Agatha's Soul Cauldron
Spike Feeder
Karlov of the Ghost Council

   Prerequisites

What do I need to start this combo?
Spike Feeder in exile (Spike Feeder exiled by Agatha's Soul Cauldron in exile).
Agatha's Soul Cauldron and Karlov of the Ghost Council on the battlefield.
Karlov of the Ghost Council has at least one +1/+1 counter on it.

   Steps

How does this combo work?
1
Activate Karlov of the Ghost Council using Spike Feeder's second ability by removing a +1/+1 counter from it, causing you to gain 2 life.
2
Karlov of the Ghost Council triggers, putting two +1/+1 counters on it.
3
Repeat.

   Results

What do I get from this combo?
Infinite +1/+1 counters on Karlov of the Ghost Council
Infinite lifegain
Infinite lifegain triggers
Betor, Ancestor's Voice
0.09% of 6548 decks 6 decks
Atraxa, Praetors' Voice
0.01% of 33818 decks 2 decks
Felothar, Dawn of the Abzan
0.04% of 2603 decks 1 decks
Kodama of the East Tree // Ravos, Soultender
0.37% of 269 decks 1 decks
Kydele, Chosen of Kruphix // Tymna the Weaver
0.15% of 684 decks 1 decks
Kenrith, the Returned King
0.00% of 23653 decks 1 decks
Bruse Tarl, Boorish Herder // Reyhan, Last of the Abzan
0.32% of 308 decks 1 decks
Frodo, Adventurous Hobbit // Sam, Loyal Attendant
0.01% of 18056 decks 1 decks
Tayam, Luminous Enigma
0.02% of 6371 decks 1 decks
New Cards
O'aka, Traveling Merchant
100% of 1 decks +98% synergy
Aerith Gainsborough
50% of 6 decks +48% synergy
Jenova, Ancient Calamity
17% of 6 decks +16% synergy
Wakka, Devoted Guardian
17% of 6 decks +14% synergy
Esper Origins
17% of 6 decks +15% synergy
High Synergy Cards
Archangel of Thune
60% of 15 decks +58% synergy
Walking Ballista
60% of 15 decks +58% synergy
Heliod, Sun-Crowned
60% of 15 decks +57% synergy
Sorin of House Markov
55% of 11 decks +53% synergy
Serra Ascendant
47% of 15 decks +43% synergy
Bloodthirsty Conqueror
45% of 11 decks +42% synergy
Vito, Thorn of the Dusk Rose
47% of 15 decks +41% synergy
Delighted Halfling
53% of 15 decks +41% synergy
Esper Sentinel
60% of 15 decks +40% synergy
Kami of Whispered Hopes
47% of 15 decks +40% synergy
Top Cards
Birds of Paradise
67% of 15 decks +39% synergy
Swords to Plowshares
67% of 15 decks +4% synergy
Sylvan Library
47% of 15 decks +36% synergy
Black Market Connections
47% of 15 decks +35% synergy
Toxic Deluge
47% of 15 decks +28% synergy
Celestine, the Living Saint
40% of 15 decks +39% synergy
Dark Confidant
40% of 15 decks +38% synergy
Haywire Mite
40% of 15 decks +36% synergy
Anguished Unmaking
40% of 15 decks +16% synergy
Enduring Tenacity
36% of 11 decks +33% synergy
Game Changers
Bolas's Citadel
40% of 15 decks +32% synergy
The One Ring
33% of 15 decks +25% synergy
Orcish Bowmasters
27% of 15 decks +18% synergy
Ancient Tomb
27% of 15 decks +17% synergy
Vampiric Tutor
27% of 15 decks +10% synergy
Smothering Tithe
27% of 15 decks +3% synergy
Enlightened Tutor
20% of 15 decks +3% synergy
Demonic Tutor
20% of 15 decks -1% synergy
Creatures
Noble Hierarch
75% of 4 decks +59% synergy
Witch Enchanter
45% of 11 decks +39% synergy
Boggart Trawler
36% of 11 decks +33% synergy
Dina, Soul Steeper
33% of 15 decks +31% synergy
Elves of Deep Shadow
33% of 15 decks +24% synergy
Lotho, Corrupt Shirriff
33% of 15 decks +21% synergy
Kutzil, Malamet Exemplar
29% of 14 decks +14% synergy
Darkstar Augur
27% of 11 decks +26% synergy
Guide of Souls
27% of 11 decks +25% synergy
Valgavoth, Terror Eater
27% of 11 decks +25% synergy
Exemplar of Light
27% of 11 decks +24% synergy
Evolution Witness
27% of 11 decks +24% synergy
Disciple of Freyalise
27% of 11 decks +22% synergy
Crystalline Crawler
27% of 15 decks +26% synergy
Triskelion
27% of 15 decks +26% synergy
Rodolf Duskbringer
27% of 15 decks +25% synergy
Lathiel, the Bounteous Dawn
27% of 15 decks +25% synergy
Doom Whisperer
27% of 15 decks +25% synergy
Devoted Druid
27% of 15 decks +24% synergy
Rishkar, Peema Renegade
27% of 15 decks +22% synergy
Soul Warden
27% of 15 decks +21% synergy
Bloom Tender
27% of 15 decks +19% synergy
Amalia Benavides Aguirre
21% of 14 decks +20% synergy
Elenda's Hierophant
21% of 14 decks +19% synergy
Blossoming Bogbeast
20% of 15 decks +19% synergy
Trelasarra, Moon Dancer
20% of 15 decks +19% synergy
Nykthos Paragon
20% of 15 decks +19% synergy
Rhox Faithmender
20% of 15 decks +18% synergy
Fertilid
20% of 15 decks +18% synergy
Priest of Fell Rites
20% of 15 decks +18% synergy
Essence Warden
20% of 15 decks +17% synergy
Lurrus of the Dream-Den
20% of 15 decks +17% synergy
Vilis, Broker of Blood
20% of 15 decks +17% synergy
Underrealm Lich
20% of 15 decks +17% synergy
Soul's Attendant
20% of 15 decks +16% synergy
Beledros Witherbloom
20% of 15 decks +16% synergy
Ranger-Captain of Eos
20% of 15 decks +16% synergy
Sheoldred, the Apocalypse
20% of 15 decks +15% synergy
Kambal, Consul of Allocation
20% of 15 decks +15% synergy
Deathrite Shaman
20% of 15 decks +8% synergy
Avacyn's Pilgrim
20% of 15 decks +7% synergy
Summon: Ixion
17% of 6 decks +15% synergy
Summon: Fenrir
17% of 6 decks +14% synergy
Instants
Eladamri's Call
33% of 15 decks +23% synergy
Heroic Intervention
33% of 15 decks +3% synergy
Assassin's Trophy
33% of 15 decks +3% synergy
Fell the Profane
27% of 11 decks +19% synergy
Revitalizing Repast
27% of 11 decks +19% synergy
Entomb
27% of 15 decks +19% synergy
Dark Ritual
27% of 15 decks +4% synergy
Path to Exile
27% of 15 decks -20% synergy
Malakir Rebirth
20% of 15 decks +12% synergy
Sorceries
Bala Ged Recovery
27% of 15 decks +18% synergy
Buried Alive
20% of 15 decks +14% synergy
Reanimate
20% of 15 decks +3% synergy
Three Visits
20% of 15 decks -4% synergy
Nature's Lore
20% of 15 decks -12% synergy
Utility Artifacts
Shadowspear
27% of 15 decks +23% synergy
Lightning Greaves
27% of 15 decks +2% synergy
Aetherflux Reservoir
20% of 15 decks +17% synergy
Enchantments
Ripples of Undeath
36% of 11 decks +32% synergy
Authority of the Consuls
27% of 15 decks +22% synergy
Exquisite Blood
27% of 15 decks +21% synergy
Cleric Class
20% of 15 decks +18% synergy
Sanguine Bond
20% of 15 decks +14% synergy
Blind Obedience
20% of 15 decks +13% synergy
Hardened Scales
20% of 15 decks +11% synergy
Planeswalkers
Ajani, Strength of the Pride
20% of 15 decks +19% synergy
Sorin, Vengeful Bloodlord
20% of 15 decks +18% synergy
Utility Lands
Boseiju, Who Endures
33% of 15 decks +15% synergy
Shifting Woodland
27% of 11 decks +20% synergy
Takenuma, Abandoned Mire
27% of 15 decks +17% synergy
Vault of the Archangel
27% of 15 decks +15% synergy
Bojuka Bog
20% of 15 decks -10% synergy
Mana Artifacts
Sol Ring
80% of 15 decks -4% synergy
Arcane Signet
47% of 15 decks -26% synergy
Lands
Temple Garden
87% of 15 decks +48% synergy
Godless Shrine
87% of 15 decks +47% synergy
Command Tower
87% of 15 decks +12% synergy
Overgrown Tomb
80% of 15 decks +39% synergy
Raffine's Tower
75% of 4 decks +49% synergy
Zagoth Triome
75% of 4 decks +46% synergy
Watery Grave
75% of 4 decks +35% synergy
Windswept Heath
73% of 15 decks +63% synergy
Marsh Flats
73% of 15 decks +62% synergy
Verdant Catacombs
73% of 15 decks +62% synergy
Brushland
53% of 15 decks +36% synergy
Llanowar Wastes
53% of 15 decks +27% synergy
Indatha Triome
47% of 15 decks +17% synergy
Caves of Koilos
47% of 15 decks +17% synergy
Flooded Strand
40% of 15 decks +29% synergy
Polluted Delta
40% of 15 decks +28% synergy
Mana Confluence
33% of 15 decks +26% synergy
City of Brass
33% of 15 decks +26% synergy
Misty Rainforest
33% of 15 decks +22% synergy
Bountiful Promenade
33% of 15 decks +10% synergy
Vault of Champions
33% of 15 decks +8% synergy
Woodland Cemetery
33% of 15 decks +3% synergy
Exotic Orchard
33% of 15 decks -3% synergy
Lush Portico
31% of 13 decks +22% synergy
Shadowy Backstreet
31% of 13 decks +21% synergy
Underground Mortuary
31% of 13 decks +18% synergy
Hushwood Verge
27% of 11 decks +18% synergy
Arid Mesa
27% of 15 decks +16% synergy
Bloodstained Mire
27% of 15 decks +16% synergy
Savannah
27% of 15 decks +14% synergy
Bayou
27% of 15 decks +13% synergy
Scrubland
27% of 15 decks +13% synergy
Undergrowth Stadium
27% of 15 decks +1% synergy
Isolated Chapel
27% of 15 decks -4% synergy
Forbidden Orchard
20% of 15 decks +18% synergy
Silent Clearing
20% of 15 decks +15% synergy
Horizon Canopy
20% of 15 decks +15% synergy
Reflecting Pool
20% of 15 decks +15% synergy
Nurturing Peatland
20% of 15 decks +15% synergy
Wooded Foothills
20% of 15 decks +10% synergy
Twilight Mire
20% of 15 decks +9% synergy
Path of Ancestry
20% of 15 decks -2% synergy
Sunpetal Grove
20% of 15 decks -6% synergy
Sandsteppe Citadel
20% of 15 decks -7% synergy