Agatha's Soul Cauldron + Spike Feeder + Celestial Unicorn

Agatha's Soul Cauldron
Spike Feeder
Celestial Unicorn

Requires
Agatha's Soul Cauldron must be on the battlefield. Spike Feeder must be in exile (exiled by Agatha's Soul Cauldron). Celestial Unicorn must be on the battlefield. Celestial Unicorn has at least one +1/+1 counter on it.
Steps
  1. Activate Celestial Unicorn using Spike Feeder's second ability by removing a +1/+1 counter from it, causing you to gain 2 life.
  2. Celestial Unicorn triggers, putting a +1/+1 counter on it.
  3. Repeat.
Results
Infinite lifegain. Infinite lifegain triggers.

Lathiel, the Bounteous Dawn
0.13% of 4468 decks 6 decks
Shalai and Hallar
0.01% of 8221 decks 1 decks
Kenrith, the Returned King
0.00% of 20704 decks 1 decks
Atraxa, Praetors' Voice
0.00% of 34337 decks 1 decks
New Cards
Innkeeper's Talent
100% of 1 decks +94% synergy
Leyline of Hope
100% of 1 decks +100% synergy
Byrke, Long Ear of the Law
17% of 6 decks +16% synergy
Top Cards
Archangel of Thune
89% of 9 decks +88% synergy
Voice of the Blessed
78% of 9 decks +77% synergy
Conclave Mentor
78% of 9 decks +77% synergy
Cleric Class
67% of 9 decks +65% synergy
Heliod, Sun-Crowned
67% of 9 decks +65% synergy
Soul Warden
67% of 9 decks +64% synergy
Kami of Whispered Hopes
67% of 9 decks +63% synergy
Abzan Battle Priest
56% of 9 decks +55% synergy
The Ozolith
56% of 9 decks +52% synergy
Aetherflux Reservoir
56% of 9 decks +52% synergy
Creatures
Blood Researcher
100% of 2 decks +100% synergy
Aron, Benalia's Ruin
100% of 2 decks +100% synergy
Animar, Soul of Elements
100% of 1 decks +100% synergy
Envoy of the Ancestors
100% of 3 decks +99% synergy
Ragavan, Nimble Pilferer
100% of 2 decks +96% synergy
Wall of Limbs
50% of 2 decks +50% synergy
Aetherborn Marauder
50% of 2 decks +50% synergy
Scion of the Swarm
50% of 2 decks +50% synergy
War Elemental
50% of 2 decks +50% synergy
Anafenza, the Foremost
50% of 2 decks +50% synergy
Karlov of the Ghost Council
50% of 2 decks +50% synergy
The Red Terror
50% of 2 decks +50% synergy
Questing Druid
50% of 2 decks +50% synergy
Shadrix Silverquill
50% of 2 decks +50% synergy
Toothy, Imaginary Friend
50% of 2 decks +50% synergy
Biomancer's Familiar
50% of 2 decks +49% synergy
Breena, the Demagogue
50% of 2 decks +49% synergy
Stormtide Leviathan
50% of 2 decks +49% synergy
Archetype of Imagination
50% of 2 decks +49% synergy
Basking Broodscale
50% of 4 decks +49% synergy
Glasspool Mimic
50% of 2 decks +48% synergy
Orcish Bowmasters
50% of 2 decks +44% synergy
Dockside Extortionist
50% of 2 decks +42% synergy
Trelasarra, Moon Dancer
44% of 9 decks +44% synergy
Accomplished Alchemist
44% of 9 decks +44% synergy
Ajani's Pridemate
44% of 9 decks +44% synergy
Rhox Faithmender
44% of 9 decks +44% synergy
Sunscorch Regent
44% of 9 decks +43% synergy
Felidar Sovereign
44% of 9 decks +43% synergy
Abzan Falconer
44% of 9 decks +43% synergy
Soul's Attendant
44% of 9 decks +43% synergy
Esper Sentinel
44% of 9 decks +35% synergy
Elenda's Hierophant
43% of 7 decks +41% synergy
Ageless Entity
33% of 9 decks +33% synergy
Triskelion
33% of 9 decks +33% synergy
Herd Baloth
33% of 9 decks +33% synergy
Hamza, Guardian of Arashin
33% of 9 decks +33% synergy
Trostani, Selesnya's Voice
33% of 9 decks +33% synergy
Good-Fortune Unicorn
33% of 9 decks +33% synergy
Nykthos Paragon
33% of 9 decks +33% synergy
Angel of Vitality
33% of 9 decks +33% synergy
Scurry Oak
33% of 9 decks +32% synergy
Fertilid
33% of 9 decks +32% synergy
Essence Warden
33% of 9 decks +32% synergy
Vorinclex, Monstrous Raider
33% of 9 decks +31% synergy
Kodama of the West Tree
33% of 9 decks +31% synergy
Guide of Souls
33% of 3 decks +31% synergy
Walking Ballista
33% of 9 decks +31% synergy
Ocelot Pride
33% of 3 decks +30% synergy
Champion of Lambholt
33% of 9 decks +30% synergy
Instants
Interdict
50% of 2 decks +50% synergy
Fling
50% of 2 decks +49% synergy
Red Elemental Blast
50% of 2 decks +47% synergy
Lightning Bolt
50% of 2 decks +45% synergy
Deflecting Swat
50% of 2 decks +42% synergy
Negate
50% of 2 decks +39% synergy
Counterspell
50% of 2 decks +29% synergy
Inspiring Call
44% of 9 decks +41% synergy
Swords to Plowshares
44% of 9 decks +16% synergy
Pulse of Murasa
33% of 9 decks +33% synergy
Enlightened Tutor
33% of 9 decks +25% synergy
Heroic Intervention
33% of 9 decks +20% synergy
Path to Exile
33% of 9 decks +13% synergy
Pledge of Unity
22% of 9 decks +22% synergy
Beacon of Immortality
22% of 9 decks +22% synergy
Inscription of Abundance
22% of 9 decks +21% synergy
Eladamri's Call
22% of 9 decks +20% synergy
Tamiyo's Safekeeping
22% of 9 decks +19% synergy
Worldly Tutor
22% of 9 decks +16% synergy
Teferi's Protection
22% of 9 decks +13% synergy
Legolas's Quick Reflexes
14% of 7 decks +13% synergy
Rain of Blades
11% of 9 decks +11% synergy
Arbor Armament
11% of 9 decks +11% synergy
Tangle
11% of 9 decks +11% synergy
Congregate
11% of 9 decks +11% synergy
Invoke the Divine
11% of 9 decks +11% synergy
Berserk
11% of 9 decks +11% synergy
Orim's Chant
11% of 9 decks +11% synergy
Comeuppance
11% of 9 decks +11% synergy
Settle the Wreckage
11% of 9 decks +11% synergy
Cosmic Rebirth
11% of 9 decks +10% synergy
Sejiri Shelter
11% of 9 decks +9% synergy
Heliod's Intervention
11% of 9 decks +9% synergy
Noxious Revival
11% of 9 decks +8% synergy
Silence
11% of 9 decks +8% synergy
Veil of Summer
11% of 9 decks +8% synergy
Return to Nature
11% of 9 decks +8% synergy
Akroma's Will
11% of 9 decks +7% synergy
Generous Gift
11% of 9 decks -1% synergy
Beast Within
11% of 9 decks -7% synergy
Sorceries
Ruinous Ultimatum
100% of 1 decks +98% synergy
Sea Gate Restoration
50% of 2 decks +48% synergy
Toxic Deluge
50% of 2 decks +41% synergy
Cultivate
44% of 9 decks +23% synergy
Damning Verdict
33% of 9 decks +32% synergy
Fumigate
33% of 9 decks +32% synergy
Rampant Growth
33% of 9 decks +17% synergy
Sanctify
22% of 9 decks +22% synergy
Bond of Discipline
22% of 9 decks +22% synergy
Three Visits
22% of 9 decks +11% synergy
Kodama's Reach
22% of 9 decks +7% synergy
Farseek
22% of 9 decks +6% synergy
Lay of the Land
11% of 9 decks +11% synergy
Makindi Stampede
11% of 9 decks +11% synergy
Scale the Heights
11% of 9 decks +11% synergy
Storm Herd
11% of 9 decks +11% synergy
Titania's Command
11% of 9 decks +10% synergy
Ondu Inversion
11% of 9 decks +10% synergy
Open the Way
11% of 9 decks +10% synergy
White Sun's Twilight
11% of 9 decks +9% synergy
Overwhelming Stampede
11% of 9 decks +8% synergy
Bala Ged Recovery
11% of 9 decks +7% synergy
Skyshroud Claim
11% of 9 decks +7% synergy
Farewell
11% of 9 decks +5% synergy
Nature's Lore
11% of 9 decks -4% synergy
Utility Artifacts
Caduceus, Staff of Hermes
100% of 2 decks +97% synergy
Well of Lost Dreams
44% of 9 decks +43% synergy
Alhammarret's Archive
44% of 9 decks +42% synergy
The Great Henge
33% of 9 decks +29% synergy
Cosmos Elixir
22% of 9 decks +21% synergy
Staff of Domination
22% of 9 decks +20% synergy
Ozolith, the Shattered Spire
22% of 9 decks +19% synergy
Swiftfoot Boots
22% of 9 decks -6% synergy
Andúril, Narsil Reforged
14% of 7 decks +13% synergy
Juju Bubble
11% of 9 decks +11% synergy
Manascape Refractor
11% of 9 decks +11% synergy
Chalice of Life
11% of 9 decks +11% synergy
Behemoth Sledge
11% of 9 decks +11% synergy
Sword of the Paruns
11% of 9 decks +11% synergy
Animation Module
11% of 9 decks +11% synergy
Resurrection Orb
11% of 9 decks +10% synergy
Umbral Mantle
11% of 9 decks +10% synergy
Elixir of Immortality
11% of 9 decks +9% synergy
Shadowspear
11% of 9 decks +8% synergy
Phyrexian Altar
11% of 9 decks +7% synergy
The One Ring
11% of 9 decks +2% synergy
Enchantments
Grasping Shadows
100% of 1 decks +100% synergy
Mayael's Aria
100% of 2 decks +100% synergy
Annie Joins Up
100% of 1 decks +97% synergy
Hardened Scales
56% of 9 decks +51% synergy
Profane Procession
50% of 2 decks +50% synergy
Quest for Pure Flame
50% of 2 decks +50% synergy
Abzan Ascendancy
50% of 2 decks +50% synergy
Agent of the Shadow Thieves
50% of 2 decks +50% synergy
Hadana's Climb
50% of 2 decks +50% synergy
Mana Flare
50% of 2 decks +50% synergy
Arcane Adaptation
50% of 2 decks +49% synergy
Training Grounds
50% of 2 decks +49% synergy
All Will Be One
50% of 2 decks +48% synergy
Fiery Emancipation
50% of 2 decks +48% synergy
Rhystic Study
50% of 2 decks +36% synergy
Sunbond
44% of 9 decks +44% synergy
Light of Promise
44% of 9 decks +44% synergy
Noble Purpose
33% of 9 decks +33% synergy
Boon Reflection
33% of 9 decks +33% synergy
Branching Evolution
33% of 9 decks +31% synergy
Mirari's Wake
33% of 9 decks +30% synergy
Smothering Tithe
33% of 9 decks +22% synergy
Court of Garenbrig
25% of 8 decks +23% synergy
Griffin Aerie
22% of 9 decks +22% synergy
Ajani's Welcome
22% of 9 decks +22% synergy
Authority of the Consuls
22% of 9 decks +20% synergy
Growing Rites of Itlimoc
22% of 9 decks +20% synergy
Cathars' Crusade
22% of 9 decks +19% synergy
Doubling Season
22% of 9 decks +18% synergy
Sylvan Library
22% of 9 decks +16% synergy
Befriending the Moths
11% of 9 decks +11% synergy
Sheltered Aerie
11% of 9 decks +11% synergy
Urban Utopia
11% of 9 decks +11% synergy
Gelid Shackles
11% of 9 decks +11% synergy
Cradle of Vitality
11% of 9 decks +11% synergy
Righteous Cause
11% of 9 decks +11% synergy
Unflinching Courage
11% of 9 decks +11% synergy
New Horizons
11% of 9 decks +11% synergy
Sigarda's Splendor
11% of 9 decks +11% synergy
Blessed Sanctuary
11% of 9 decks +11% synergy
Gift of Paradise
11% of 9 decks +11% synergy
Test of Endurance
11% of 9 decks +11% synergy
Pariah
11% of 9 decks +11% synergy
Armadillo Cloak
11% of 9 decks +11% synergy
Song of Freyalise
11% of 9 decks +11% synergy
Angelic Accord
11% of 9 decks +10% synergy
Legion's Landing
11% of 9 decks +10% synergy
Abundant Growth
11% of 9 decks +10% synergy
Mana Reflection
11% of 9 decks +10% synergy
Dawn of Hope
11% of 9 decks +10% synergy
Battles
Invasion of Moag
11% of 9 decks +11% synergy
Invasion of Ikoria
11% of 9 decks +9% synergy
Planeswalkers
Jace, Cunning Castaway
50% of 2 decks +50% synergy
Ajani, the Greathearted
33% of 9 decks +33% synergy
Ajani, Strength of the Pride
22% of 9 decks +22% synergy
Utility Lands
Gavony Township
67% of 9 decks +65% synergy
Rogue's Passage
44% of 9 decks +25% synergy
Reliquary Tower
44% of 9 decks +15% synergy
Radiant Fountain
33% of 9 decks +32% synergy
Mosswort Bridge
33% of 9 decks +28% synergy
Yavimaya, Cradle of Growth
33% of 9 decks +24% synergy
Gaea's Cradle
22% of 9 decks +20% synergy
Karn's Bastion
22% of 9 decks +17% synergy
Boseiju, Who Endures
22% of 9 decks +13% synergy
Halls of Mist
11% of 9 decks +11% synergy
Lotus Vale
11% of 9 decks +11% synergy
Deserted Temple
11% of 9 decks +11% synergy
Lotus Field
11% of 9 decks +10% synergy
Castle Ardenvale
11% of 9 decks +9% synergy
Ancient Den
11% of 9 decks +9% synergy
Maze of Ith
11% of 9 decks +8% synergy
High Market
11% of 9 decks +8% synergy
Eiganjo, Seat of the Empire
11% of 9 decks +7% synergy
Nykthos, Shrine to Nyx
11% of 9 decks +5% synergy
Mana Artifacts
Arcane Signet
78% of 9 decks +6% synergy
Sol Ring
78% of 9 decks -7% synergy
Pristine Talisman
22% of 9 decks +21% synergy
Mana Crypt
22% of 9 decks +11% synergy
Ancient Cornucopia
20% of 5 decks +20% synergy
Prophetic Prism
11% of 9 decks +11% synergy
Talisman of Unity
11% of 9 decks +10% synergy
Mox Amber
11% of 9 decks +7% synergy
Mox Diamond
11% of 9 decks +7% synergy
Mox Opal
11% of 9 decks +7% synergy
Decanter of Endless Water
11% of 9 decks +6% synergy
Mana Vault
11% of 9 decks +5% synergy
Chrome Mox
11% of 9 decks +5% synergy
Lotus Petal
11% of 9 decks +4% synergy
Jeweled Lotus
11% of 9 decks +4% synergy
Chromatic Lantern
11% of 9 decks +2% synergy
Commander's Sphere
11% of 9 decks -5% synergy
Fellwar Stone
11% of 9 decks -10% synergy
Lands
Savai Triome
100% of 1 decks +97% synergy
Dragonskull Summit
100% of 1 decks +93% synergy
Stomping Ground
100% of 2 decks +91% synergy
Command Tower
78% of 9 decks +4% synergy
Blossoming Sands
56% of 9 decks +54% synergy
Canopy Vista
56% of 9 decks +48% synergy
Treva's Ruins
50% of 2 decks +50% synergy
Dromar's Cavern
50% of 2 decks +50% synergy
Sea Gate
50% of 2 decks +49% synergy
Black Dragon Gate
50% of 2 decks +49% synergy
Thriving Moor
50% of 2 decks +49% synergy
Thriving Isle
50% of 2 decks +49% synergy
Sandsteppe Citadel
50% of 2 decks +47% synergy
Plateau
50% of 2 decks +47% synergy
Taiga
50% of 2 decks +47% synergy
Opulent Palace
50% of 2 decks +47% synergy
Seaside Citadel
50% of 2 decks +47% synergy
Arcane Sanctum
50% of 2 decks +47% synergy
Indatha Triome
50% of 2 decks +47% synergy
Zagoth Triome
50% of 2 decks +47% synergy
Raffine's Tower
50% of 2 decks +46% synergy
Darkwater Catacombs
50% of 2 decks +46% synergy
Spara's Headquarters
50% of 2 decks +46% synergy
Spire Garden
50% of 2 decks +45% synergy
Spectator Seating
50% of 2 decks +44% synergy
Graypelt Refuge
44% of 9 decks +44% synergy
Sungrass Prairie
33% of 9 decks +31% synergy
Savannah
33% of 9 decks +31% synergy
Fortified Village
33% of 9 decks +30% synergy
Brushland
33% of 9 decks +30% synergy
Sunpetal Grove
33% of 9 decks +28% synergy
Temple Garden
33% of 9 decks +24% synergy
Windswept Heath
33% of 9 decks +23% synergy
Selesnya Sanctuary
22% of 9 decks +19% synergy
Bountiful Promenade
22% of 9 decks +17% synergy
Myriad Landscape
22% of 9 decks +2% synergy
Path of Ancestry
22% of 9 decks +1% synergy
Exotic Orchard
22% of 9 decks -13% synergy
Creosote Heath
17% of 6 decks +16% synergy
Meteor Crater
11% of 9 decks +11% synergy
Elfhame Palace
11% of 9 decks +11% synergy
Riftstone Portal
11% of 9 decks +11% synergy
Edgewall Inn
11% of 9 decks +11% synergy
Botanical Plaza
11% of 9 decks +11% synergy
Citadel Gate
11% of 9 decks +10% synergy
Crystal Grotto
11% of 9 decks +10% synergy
Wooded Bastion
11% of 9 decks +10% synergy
Horizon Canopy
11% of 9 decks +10% synergy
Selesnya Guildgate
11% of 9 decks +10% synergy
Manor Gate
11% of 9 decks +10% synergy