Agatha's Soul Cauldron + Lurking Roper + Overgrown Arch

Agatha's Soul Cauldron
Lurking Roper
Overgrown Arch

Requires
Agatha's Soul Cauldron must be on the battlefield. Lurking Roper must be on the battlefield. Overgrown Arch must be in exile (exiled by Agatha's Soul Cauldron). Lurking Roper has at least one +1/+1 counter on it and does not have summoning sickness.
Steps
  1. Activate Lurking Roper using Overgrown Arch's first ability by tapping it, causing you to gain 1 life.
  2. Lurking Roper triggers, untapping itself.
  3. Repeat.
Results
Infinite lifegain. Infinite lifegain triggers.

Sisay, Weatherlight Captain
0.01% of 11573 decks 1 decks
Kenrith, the Returned King
0.00% of 20593 decks 1 decks
Creatures
Soulmender
100% of 2 decks +100% synergy
Silent Attendant
50% of 2 decks +50% synergy
Temple Elder
50% of 2 decks +50% synergy
Shu Farmer
50% of 2 decks +50% synergy
Traveling Minister
50% of 2 decks +50% synergy
Butcher Ghoul
50% of 2 decks +50% synergy
Famished Paladin
50% of 2 decks +50% synergy
Wellwisher
50% of 2 decks +50% synergy
Magus of the Jar
50% of 2 decks +50% synergy
Ezzaroot Channeler
50% of 2 decks +50% synergy
Spike Feeder
50% of 2 decks +50% synergy
Ajani's Pridemate
50% of 2 decks +50% synergy
Mine Worker
50% of 2 decks +50% synergy
Karlov of the Ghost Council
50% of 2 decks +50% synergy
Trelasarra, Moon Dancer
50% of 2 decks +50% synergy
Scheming Fence
50% of 2 decks +50% synergy
Triskelion
50% of 2 decks +50% synergy
Norika Yamazaki, the Poet
50% of 2 decks +50% synergy
Good-Fortune Unicorn
50% of 2 decks +50% synergy
Jan Jansen, Chaos Crafter
50% of 2 decks +50% synergy
Prosperous Innkeeper
50% of 2 decks +50% synergy
Samwise the Stouthearted
50% of 2 decks +50% synergy
Devoted Druid
50% of 2 decks +50% synergy
Plaguecrafter
50% of 2 decks +50% synergy
Patron of the Arts
50% of 2 decks +50% synergy
Faramir, Prince of Ithilien
50% of 2 decks +49% synergy
Reckless Barbarian
50% of 2 decks +49% synergy
Samwise Gamgee
50% of 2 decks +49% synergy
Walking Ballista
50% of 2 decks +49% synergy
Myojin of Cryptic Dreams
50% of 2 decks +49% synergy
The Reality Chip
50% of 2 decks +49% synergy
Ilysian Caryatid
50% of 2 decks +49% synergy
Paradise Druid
50% of 2 decks +49% synergy
Faerie Mastermind
50% of 2 decks +48% synergy
Kyodai, Soul of Kamigawa
50% of 2 decks +48% synergy
Mondrak, Glory Dominus
50% of 2 decks +47% synergy
Agatha of the Vile Cauldron
50% of 2 decks +46% synergy
Orcish Bowmasters
50% of 2 decks +45% synergy
Go-Shintai of Lost Wisdom
50% of 2 decks +45% synergy
Go-Shintai of Boundless Vigor
50% of 2 decks +45% synergy
Go-Shintai of Shared Purpose
50% of 2 decks +44% synergy
Go-Shintai of Ancient Wars
50% of 2 decks +44% synergy
Go-Shintai of Hidden Cruelty
50% of 2 decks +44% synergy
Jegantha, the Wellspring
50% of 2 decks +43% synergy
Esper Sentinel
50% of 2 decks +41% synergy
Noble Hierarch
50% of 2 decks +40% synergy
Dockside Extortionist
50% of 2 decks +40% synergy
Ignoble Hierarch
50% of 2 decks +38% synergy
Birds of Paradise
50% of 2 decks +25% synergy
Instants
Hellish Rebuke
50% of 2 decks +50% synergy
Soothing of Sméagol
50% of 2 decks +50% synergy
Glorious Gale
50% of 2 decks +50% synergy
Power Word Kill
50% of 2 decks +50% synergy
Unsummon
50% of 2 decks +50% synergy
Sauron's Ransom
50% of 2 decks +50% synergy
Nasty End
50% of 2 decks +49% synergy
Krosan Grip
50% of 2 decks +48% synergy
Entomb
50% of 2 decks +48% synergy
Intuition
50% of 2 decks +48% synergy
Abrupt Decay
50% of 2 decks +45% synergy
Dark Ritual
50% of 2 decks +45% synergy
Silence
50% of 2 decks +44% synergy
Mystical Tutor
50% of 2 decks +43% synergy
Eladamri's Call
50% of 2 decks +42% synergy
Deflecting Swat
50% of 2 decks +41% synergy
Worldly Tutor
50% of 2 decks +38% synergy
Fierce Guardianship
50% of 2 decks +38% synergy
Enlightened Tutor
50% of 2 decks +35% synergy
Vampiric Tutor
50% of 2 decks +33% synergy
Swords to Plowshares
50% of 2 decks +10% synergy
Sorceries
Adventurous Impulse
50% of 2 decks +50% synergy
Many Partings
50% of 2 decks +49% synergy
Sylvan Tutor
50% of 2 decks +49% synergy
Buried Alive
50% of 2 decks +49% synergy
Unnatural Restoration
50% of 2 decks +48% synergy
Fabricate
50% of 2 decks +47% synergy
Grim Tutor
50% of 2 decks +47% synergy
Gamble
50% of 2 decks +47% synergy
Neoform
50% of 2 decks +47% synergy
Imperial Seal
50% of 2 decks +45% synergy
Demonic Tutor
50% of 2 decks +29% synergy
Utility Artifacts
The One Ring
100% of 2 decks +91% synergy
Gilded Pinions
50% of 2 decks +50% synergy
Prized Statue
50% of 2 decks +50% synergy
Mirror of Galadriel
50% of 2 decks +49% synergy
Enchantments
Banishment
50% of 2 decks +50% synergy
Stimulus Package
50% of 2 decks +50% synergy
Street Urchin
50% of 2 decks +50% synergy
Ossification
50% of 2 decks +50% synergy
Noble Heritage
50% of 2 decks +49% synergy
Survival of the Fittest
50% of 2 decks +49% synergy
Cathars' Crusade
50% of 2 decks +49% synergy
Hidetsugu Consumes All
50% of 2 decks +48% synergy
Bard Class
50% of 2 decks +48% synergy
Aura Shards
50% of 2 decks +47% synergy
War of the Last Alliance
50% of 2 decks +47% synergy
Underworld Breach
50% of 2 decks +47% synergy
Training Grounds
50% of 2 decks +45% synergy
Sanctum of All
50% of 2 decks +44% synergy
Sylvan Library
50% of 2 decks +42% synergy
Mystic Remora
50% of 2 decks +38% synergy
Smothering Tithe
50% of 2 decks +29% synergy
Battles
Planeswalkers
The Wanderer
50% of 2 decks +49% synergy
Utility Lands
Otawara, Soaring City
50% of 2 decks +43% synergy
Ancient Tomb
50% of 2 decks +41% synergy
Boseiju, Who Endures
50% of 2 decks +38% synergy
Mana Artifacts
Simic Locket
50% of 2 decks +50% synergy
Network Terminal
50% of 2 decks +50% synergy
Letter of Acceptance
50% of 2 decks +50% synergy
Phyrexian Atlas
50% of 2 decks +50% synergy
Mind Stone
50% of 2 decks +47% synergy
Mox Diamond
50% of 2 decks +45% synergy
Jeweled Lotus
50% of 2 decks +44% synergy
Mana Crypt
50% of 2 decks +37% synergy
Arcane Signet
50% of 2 decks -24% synergy
Sol Ring
50% of 2 decks -28% synergy
Lands
Sungrass Prairie
50% of 2 decks +49% synergy
Dismal Backwater
50% of 2 decks +49% synergy
Scoured Barrens
50% of 2 decks +49% synergy
Wind-Scarred Crag
50% of 2 decks +49% synergy
Bloodfell Caves
50% of 2 decks +49% synergy
Swiftwater Cliffs
50% of 2 decks +49% synergy
Tranquil Cove
50% of 2 decks +48% synergy
Jungle Hollow
50% of 2 decks +48% synergy
Rugged Highlands
50% of 2 decks +48% synergy
Thornwood Falls
50% of 2 decks +48% synergy
Blossoming Sands
50% of 2 decks +48% synergy
Obscura Storefront
50% of 2 decks +48% synergy
Cabaretti Courtyard
50% of 2 decks +48% synergy
Brokers Hideout
50% of 2 decks +48% synergy
Sea of Clouds
50% of 2 decks +43% synergy
Bountiful Promenade
50% of 2 decks +42% synergy
Forbidden Orchard
50% of 2 decks +41% synergy
Plateau
50% of 2 decks +38% synergy
Badlands
50% of 2 decks +38% synergy
Scrubland
50% of 2 decks +38% synergy
Volcanic Island
50% of 2 decks +38% synergy
Underground Sea
50% of 2 decks +38% synergy
Tundra
50% of 2 decks +37% synergy
Savannah
50% of 2 decks +37% synergy
Taiga
50% of 2 decks +37% synergy
Bayou
50% of 2 decks +37% synergy
Tropical Island
50% of 2 decks +37% synergy
Xander's Lounge
50% of 2 decks +33% synergy
Terramorphic Expanse
50% of 2 decks +33% synergy
Bloodstained Mire
50% of 2 decks +28% synergy
Evolving Wilds
50% of 2 decks +28% synergy
Polluted Delta
50% of 2 decks +27% synergy
Ziatora's Proving Ground
50% of 2 decks +26% synergy
Blood Crypt
50% of 2 decks +26% synergy
Flooded Strand
50% of 2 decks +26% synergy
Sacred Foundry
50% of 2 decks +26% synergy
Wooded Foothills
50% of 2 decks +25% synergy
Scalding Tarn
50% of 2 decks +25% synergy
Steam Vents
50% of 2 decks +24% synergy
Watery Grave
50% of 2 decks +24% synergy
Godless Shrine
50% of 2 decks +24% synergy
Arid Mesa
50% of 2 decks +24% synergy
Marsh Flats
50% of 2 decks +23% synergy
Windswept Heath
50% of 2 decks +23% synergy
Hallowed Fountain
50% of 2 decks +22% synergy
Verdant Catacombs
50% of 2 decks +21% synergy
Misty Rainforest
50% of 2 decks +21% synergy
Stomping Ground
50% of 2 decks +19% synergy
Overgrown Tomb
50% of 2 decks +19% synergy
Breeding Pool
50% of 2 decks +19% synergy