Prowling Geistcatcher + Kiki-Jiki, Mirror Breaker + Phyrexian Altar

Prowling Geistcatcher
Kiki-Jiki, Mirror Breaker
Phyrexian Altar

Requires
Prowling Geistcatcher must be on the battlefield. Kiki-Jiki, Mirror Breaker must be on the battlefield. Phyrexian 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 Phyrexian Altar by sacrificing Kiki-Jiki, adding one mana of any color.
  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 Phyrexian Altar by sacrificing the Prowling Geistcatcher token, adding one mana of any color.
  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 colored mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Grenzo, Dungeon Warden
0.64% of 3267 decks 21 decks
Alesha, Who Smiles at Death
0.19% of 5882 decks 11 decks
Rakdos, the Muscle
0.16% of 2546 decks 4 decks
The Beast, Deathless Prince
0.52% of 580 decks 3 decks
Wort, Boggart Auntie
0.16% of 1858 decks 3 decks
Kethek, Crucible Goliath
0.35% of 867 decks 3 decks
Henzie "Toolbox" Torre
0.01% of 14573 decks 2 decks
Juri, Master of the Revue
0.04% of 5323 decks 2 decks
Chainer, Nightmare Adept
0.06% of 3170 decks 2 decks
Valki, God of Lies
0.12% of 1683 decks 2 decks
Garna, Bloodfist of Keld
0.06% of 1728 decks 1 decks
Extus, Oriq Overlord
0.02% of 5240 decks 1 decks
Caesar, Legion's Emperor
0.01% of 8232 decks 1 decks
Prossh, Skyraider of Kher
0.02% of 5151 decks 1 decks
Dargo, the Shipwrecker // Tormod, the Desecrator
0.71% of 141 decks 1 decks
Kroxa and Kunoros
0.05% of 2001 decks 1 decks
Sauron, the Lidless Eye
0.25% of 400 decks 1 decks
Kraum, Ludevic's Opus // Tevesh Szat, Doom of Fools
0.06% of 1578 decks 1 decks
New Cards
Withering Torment
60% of 5 decks +38% synergy
Fear of Missing Out
25% of 16 decks +23% synergy
High Synergy Cards
Karmic Guide
87% of 15 decks +82% synergy
Riveteers Ascendancy
80% of 5 decks +75% synergy
Viscera Seer
75% of 65 decks +66% synergy
Fiend Hunter
67% of 15 decks +65% synergy
Felidar Guardian
67% of 15 decks +64% synergy
Ashnod's Altar
69% of 65 decks +62% synergy
Reveillark
60% of 15 decks +58% synergy
Pitiless Plunderer
57% of 65 decks +49% synergy
Welcoming Vampire
53% of 15 decks +48% synergy
Cruel Celebrant
53% of 15 decks +45% synergy
Top Cards
Beast Within
80% of 5 decks +41% synergy
Swords to Plowshares
73% of 15 decks +11% synergy
Warren Soultrader
50% of 20 decks +43% synergy
Elas il-Kor, Sadistic Pilgrim
50% of 14 decks +38% synergy
Goblin Bombardment
48% of 65 decks +41% synergy
Selfless Spirit
47% of 15 decks +42% synergy
Zulaport Cutthroat
46% of 65 decks +36% synergy
Tomb Trawler
45% of 20 decks +45% synergy
Barkform Harvester
44% of 16 decks +43% synergy
Zealous Conscripts
43% of 65 decks +41% synergy
Creatures
Primeval Herald
100% of 3 decks +99% synergy
Witch Enchanter
75% of 4 decks +65% synergy
Rampant Rejuvenator
60% of 5 decks +59% synergy
Druid of Purification
60% of 5 decks +58% synergy
Selvala, Heart of the Wilds
60% of 5 decks +55% synergy
Ignoble Hierarch
60% of 5 decks +34% synergy
Birds of Paradise
60% of 5 decks +33% synergy
Pawn of Ulamog
43% of 65 decks +41% synergy
Imperial Recruiter
43% of 65 decks +37% synergy
Blood Artist
43% of 65 decks +31% synergy
Solemn Simulacrum
43% of 65 decks +29% synergy
Delney, Streetwise Lookout
43% of 7 decks +38% synergy
Recruiter of the Guard
40% of 15 decks +37% synergy
Marionette Apprentice
40% of 20 decks +32% synergy
Sun Titan
40% of 15 decks +29% synergy
Pinnacle Monk
39% of 18 decks +31% synergy
Murderous Redcap
38% of 65 decks +37% synergy
Dockside Extortionist
38% of 65 decks +26% synergy
Carmen, Cruel Skymarcher
38% of 8 decks +33% synergy
Hoverstone Pilgrim
37% of 35 decks +37% synergy
Carrion Feeder
37% of 65 decks +32% synergy
Loran of the Third Path
36% of 14 decks +28% synergy
Skyclave Apparition
33% of 15 decks +30% synergy
Boggart Trawler
33% of 18 decks +28% synergy
Priest of Urabrask
32% of 65 decks +32% synergy
Sling-Gang Lieutenant
32% of 65 decks +32% synergy
Priest of Gix
31% of 65 decks +30% synergy
Yawgmoth, Thran Physician
31% of 65 decks +27% synergy
Workhorse
29% of 65 decks +29% synergy
Skirk Prospector
28% of 65 decks +25% synergy
Preston, the Vanisher
27% of 11 decks +26% synergy
Jirina, Dauntless General
27% of 11 decks +26% synergy
Agate Instigator
27% of 11 decks +18% synergy
Lotho, Corrupt Shirriff
27% of 11 decks +12% synergy
Orcish Bowmasters
27% of 48 decks +16% synergy
Leonin Relic-Warder
27% of 15 decks +26% synergy
Village Bell-Ringer
27% of 15 decks +26% synergy
Corpse Knight
27% of 15 decks +21% synergy
Grand Abolisher
27% of 15 decks +18% synergy
Esper Sentinel
27% of 15 decks +6% synergy
Ravenous Chupacabra
26% of 65 decks +22% synergy
Anger
26% of 65 decks +20% synergy
Gray Merchant of Asphodel
26% of 65 decks +17% synergy
Mayhem Devil
25% of 65 decks +15% synergy
Treasonous Ogre
23% of 65 decks +22% synergy
Siege-Gang Commander
23% of 65 decks +21% synergy
Accursed Marauder
22% of 18 decks +13% synergy
Grim Haruspex
22% of 65 decks +17% synergy
Luminous Broodmoth
20% of 15 decks +18% synergy
Goblin Matron
20% of 65 decks +18% synergy
Instants
Teferi's Protection
40% of 15 decks +20% synergy
Boros Charm
33% of 15 decks +8% synergy
Path to Exile
33% of 15 decks -12% synergy
Fell the Profane
30% of 20 decks +18% synergy
Chaos Warp
29% of 65 decks -3% synergy
Vampiric Tutor
28% of 65 decks +9% synergy
Anguished Unmaking
27% of 15 decks +3% synergy
Deadly Dispute
25% of 65 decks +13% synergy
Valakut Awakening
23% of 65 decks +17% synergy
Village Rites
23% of 65 decks +13% synergy
Deflecting Swat
22% of 65 decks +5% synergy
Ephemerate
20% of 15 decks +14% synergy
Silence
20% of 15 decks +14% synergy
Crackling Doom
20% of 15 decks +12% synergy
Entomb
18% of 65 decks +11% synergy
Deadly Rollick
18% of 65 decks +8% synergy
Bedevil
18% of 65 decks +4% synergy
Dark Ritual
18% of 65 decks -4% synergy
Malakir Rebirth
17% of 65 decks +9% synergy
Rakdos Charm
14% of 65 decks -0% synergy
Saw in Half
13% of 62 decks +10% synergy
Burnt Offering
11% of 65 decks +9% synergy
Culling the Weak
11% of 65 decks +7% synergy
Nasty End
10% of 48 decks +8% synergy
Pyroblast
9% of 65 decks +3% synergy
Red Elemental Blast
9% of 65 decks +3% synergy
Terminate
9% of 65 decks -12% synergy
Corrupted Conviction
8% of 49 decks +2% synergy
Reckoner's Bargain
8% of 63 decks +6% synergy
Act of Aggression
8% of 65 decks +7% synergy
Kazuul's Fury
8% of 65 decks +5% synergy
Tibalt's Trickery
8% of 65 decks +2% synergy
Abrade
8% of 65 decks -4% synergy
First Day of Class
6% of 65 decks +6% synergy
Fire Prophecy
6% of 65 decks +6% synergy
Sorceries
Sevinne's Reclamation
33% of 15 decks +26% synergy
Demonic Tutor
31% of 65 decks +8% synergy
Blasphemous Act
26% of 65 decks -7% synergy
Reanimate
25% of 65 decks +9% synergy
Faithless Looting
25% of 65 decks +8% synergy
Diabolic Intent
23% of 65 decks +14% synergy
Vandalblast
20% of 65 decks +4% synergy
Damn
20% of 15 decks +3% synergy
Ruinous Ultimatum
20% of 15 decks +2% synergy
Victimize
18% of 65 decks +7% synergy
Jeska's Will
18% of 65 decks +1% synergy
Agadeem's Awakening
17% of 65 decks +13% synergy
Seize the Spotlight
16% of 63 decks +14% synergy
Buried Alive
15% of 65 decks +10% synergy
Toxic Deluge
14% of 65 decks -4% synergy
Mob Rule
12% of 65 decks +11% synergy
Gamble
12% of 65 decks +2% synergy
Furnace Reins
12% of 51 decks +11% synergy
Twisted Fealty
12% of 43 decks +11% synergy
Kari Zev's Expertise
11% of 65 decks +10% synergy
Feed the Swarm
11% of 65 decks -7% synergy
Mass Mutiny
9% of 65 decks +9% synergy
Song-Mad Treachery
9% of 65 decks +9% synergy
Insurrection
9% of 65 decks +8% synergy
Read the Bones
9% of 65 decks +1% synergy
Traitorous Greed
8% of 65 decks +7% synergy
Claim the Firstborn
8% of 65 decks +7% synergy
Act of Treason
8% of 65 decks +7% synergy
Cathartic Reunion
8% of 65 decks +4% synergy
Living Death
8% of 65 decks +2% synergy
Imperial Seal
8% of 65 decks +2% synergy
Beseech the Mirror
7% of 44 decks +3% synergy
Harness by Force
6% of 65 decks +6% synergy
Traitorous Blood
6% of 65 decks +6% synergy
Bloody Betrayal
6% of 65 decks +6% synergy
Doomsday
6% of 65 decks +6% synergy
Shatterskull Smashing
6% of 65 decks +3% synergy
Dread Return
6% of 65 decks +1% synergy
Damnation
6% of 65 decks -2% synergy
Into the Fire
6% of 51 decks +5% synergy
Utility Artifacts
Skullclamp
40% of 65 decks +28% synergy
Altar of Dementia
32% of 65 decks +29% synergy
Heartstone
26% of 65 decks +26% synergy
Lightning Greaves
23% of 65 decks -2% synergy
Tel-Jilad Stylus
15% of 65 decks +15% synergy
Swiftfoot Boots
14% of 65 decks -14% synergy
The Cauldron of Eternity
12% of 65 decks +12% synergy
Urabrask's Forge
9% of 53 decks +8% synergy
Nim Deathmantle
9% of 65 decks +9% synergy
Mimic Vat
8% of 65 decks +7% synergy
Bolas's Citadel
8% of 65 decks -2% synergy
Wayfarer's Bauble
8% of 65 decks -3% synergy
Vat of Rebirth
6% of 52 decks +3% synergy
Enchantments
Burgeoning
60% of 5 decks +56% synergy
Reconnaissance
40% of 15 decks +38% synergy
Smothering Tithe
27% of 15 decks +2% synergy
Animate Dead
22% of 65 decks +12% synergy
Fable of the Mirror-Breaker
14% of 63 decks +12% synergy
Flameshadow Conjuring
11% of 65 decks +9% synergy
Dictate of Erebos
11% of 65 decks +7% synergy
Grave Pact
11% of 65 decks +6% synergy
Bastion of Remembrance
11% of 65 decks +5% synergy
Impact Tremors
11% of 65 decks +1% synergy
Black Market Connections
10% of 63 decks -1% synergy
Industrial Advancement
8% of 63 decks +7% synergy
Necromancy
8% of 65 decks +5% synergy
Phyrexian Reclamation
8% of 65 decks +4% synergy
Underworld Breach
8% of 65 decks +2% synergy
Shifting Shadow
6% of 65 decks +6% synergy
Braid of Fire
6% of 65 decks +5% synergy
Mana Echoes
6% of 65 decks +5% synergy
Blood Moon
6% of 65 decks +3% synergy
Warstorm Surge
6% of 65 decks +1% synergy
Planeswalkers
Tevesh Szat, Doom of Fools
8% of 65 decks +6% synergy
Utility Lands
Phyrexian Tower
42% of 65 decks +33% synergy
Urborg, Tomb of Yawgmoth
40% of 65 decks +30% synergy
High Market
29% of 65 decks +26% synergy
Bojuka Bog
29% of 65 decks -1% synergy
Takenuma, Abandoned Mire
27% of 63 decks +16% synergy
Ancient Tomb
26% of 65 decks +16% synergy
Eiganjo, Seat of the Empire
21% of 14 decks +12% synergy
Urza's Saga
20% of 65 decks +13% synergy
Reliquary Tower
17% of 65 decks -13% synergy
Sokenzan, Crucible of Defiance
16% of 63 decks +11% synergy
Castle Locthwain
15% of 65 decks +10% synergy
Cabal Coffers
15% of 65 decks +4% synergy
Command Beacon
11% of 65 decks +6% synergy
Shizo, Death's Storehouse
11% of 65 decks +6% synergy
Spinerock Knoll
9% of 65 decks +5% synergy
Mortuary Mire
9% of 65 decks +4% synergy
Zhalfirin Void
8% of 65 decks +7% synergy
Castle Embereth
8% of 65 decks +4% synergy
Vault of Whispers
8% of 65 decks +3% synergy
Buried Ruin
8% of 65 decks +2% synergy
Nykthos, Shrine to Nyx
8% of 65 decks +2% synergy
Great Furnace
8% of 65 decks +2% synergy
Rogue's Passage
8% of 65 decks -12% synergy
Hanweir Battlements
6% of 65 decks +5% synergy
Mana Artifacts
Sol Ring
92% of 65 decks +8% synergy
Arcane Signet
66% of 65 decks -6% synergy
Talisman of Hierarchy
47% of 15 decks +22% synergy
Talisman of Conviction
40% of 15 decks +17% synergy
Rakdos Signet
38% of 65 decks +9% synergy
Talisman of Indulgence
35% of 65 decks +9% synergy
Boros Signet
33% of 15 decks +10% synergy
Orzhov Signet
27% of 15 decks -1% synergy
Fellwar Stone
25% of 65 decks +4% synergy
Mana Crypt
20% of 65 decks +11% synergy
Mind Stone
17% of 65 decks -1% synergy
Chrome Mox
12% of 65 decks +6% synergy
Jeweled Lotus
9% of 65 decks +3% synergy
Commander's Sphere
9% of 65 decks -6% synergy
Thran Turbine
8% of 65 decks +8% synergy
Thought Vessel
6% of 65 decks -11% synergy
Lands
Command Tower
95% of 65 decks +22% synergy
Sacred Foundry
87% of 15 decks +50% synergy
Godless Shrine
80% of 15 decks +39% synergy
Stormcarved Coast
75% of 4 decks +58% synergy
Spectator Seating
67% of 15 decks +41% synergy
Savai Triome
67% of 15 decks +39% synergy
Blood Crypt
63% of 65 decks +24% synergy
Vault of Champions
60% of 15 decks +34% synergy
Undergrowth Stadium
60% of 5 decks +34% synergy
Ziatora's Proving Ground
60% of 5 decks +28% synergy
Cinder Glade
60% of 5 decks +22% synergy
Stomping Ground
60% of 5 decks +19% synergy
Dragonskull Summit
55% of 65 decks +25% synergy
Luxury Suite
51% of 65 decks +24% synergy
Bloodstained Mire
48% of 65 decks +37% synergy
Battlefield Forge
47% of 15 decks +21% synergy
Haunted Ridge
46% of 65 decks +30% synergy
Blightstep Pathway
45% of 65 decks +35% synergy
Smoldering Marsh
45% of 65 decks +12% synergy
Sulfurous Springs
43% of 65 decks +23% synergy
Elegant Parlor
43% of 7 decks +34% synergy
Shadowy Backstreet
43% of 7 decks +29% synergy
Isolated Chapel
40% of 15 decks +13% synergy
Clifftop Retreat
40% of 15 decks +12% synergy
Exotic Orchard
37% of 65 decks +1% synergy
Nomad Outpost
33% of 15 decks +6% synergy
Caves of Koilos
33% of 15 decks +5% synergy
Arid Mesa
31% of 65 decks +20% synergy
Tainted Peak
28% of 65 decks +18% synergy
Marsh Flats
28% of 65 decks +16% synergy
Needleverge Pathway
27% of 15 decks +17% synergy
Brightclimb Pathway
27% of 15 decks +16% synergy
Scrubland
27% of 15 decks +13% synergy
Graven Cairns
26% of 65 decks +18% synergy
Temple of Malice
26% of 65 decks +12% synergy
Rakdos Carnarium
25% of 65 decks +10% synergy
Foreboding Ruins
25% of 65 decks +9% synergy
Wooded Foothills
23% of 65 decks +13% synergy
Shadowblood Ridge
23% of 65 decks +11% synergy
Raucous Theater
23% of 26 decks +10% synergy
Badlands
23% of 65 decks +10% synergy
Lazotep Quarry
22% of 18 decks +21% synergy
Mount Doom
22% of 51 decks +14% synergy
Rugged Prairie
20% of 15 decks +9% synergy
Verdant Catacombs
20% of 65 decks +9% synergy
Plateau
20% of 15 decks +7% synergy
Sundown Pass
20% of 15 decks +5% synergy
Scalding Tarn
18% of 65 decks +7% synergy
Polluted Delta
18% of 65 decks +7% synergy
Blackcleave Cliffs
15% of 65 decks +10% synergy