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. You control at least one basic land. Murasa Rootgrazer does not have summoning sickness.
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 13596 decks 7 decks
Chulane, Teller of Tales
0.04% of 7344 decks 3 decks
Amareth, the Lustrous
0.14% of 1410 decks 2 decks
Child of Alara
0.02% of 5025 decks 1 decks
Kynaios and Tiro of Meletis
0.01% of 7795 decks 1 decks
Galadriel, Light of Valinor
0.01% of 7839 decks 1 decks
High Synergy Cards
Mina and Denn, Wildborn
100% of 9 decks +95% synergy
Rampaging Baloths
87% of 15 decks +80% synergy
Felidar Retreat
87% of 15 decks +79% synergy
Lotus Cobra
80% of 15 decks +73% synergy
Emeria Angel
73% of 15 decks +71% synergy
Tatyova, Benthic Druid
80% of 15 decks +68% synergy
Roil Elemental
67% of 15 decks +65% synergy
Emeria Shepherd
67% of 15 decks +64% synergy
Omnath, Locus of Rage
67% of 9 decks +62% synergy
Scute Swarm
67% of 15 decks +57% synergy
Top Cards
Azusa, Lost but Seeking
60% of 15 decks +52% synergy
Harrow
60% of 15 decks +50% synergy
Entish Restoration
57% of 7 decks +49% synergy
Spitfire Lagac
56% of 9 decks +55% synergy
Phylath, World Sculptor
56% of 9 decks +54% synergy
Valakut Exploration
56% of 9 decks +53% synergy
Moraug, Fury of Akoum
56% of 9 decks +53% synergy
Ancient Greenwarden
53% of 15 decks +49% synergy
Tireless Provisioner
53% of 15 decks +42% synergy
Growth Spiral
53% of 15 decks +32% synergy
Creatures
Elesh Norn, Mother of Machines
50% of 10 decks +45% synergy
Meloku the Clouded Mirror
47% of 15 decks +46% synergy
Ruin Crab
47% of 15 decks +44% synergy
Ashaya, Soul of the Wild
47% of 15 decks +43% synergy
Oracle of Mul Daya
47% of 15 decks +41% synergy
Tunneling Geopede
44% of 9 decks +44% synergy
Scaled Herbalist
40% of 15 decks +40% synergy
Yasharn, Implacable Earth
40% of 15 decks +37% synergy
Maja, Bretagard Protector
40% of 15 decks +36% synergy
Avenger of Zendikar
40% of 15 decks +30% synergy
Greensleeves, Maro-Sorcerer
36% of 11 decks +34% synergy
Akoum Hellkite
33% of 9 decks +33% synergy
Admonition Angel
33% of 15 decks +33% synergy
Sakura-Tribe Scout
33% of 15 decks +32% synergy
Geode Rager
33% of 9 decks +32% synergy
Omnath, Locus of the Roil
33% of 9 decks +31% synergy
Risen Reef
33% of 15 decks +30% synergy
Courser of Kruphix
33% of 15 decks +29% synergy
Aesi, Tyrant of Gyre Strait
33% of 15 decks +27% synergy
Ruin Ghost
27% of 15 decks +26% synergy
Undergrowth Champion
27% of 15 decks +26% synergy
Walking Atlas
27% of 15 decks +26% synergy
Llanowar Scout
27% of 15 decks +26% synergy
Oran-Rief Hydra
27% of 15 decks +26% synergy
Knight of the Reliquary
27% of 15 decks +25% synergy
Karametra, God of Harvests
27% of 15 decks +24% synergy
Ramunap Excavator
27% of 15 decks +20% synergy
Coiling Oracle
27% of 15 decks +19% synergy
Dryad of the Ilysian Grove
27% of 15 decks +19% synergy
Soratami Savant
20% of 15 decks +20% synergy
Guardian of Tazeem
20% of 15 decks +20% synergy
Canyon Jerboa
20% of 15 decks +20% synergy
Kazandu Nectarpot
20% of 15 decks +19% synergy
Skyshroud Ranger
20% of 15 decks +19% synergy
Cosima, God of the Voyage
20% of 15 decks +19% synergy
Zimone, Quandrix Prodigy
20% of 15 decks +19% synergy
Augur of Autumn
20% of 15 decks +17% synergy
Kodama of the East Tree
20% of 15 decks +16% synergy
Sakura-Tribe Elder
20% of 15 decks +1% synergy
Instants
Crop Rotation
40% of 15 decks +30% synergy
Path to Exile
40% of 15 decks -5% synergy
Roiling Regrowth
33% of 15 decks +30% synergy
Deprive
27% of 15 decks +26% synergy
Cyclonic Rift
27% of 15 decks -1% synergy
Beast Within
27% of 15 decks -12% synergy
Heroic Intervention
20% of 15 decks -10% synergy
Swords to Plowshares
20% of 15 decks -43% synergy
Sorceries
Explore
47% of 15 decks +38% synergy
Cultivate
33% of 15 decks -13% synergy
Awaken the Woods
27% of 11 decks +23% synergy
Broken Bond
27% of 15 decks +25% synergy
Urban Evolution
27% of 15 decks +22% synergy
Kodama's Reach
27% of 15 decks -5% synergy
Rampant Growth
27% of 15 decks -8% synergy
Ondu Inversion
20% of 15 decks +18% synergy
Utility Artifacts
Conduit of Worlds
44% of 9 decks +38% synergy
Amulet of Vigor
20% of 15 decks +19% synergy
Blackblade Reforged
20% of 15 decks +16% synergy
Enchantments
Zendikar's Roil
47% of 15 decks +44% synergy
Druid Class
47% of 15 decks +44% synergy
Exploration
40% of 15 decks +32% synergy
Retreat to Kazandu
33% of 15 decks +32% synergy
Retreat to Emeria
27% of 15 decks +26% synergy
Burgeoning
27% of 15 decks +23% synergy
Ior Ruin Expedition
20% of 15 decks +20% synergy
Planeswalkers
Wrenn and Seven
33% of 15 decks +31% synergy
Utility Lands
Ghost Town
20% of 15 decks +20% synergy
Field of Ruin
20% of 15 decks +18% synergy
Field of the Dead
20% of 15 decks +17% synergy
Mana Artifacts
Arcane Signet
20% of 15 decks -52% synergy
Sol Ring
20% of 15 decks -64% synergy
Lands
Evolving Wilds
73% of 15 decks +52% synergy
Selesnya Sanctuary
67% of 15 decks +52% synergy
Azorius Chancery
67% of 15 decks +52% synergy
Boros Garrison
67% of 9 decks +52% synergy
Terramorphic Expanse
67% of 15 decks +51% synergy
Gruul Turf
67% of 9 decks +51% synergy
Izzet Boilerworks
67% of 9 decks +50% synergy
Simic Growth Chamber
60% of 15 decks +40% synergy
Command Tower
60% of 15 decks -14% synergy
Myriad Landscape
40% of 15 decks +20% synergy
Brokers Hideout
33% of 12 decks +32% synergy
Blighted Woodland
33% of 15 decks +27% synergy
Cinder Glade
33% of 9 decks -5% synergy
Bant Panorama
27% of 15 decks +26% synergy
Fabled Passage
27% of 15 decks +17% synergy
Canopy Vista
27% of 15 decks -9% synergy
Windswept Heath
20% of 15 decks +10% synergy
Misty Rainforest
20% of 15 decks +8% synergy
Bountiful Promenade
20% of 15 decks -4% synergy
Sea of Clouds
20% of 15 decks -6% synergy
Yavimaya Coast
20% of 15 decks -6% synergy
Prairie Stream
20% of 15 decks -14% synergy
Exotic Orchard
20% of 15 decks -16% synergy
Temple Garden
20% of 15 decks -21% synergy