Retreat to Coralhelm + Murasa Rootgrazer + Trench Behemoth

Retreat to Coralhelm
Murasa Rootgrazer
Trench Behemoth

Requires
Retreat to Coralhelm must be on the battlefield. Murasa Rootgrazer must be on the battlefield. Trench Behemoth must be on the battlefield.
Steps
  1. Activate a basic land you control by tapping it, adding at least 1.
  2. Activate Trench Behemoth by returning the basic land from the battlefield to your hand, untapping Trench Behemoth.
  3. Activate Murasa Rootgrazer's first ability by tapping it, putting the basic land from your hand onto the battlefield.
  4. The land enters the battlefield, triggering Retreat to Coralhelm, untapping Murasa Rootgrazer.
  5. Repeat.
Results
Infinite landfall triggers. Infinite mana basic lands you control can produce.

Omnath, Locus of Creation
0.05% of 14410 decks 7 decks
Chulane, Teller of Tales
0.03% of 7784 decks 2 decks
Ishai, Ojutai Dragonspeaker // Kodama of the East Tree
0.21% of 471 decks 1 decks
Galadriel, Light of Valinor
0.01% of 10861 decks 1 decks
Omnath, Locus of All
0.01% of 14428 decks 1 decks
Amareth, the Lustrous
0.07% of 1396 decks 1 decks
Child of Alara
0.02% of 6510 decks 1 decks
Kynaios and Tiro of Meletis
0.01% of 8884 decks 1 decks
High Synergy Cards
Rampaging Baloths
93% of 15 decks +86% synergy
Mina and Denn, Wildborn
90% of 10 decks +86% synergy
Felidar Retreat
80% of 15 decks +73% synergy
Emeria Angel
73% of 15 decks +71% synergy
Lotus Cobra
73% of 15 decks +66% synergy
Omnath, Locus of Rage
70% of 10 decks +65% synergy
Emeria Shepherd
67% of 15 decks +64% synergy
Zendikar's Roil
67% of 15 decks +64% synergy
Scute Swarm
73% of 15 decks +64% synergy
Mossborn Hydra
67% of 6 decks +63% synergy
Top Cards
Roil Elemental
60% of 15 decks +59% synergy
Harrow
60% of 15 decks +51% synergy
Exploration
53% of 15 decks +45% synergy
Tireless Provisioner
53% of 15 decks +42% synergy
Tatyova, Benthic Druid
53% of 15 decks +41% synergy
Geode Rager
50% of 10 decks +49% synergy
Valakut Exploration
50% of 10 decks +48% synergy
Moraug, Fury of Akoum
50% of 10 decks +47% synergy
Meloku the Clouded Mirror
47% of 15 decks +46% synergy
Druid Class
47% of 15 decks +44% synergy
Game Changers
Crop Rotation
33% of 15 decks +24% synergy
Field of the Dead
20% of 15 decks +17% synergy
Rhystic Study
20% of 15 decks -7% synergy
Creatures
Loot, Exuberant Explorer
50% of 6 decks +46% synergy
Risen Reef
47% of 15 decks +44% synergy
Ancient Greenwarden
47% of 15 decks +43% synergy
Oracle of Mul Daya
47% of 15 decks +41% synergy
Aesi, Tyrant of Gyre Strait
47% of 15 decks +40% synergy
Azusa, Lost but Seeking
47% of 15 decks +39% synergy
Avenger of Zendikar
47% of 15 decks +38% synergy
Scaled Herbalist
40% of 15 decks +40% synergy
Obuun, Mul Daya Ancestor
40% of 10 decks +39% synergy
Spitfire Lagac
40% of 10 decks +39% synergy
Maja, Bretagard Protector
40% of 15 decks +37% synergy
Ramunap Excavator
40% of 15 decks +33% synergy
Ruin Ghost
33% of 15 decks +33% synergy
Admonition Angel
33% of 15 decks +33% synergy
Sakura-Tribe Scout
33% of 15 decks +32% synergy
Ruin Crab
33% of 15 decks +31% synergy
Ashaya, Soul of the Wild
33% of 15 decks +30% synergy
Tireless Tracker
33% of 15 decks +28% synergy
Akoum Hellkite
30% of 10 decks +30% synergy
Tunneling Geopede
30% of 10 decks +29% synergy
Phylath, World Sculptor
30% of 10 decks +28% synergy
Guardian of Tazeem
27% of 15 decks +26% synergy
Undergrowth Champion
27% of 15 decks +26% synergy
Llanowar Scout
27% of 15 decks +26% synergy
Greensleeves, Maro-Sorcerer
27% of 15 decks +25% synergy
Yasharn, Implacable Earth
27% of 15 decks +24% synergy
Courser of Kruphix
27% of 15 decks +23% synergy
Elesh Norn, Mother of Machines
27% of 15 decks +23% synergy
Dryad of the Ilysian Grove
27% of 15 decks +19% synergy
Soratami Savant
20% of 15 decks +20% synergy
Budoka Gardener
20% of 15 decks +20% synergy
Kazandu Nectarpot
20% of 15 decks +20% synergy
Skyshroud Ranger
20% of 15 decks +19% synergy
Cosima, God of the Voyage
20% of 15 decks +19% synergy
Perennial Behemoth
20% of 15 decks +19% synergy
Zimone, Quandrix Prodigy
20% of 15 decks +19% synergy
Multani, Yavimaya's Avatar
20% of 15 decks +18% synergy
Knight of the Reliquary
20% of 15 decks +18% synergy
Karametra, God of Harvests
20% of 15 decks +17% synergy
Augur of Autumn
20% of 15 decks +17% synergy
Kodama of the East Tree
20% of 15 decks +17% synergy
Wayward Swordtooth
20% of 15 decks +16% synergy
Coiling Oracle
20% of 15 decks +13% synergy
Instants
Growth Spiral
47% of 15 decks +25% synergy
Roiling Regrowth
40% of 15 decks +37% synergy
Entish Restoration
33% of 15 decks +27% synergy
Deprive
20% of 15 decks +20% synergy
Heroic Intervention
20% of 15 decks -10% synergy
Beast Within
20% of 15 decks -17% synergy
Path to Exile
20% of 15 decks -27% synergy
Sorceries
Explore
40% of 15 decks +31% synergy
Cultivate
40% of 15 decks -5% synergy
Broken Bond
33% of 15 decks +31% synergy
Rampant Growth
33% of 15 decks -1% synergy
Urban Evolution
27% of 15 decks +23% synergy
Kodama's Reach
27% of 15 decks -4% synergy
Skyshroud Claim
20% of 15 decks +11% synergy
Utility Artifacts
Conduit of Worlds
33% of 15 decks +28% synergy
Seer's Sundial
20% of 15 decks +20% synergy
Amulet of Vigor
20% of 15 decks +19% synergy
Crucible of Worlds
20% of 15 decks +18% synergy
Blackblade Reforged
20% of 15 decks +16% synergy
Enchantments
Retreat to Emeria
33% of 15 decks +33% synergy
Burgeoning
27% of 15 decks +23% synergy
Spelunking
25% of 12 decks +21% synergy
Trade Routes
20% of 15 decks +20% synergy
Retreat to Kazandu
20% of 15 decks +18% synergy
Rites of Flourishing
20% of 15 decks +18% synergy
Planeswalkers
Wrenn and Seven
33% of 15 decks +32% synergy
Nissa, Who Shakes the World
27% of 15 decks +24% synergy
Utility Lands
Boseiju, Who Endures
27% of 15 decks +8% synergy
Ghost Town
20% of 15 decks +20% synergy
Yavimaya, Cradle of Growth
20% of 15 decks +11% synergy
Reliquary Tower
20% of 15 decks -10% synergy
Mana Artifacts
Arcane Signet
27% of 15 decks -46% synergy
Sol Ring
20% of 15 decks -64% synergy
Lands
Terramorphic Expanse
67% of 15 decks +51% synergy
Command Tower
67% of 15 decks -8% synergy
Selesnya Sanctuary
60% of 15 decks +46% synergy
Boros Garrison
60% of 10 decks +46% synergy
Gruul Turf
60% of 10 decks +45% synergy
Evolving Wilds
60% of 15 decks +39% synergy
Azorius Chancery
53% of 15 decks +39% synergy
Simic Growth Chamber
53% of 15 decks +34% synergy
Izzet Boilerworks
50% of 10 decks +34% synergy
Myriad Landscape
33% of 15 decks +15% synergy
Bant Panorama
27% of 15 decks +26% synergy
Brokers Hideout
27% of 15 decks +25% synergy
Blighted Woodland
27% of 15 decks +22% synergy
Fabled Passage
27% of 15 decks +18% synergy
Windswept Heath
27% of 15 decks +16% synergy
Bountiful Promenade
27% of 15 decks +3% synergy
Naya Panorama
20% of 15 decks +19% synergy
Treva's Ruins
20% of 15 decks +19% synergy
Arid Mesa
20% of 15 decks +10% synergy
Flooded Strand
20% of 15 decks +9% synergy
Misty Rainforest
20% of 15 decks +8% synergy
Savannah
20% of 15 decks +7% synergy
Tundra
20% of 15 decks +6% synergy
Tropical Island
20% of 15 decks +6% synergy
Sea of Clouds
20% of 15 decks -6% synergy
Spara's Headquarters
20% of 15 decks -10% synergy
Exotic Orchard
20% of 15 decks -16% synergy
Canopy Vista
20% of 15 decks -17% synergy
Temple Garden
20% of 15 decks -19% synergy
Hallowed Fountain
20% of 15 decks -20% synergy
Breeding Pool
20% of 15 decks -20% synergy