% synergy
Foreboding Ruins
26% of 167 decks +10% synergy
Rakdos Carnarium
25% of 167 decks +10% synergy
Haunted Ridge
25% of 167 decks +9% synergy
Tainted Peak
23% of 167 decks +13% synergy
Arid Mesa
23% of 167 decks +12% synergy
Orzhov Basilica
22% of 18 decks +6% synergy
Marsh Flats
22% of 167 decks +10% synergy
Badlands
22% of 167 decks +8% synergy
Path of Ancestry
22% of 167 decks +0% synergy
Polluted Delta
17% of 167 decks +6% synergy
Raucous Theater
17% of 82 decks +4% synergy
Concealed Courtyard
17% of 18 decks +11% synergy
Needleverge Pathway
17% of 18 decks +7% synergy
Brightclimb Pathway
17% of 18 decks +6% synergy
Plateau
17% of 18 decks +4% synergy
Lazotep Quarry
16% of 61 decks +15% synergy
Scalding Tarn
16% of 167 decks +5% synergy
Wooded Foothills
15% of 167 decks +5% synergy
Cavern of Souls
14% of 167 decks +7% synergy
Verdant Catacombs
14% of 167 decks +3% synergy