Treebeard, Gracious Host + Agatha's Soul Cauldron + Spike Feeder

Treebeard, Gracious Host
Agatha's Soul Cauldron
Spike Feeder

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

Treebeard, Gracious Host
0.15% of 1305 decks 2 decks
Top Cards
Heroic Intervention
62% of 13 decks +48% synergy
Path to Exile
62% of 13 decks +41% synergy
Swords to Plowshares
62% of 13 decks +33% synergy
Devoted Druid
54% of 13 decks +52% synergy
Walking Ballista
54% of 13 decks +51% synergy
Heliod, Sun-Crowned
46% of 13 decks +45% synergy
Birds of Paradise
46% of 13 decks +34% synergy
Scurry Oak
38% of 13 decks +38% synergy
Essence Warden
38% of 13 decks +37% synergy
Rosie Cotton of South Lane
38% of 13 decks +37% synergy
Creatures
Agatha of the Vile Cauldron
60% of 5 decks +60% synergy
Orcish Bowmasters
60% of 5 decks +54% synergy
Kutzil, Malamet Exemplar
50% of 6 decks +45% synergy
Soul Warden
38% of 13 decks +36% synergy
Avacyn's Pilgrim
38% of 13 decks +35% synergy
Kami of Whispered Hopes
38% of 13 decks +35% synergy
Delighted Halfling
38% of 13 decks +32% synergy
Esper Sentinel
38% of 13 decks +29% synergy
Triskelion
31% of 13 decks +30% synergy
Immaculate Magistrate
31% of 13 decks +30% synergy
Samwise Gamgee
31% of 13 decks +30% synergy
Prosperous Innkeeper
31% of 13 decks +29% synergy
Soul's Attendant
31% of 13 decks +29% synergy
Gyre Sage
31% of 13 decks +29% synergy
Selvala, Heart of the Wilds
31% of 13 decks +28% synergy
Vizier of Remedies
23% of 13 decks +23% synergy
Trostani, Selesnya's Voice
23% of 13 decks +22% synergy
Ivy Lane Denizen
23% of 13 decks +22% synergy
Conclave Mentor
23% of 13 decks +22% synergy
Farmer Cotton
23% of 13 decks +22% synergy
Archangel of Thune
23% of 13 decks +22% synergy
The Gaffer
23% of 13 decks +22% synergy
Suture Priest
23% of 13 decks +21% synergy
Gilded Goose
23% of 13 decks +21% synergy
Serra Ascendant
23% of 13 decks +21% synergy
Ranger-Captain of Eos
23% of 13 decks +21% synergy
Incubation Druid
23% of 13 decks +21% synergy
Peregrin Took
23% of 13 decks +20% synergy
Forgotten Ancient
23% of 13 decks +20% synergy
Academy Manufactor
23% of 13 decks +19% synergy
Fyndhorn Elves
23% of 13 decks +17% synergy
Llanowar Elves
23% of 13 decks +13% synergy
Instants
Archdruid's Charm
75% of 4 decks +71% synergy
Eladamri's Call
38% of 13 decks +36% synergy
Worldly Tutor
38% of 13 decks +32% synergy
Chord of Calling
31% of 13 decks +28% synergy
Enlightened Tutor
31% of 13 decks +23% synergy
Reprieve
23% of 13 decks +21% synergy
Silence
23% of 13 decks +20% synergy
Veil of Summer
23% of 13 decks +20% synergy
Sorceries
Cultivate
31% of 13 decks +9% synergy
Tooth and Nail
23% of 13 decks +22% synergy
Green Sun's Zenith
23% of 13 decks +20% synergy
Finale of Devastation
23% of 13 decks +19% synergy
Farseek
23% of 13 decks +7% synergy
Utility Artifacts
Aetherflux Reservoir
38% of 13 decks +34% synergy
The Ozolith
31% of 13 decks +27% synergy
The One Ring
31% of 13 decks +22% synergy
Alhammarret's Archive
23% of 13 decks +21% synergy
Ozolith, the Shattered Spire
23% of 13 decks +20% synergy
Enchantments
Cathars' Crusade
38% of 13 decks +36% synergy
Authority of the Consuls
31% of 13 decks +29% synergy
Hardened Scales
31% of 13 decks +27% synergy
Sylvan Library
31% of 13 decks +25% synergy
Light of Promise
23% of 13 decks +23% synergy
Cleric Class
23% of 13 decks +22% synergy
Doubling Season
23% of 13 decks +19% synergy
Battles
Invasion of Ikoria
23% of 13 decks +20% synergy
Planeswalkers
Grist, the Hunger Tide
60% of 5 decks +59% synergy
Ajani, the Greathearted
23% of 13 decks +22% synergy
Utility Lands
Boseiju, Who Endures
54% of 13 decks +45% synergy
Yavimaya, Cradle of Growth
54% of 13 decks +44% synergy
The Shire
23% of 13 decks +21% synergy
Karn's Bastion
23% of 13 decks +18% synergy
Urza's Saga
23% of 13 decks +16% synergy
Ancient Tomb
23% of 13 decks +12% synergy
Mana Artifacts
Sol Ring
69% of 13 decks -15% synergy
Arcane Signet
54% of 13 decks -18% synergy
Chrome Mox
23% of 13 decks +17% synergy
Mana Crypt
23% of 13 decks +12% synergy
Lands
Command Tower
77% of 13 decks +3% synergy
Temple Garden
69% of 13 decks +60% synergy
Overgrown Tomb
60% of 5 decks +51% synergy
Windswept Heath
54% of 13 decks +44% synergy
Savannah
46% of 13 decks +43% synergy
Brushland
46% of 13 decks +43% synergy
Bountiful Promenade
46% of 13 decks +41% synergy
Marsh Flats
46% of 13 decks +35% synergy
Verdant Catacombs
46% of 13 decks +35% synergy
Wooded Foothills
38% of 13 decks +28% synergy
Flooded Strand
38% of 13 decks +28% synergy
Arid Mesa
38% of 13 decks +28% synergy
Misty Rainforest
38% of 13 decks +27% synergy
Sunpetal Grove
31% of 13 decks +26% synergy
Canopy Vista
31% of 13 decks +23% synergy
City of Brass
31% of 13 decks +23% synergy
Exotic Orchard
31% of 13 decks -4% synergy
Razorverge Thicket
23% of 13 decks +22% synergy
Overgrown Farmland
23% of 13 decks +20% synergy
Gemstone Caverns
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Bloodstained Mire
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