Agatha's Soul Cauldron + Spike Feeder + Blood Researcher

Agatha's Soul Cauldron
Spike Feeder
Blood Researcher

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

Valentin, Dean of the Vein
0.23% of 432 decks 1 decks
Kenrith, the Returned King
0.00% of 21513 decks 1 decks
Atraxa, Praetors' Voice
0.00% of 35211 decks 1 decks
Willowdusk, Essence Seer
0.05% of 2028 decks 1 decks
Dina, Soul Steeper
0.01% of 7676 decks 1 decks
Creatures
Sterling Supplier
100% of 1 decks +100% synergy
Alharu, Solemn Ritualist
100% of 2 decks +100% synergy
Celestial Unicorn
100% of 2 decks +100% synergy
Ajani's Pridemate
100% of 2 decks +99% synergy
Aron, Benalia's Ruin
100% of 2 decks +99% synergy
Questing Druid
100% of 1 decks +98% synergy
Archangel of Thune
100% of 2 decks +98% synergy
Animar, Soul of Elements
100% of 1 decks +96% synergy
Ragavan, Nimble Pilferer
100% of 1 decks +92% synergy
Scion of the Swarm
60% of 5 decks +60% synergy
Ageless Entity
60% of 5 decks +60% synergy
Essence Warden
60% of 5 decks +57% synergy
Jubilant Mascot
50% of 2 decks +50% synergy
Expedition Raptor
50% of 2 decks +50% synergy
Relief Captain
50% of 2 decks +50% synergy
Gavony Silversmith
50% of 2 decks +50% synergy
Anointer of Valor
50% of 2 decks +50% synergy
Gideon's Company
50% of 2 decks +50% synergy
Angelic Quartermaster
50% of 2 decks +50% synergy
Twinblade Paladin
50% of 2 decks +50% synergy
Skyclave Cleric
50% of 2 decks +50% synergy
Toothy, Imaginary Friend
50% of 2 decks +49% synergy
Anafenza, the Foremost
50% of 2 decks +49% synergy
Voice of the Blessed
50% of 2 decks +49% synergy
Abzan Battle Priest
50% of 2 decks +49% synergy
Aragorn and Arwen, Wed
50% of 2 decks +49% synergy
Karlov of the Ghost Council
50% of 2 decks +49% synergy
Dune Chanter
50% of 2 decks +49% synergy
Stormtide Leviathan
50% of 2 decks +48% synergy
Shadrix Silverquill
50% of 2 decks +48% synergy
Archetype of Imagination
50% of 2 decks +48% synergy
Abzan Falconer
50% of 2 decks +47% synergy
Biomancer's Familiar
50% of 2 decks +47% synergy
Glasspool Mimic
50% of 2 decks +47% synergy
Breena, the Demagogue
50% of 2 decks +47% synergy
Heliod, Sun-Crowned
50% of 2 decks +47% synergy
Conclave Mentor
50% of 2 decks +46% synergy
Esper Sentinel
50% of 2 decks +29% synergy
Veinwitch Coven
40% of 5 decks +39% synergy
Witch of the Moors
40% of 5 decks +39% synergy
Benevolent Hydra
40% of 5 decks +38% synergy
Disciple of Bolas
40% of 5 decks +38% synergy
Marauding Blight-Priest
40% of 5 decks +37% synergy
Beledros Witherbloom
40% of 5 decks +36% synergy
Incubation Druid
40% of 5 decks +35% synergy
Vito, Thorn of the Dusk Rose
40% of 5 decks +35% synergy
Eternal Witness
40% of 5 decks +19% synergy
Poison Dart Frog
33% of 3 decks +31% synergy
Ojer Kaslem, Deepest Growth
33% of 3 decks +30% synergy
Sadistic Skymarcher
20% of 5 decks +20% synergy
Instants
Fling
100% of 1 decks +98% synergy
Rain of Blades
50% of 2 decks +50% synergy
Interdict
50% of 2 decks +50% synergy
Sejiri Shelter
50% of 2 decks +46% synergy
Teferi's Protection
50% of 2 decks +30% synergy
Negate
50% of 2 decks +27% synergy
Counterspell
50% of 2 decks +7% synergy
Path to Exile
50% of 2 decks +5% synergy
Mortality Spear
40% of 5 decks +37% synergy
Archdruid's Charm
33% of 3 decks +26% synergy
Nourish
20% of 5 decks +20% synergy
Arbor Armament
20% of 5 decks +20% synergy
Feed the Clan
20% of 5 decks +20% synergy
Plunge into Darkness
20% of 5 decks +20% synergy
Early Harvest
20% of 5 decks +20% synergy
Pulse of Murasa
20% of 5 decks +20% synergy
Evolution Charm
20% of 5 decks +20% synergy
Infuse with Vitality
20% of 5 decks +19% synergy
Rushed Rebirth
20% of 5 decks +19% synergy
Invigorating Surge
20% of 5 decks +19% synergy
Tend the Pests
20% of 5 decks +18% synergy
Silkguard
20% of 5 decks +18% synergy
Momentous Fall
20% of 5 decks +18% synergy
Snuff Out
20% of 5 decks +18% synergy
Gaea's Gift
20% of 5 decks +17% synergy
Snakeskin Veil
20% of 5 decks +16% synergy
Chord of Calling
20% of 5 decks +14% synergy
Go for the Throat
20% of 5 decks +13% synergy
Inspiring Call
20% of 5 decks +12% synergy
Malakir Rebirth
20% of 5 decks +12% synergy
Nature's Claim
20% of 5 decks +10% synergy
Village Rites
20% of 5 decks +10% synergy
Putrefy
20% of 5 decks +4% synergy
Dark Ritual
20% of 5 decks -2% synergy
Beast Within
20% of 5 decks -19% synergy
Sorceries
Ruinous Ultimatum
100% of 1 decks +82% synergy
Makindi Stampede
50% of 2 decks +50% synergy
Ondu Inversion
50% of 2 decks +48% synergy
Sea Gate Restoration
50% of 2 decks +45% synergy
Bala Ged Recovery
40% of 5 decks +31% synergy
Culling Ritual
40% of 5 decks +29% synergy
Sanguine Indulgence
20% of 5 decks +20% synergy
Devouring Tendrils
20% of 5 decks +20% synergy
Lay of the Land
20% of 5 decks +20% synergy
Uncage the Menagerie
20% of 5 decks +20% synergy
Essence Harvest
20% of 5 decks +19% synergy
Urborg Repossession
20% of 5 decks +19% synergy
Primal Command
20% of 5 decks +19% synergy
Chain of Smog
20% of 5 decks +19% synergy
Find // Finality
20% of 5 decks +18% synergy
Pest Infestation
20% of 5 decks +18% synergy
Dig Up
20% of 5 decks +17% synergy
Regrowth
20% of 5 decks +17% synergy
Diabolic Tutor
20% of 5 decks +14% synergy
Read the Bones
20% of 5 decks +12% synergy
Diabolic Intent
20% of 5 decks +11% synergy
Sign in Blood
20% of 5 decks +10% synergy
Toxic Deluge
20% of 5 decks +3% synergy
Feed the Swarm
20% of 5 decks +2% synergy
Three Visits
20% of 5 decks -5% synergy
Nature's Lore
20% of 5 decks -12% synergy
Farseek
20% of 5 decks -14% synergy
Cultivate
20% of 5 decks -26% synergy
Utility Artifacts
Tablet of the Guilds
40% of 5 decks +40% synergy
Fountain of Renewal
40% of 5 decks +40% synergy
Andúril, Narsil Reforged
33% of 3 decks +32% synergy
Chimil, the Inner Sun
33% of 3 decks +31% synergy
Bubbling Cauldron
20% of 5 decks +20% synergy
Kraken's Eye
20% of 5 decks +20% synergy
Staff of the Wild Magus
20% of 5 decks +20% synergy
Manascape Refractor
20% of 5 decks +20% synergy
Chalice of Life
20% of 5 decks +20% synergy
Staff of the Death Magus
20% of 5 decks +20% synergy
Demon's Horn
20% of 5 decks +20% synergy
Witch's Cauldron
20% of 5 decks +20% synergy
Campfire
20% of 5 decks +20% synergy
Animation Module
20% of 5 decks +20% synergy
Witch's Oven
20% of 5 decks +19% synergy
Cosmos Elixir
20% of 5 decks +19% synergy
Bow of Nylea
20% of 5 decks +18% synergy
The Ozolith
20% of 5 decks +17% synergy
Shadowspear
20% of 5 decks +16% synergy
Ozolith, the Shattered Spire
20% of 5 decks +14% synergy
Enchantments
Mana Flare
100% of 1 decks +99% synergy
Mayael's Aria
100% of 1 decks +97% synergy
Fiery Emancipation
100% of 1 decks +96% synergy
Innkeeper's Talent
100% of 1 decks +91% synergy
Befriending the Moths
50% of 2 decks +50% synergy
Gelid Shackles
50% of 2 decks +50% synergy
Profane Procession
50% of 2 decks +50% synergy
Griffin Aerie
50% of 2 decks +49% synergy
Arcane Adaptation
50% of 2 decks +49% synergy
Legion's Landing
50% of 2 decks +49% synergy
Abzan Ascendancy
50% of 2 decks +48% synergy
Well Rested
50% of 2 decks +48% synergy
Hadana's Climb
50% of 2 decks +48% synergy
Training Grounds
50% of 2 decks +47% synergy
Aura Shards
50% of 2 decks +41% synergy
Smothering Tithe
50% of 2 decks +25% synergy
Rhystic Study
50% of 2 decks +22% synergy
Sanguine Bond
40% of 5 decks +34% synergy
Hardened Scales
40% of 5 decks +31% synergy
Grasping Shadows
33% of 3 decks +33% synergy
Court of Garenbrig
25% of 4 decks +21% synergy
Season of the Witch
20% of 5 decks +20% synergy
Sheltered Aerie
20% of 5 decks +20% synergy
Urban Utopia
20% of 5 decks +20% synergy
Soul Channeling
20% of 5 decks +20% synergy
Dogged Pursuit
20% of 5 decks +20% synergy
Ill-Gotten Inheritance
20% of 5 decks +20% synergy
New Horizons
20% of 5 decks +19% synergy
Agent of the Shadow Thieves
20% of 5 decks +19% synergy
Song of Freyalise
20% of 5 decks +19% synergy
Abundant Growth
20% of 5 decks +19% synergy
Mana Reflection
20% of 5 decks +18% synergy
Greed
20% of 5 decks +18% synergy
Hydra's Growth
20% of 5 decks +18% synergy
Druid Class
20% of 5 decks +17% synergy
Exquisite Blood
20% of 5 decks +15% synergy
Necropotence
20% of 5 decks +15% synergy
Growing Rites of Itlimoc
20% of 5 decks +14% synergy
Binding the Old Gods
20% of 5 decks +14% synergy
Parallel Lives
20% of 5 decks +13% synergy
Tribute to the World Tree
20% of 5 decks +12% synergy
Doubling Season
20% of 5 decks +11% synergy
Moldervine Reclamation
20% of 5 decks +11% synergy
Wild Growth
20% of 5 decks +9% synergy
Phyrexian Arena
20% of 5 decks +5% synergy
Garruk's Uprising
20% of 5 decks +5% synergy
Planeswalkers
Jace, Cunning Castaway
50% of 2 decks +50% synergy
Professor Onyx
20% of 5 decks +19% synergy
Vraska, Golgari Queen
20% of 5 decks +17% synergy
Utility Lands
Gavony Township
100% of 2 decks +90% synergy
Ancient Den
50% of 2 decks +45% synergy
Gingerbread Cabin
40% of 5 decks +38% synergy
Witch's Cottage
40% of 5 decks +36% synergy
Halls of Mist
20% of 5 decks +20% synergy
Lotus Vale
20% of 5 decks +20% synergy
Sapseep Forest
20% of 5 decks +19% synergy
Drannith Ruins
20% of 5 decks +19% synergy
Radiant Fountain
20% of 5 decks +19% synergy
Witch's Clinic
20% of 5 decks +19% synergy
Lotus Field
20% of 5 decks +19% synergy
Maze of Ith
20% of 5 decks +17% synergy
Restless Cottage
20% of 5 decks +15% synergy
Oran-Rief, the Vastwood
20% of 5 decks +15% synergy
Mortuary Mire
20% of 5 decks +15% synergy
Karn's Bastion
20% of 5 decks +15% synergy
Mosswort Bridge
20% of 5 decks +10% synergy
Bojuka Bog
20% of 5 decks -10% synergy
Mana Artifacts
Arcane Signet
60% of 5 decks -12% synergy
Sol Ring
60% of 5 decks -24% synergy
Pristine Talisman
40% of 5 decks +39% synergy
Prophetic Prism
20% of 5 decks +20% synergy
Grim Monolith
20% of 5 decks +18% synergy
Chrome Mox
20% of 5 decks +14% synergy
Lotus Petal
20% of 5 decks +13% synergy
Chromatic Lantern
20% of 5 decks +10% synergy
Lands
Savai Triome
100% of 1 decks +73% synergy
Dragonskull Summit
100% of 1 decks +69% synergy
Stomping Ground
100% of 1 decks +59% synergy
Command Tower
80% of 5 decks +6% synergy
Riftstone Portal
50% of 2 decks +49% synergy
Treva's Ruins
50% of 2 decks +49% synergy
Dromar's Cavern
50% of 2 decks +48% synergy
Citadel Gate
50% of 2 decks +48% synergy
Sea Gate
50% of 2 decks +48% synergy
Thriving Isle
50% of 2 decks +47% synergy
Thriving Heath
50% of 2 decks +47% synergy
Darkwater Catacombs
50% of 2 decks +35% synergy
Sandsteppe Citadel
50% of 2 decks +24% synergy
Seaside Citadel
50% of 2 decks +24% synergy
Opulent Palace
50% of 2 decks +23% synergy
Arcane Sanctum
50% of 2 decks +22% synergy
Raffine's Tower
50% of 2 decks +22% synergy
Zagoth Triome
50% of 2 decks +19% synergy
Indatha Triome
50% of 2 decks +19% synergy
Spara's Headquarters
50% of 2 decks +18% synergy
Jungle Hollow
40% of 5 decks +31% synergy
Terramorphic Expanse
40% of 5 decks +24% synergy
Llanowar Wastes
40% of 5 decks +14% synergy
Exotic Orchard
40% of 5 decks +4% synergy
Meteor Crater
20% of 5 decks +20% synergy
Hall of Oracles
20% of 5 decks +20% synergy
Edgewall Inn
20% of 5 decks +20% synergy
Uncharted Haven
20% of 5 decks +20% synergy
Crystal Grotto
20% of 5 decks +19% synergy
Riveteers Overlook
20% of 5 decks +18% synergy
Black Dragon Gate
20% of 5 decks +18% synergy
Foul Orchard
20% of 5 decks +18% synergy
Manor Gate
20% of 5 decks +18% synergy
Thriving Moor
20% of 5 decks +18% synergy
Thriving Grove
20% of 5 decks +18% synergy
Forbidden Orchard
20% of 5 decks +17% synergy
Blooming Marsh
20% of 5 decks +16% synergy
Reflecting Pool
20% of 5 decks +15% synergy
Golgari Guildgate
20% of 5 decks +14% synergy
Haunted Mire
20% of 5 decks +12% synergy
Twilight Mire
20% of 5 decks +10% synergy
Bloodstained Mire
20% of 5 decks +10% synergy
Windswept Heath
20% of 5 decks +10% synergy
Tainted Wood
20% of 5 decks +7% synergy
Temple of Malady
20% of 5 decks +4% synergy
Evolving Wilds
20% of 5 decks -1% synergy
Path of Ancestry
20% of 5 decks -1% synergy
Woodland Cemetery
20% of 5 decks -8% synergy