Retreat to Coralhelm + Cloudstone Curio + Murasa Rootgrazer

Retreat to Coralhelm
Cloudstone Curio
Murasa Rootgrazer

Requires
Retreat to Coralhelm must be on the battlefield. Cloudstone Curio must be on the battlefield. Murasa Rootgrazer must be on the battlefield. You have basic land card in hand. You control at least one basic land. Murasa Rootgrazer does not have summoning sickness.
Steps
  1. Activate a basic land by tapping it, adding 1.
  2. Activate Murasa Rootgrazer's first ability by tapping it, putting a basic land from your hand onto the battlefield.
  3. The land enters the battlefield, triggering Retreat to Coralhelm and Cloudstone Curio.
  4. Resolve the Retreat to Coralhelm trigger, untapping Murasa Rootgrazer.
  5. Resolve the Cloudstone Curio trigger, returning any other basic land from the battlefield to your hand.
  6. Repeat.
Results
Infinite landfall triggers. Infinite mana basic lands you control can produce.

Top Commanders (4)
Omnath, Locus of Creation
0.05% of 13136 decks 7 decks
Chulane, Teller of Tales
0.03% of 7156 decks 2 decks
Morophon, the Boundless
0.01% of 9251 decks 1 decks
Kenrith, the Returned King
0.01% of 18944 decks 1 decks
High Synergy Cards (10)
Lotus Cobra
100% of 11 decks +97% synergy
Azusa, Lost but Seeking
82% of 11 decks +78% synergy
Omnath, Locus of Rage
78% of 9 decks +77% synergy
Tatyova, Benthic Druid
73% of 11 decks +70% synergy
Scute Swarm
73% of 11 decks +68% synergy
Mina and Denn, Wildborn
67% of 9 decks +65% synergy
Sakura-Tribe Scout
64% of 11 decks +63% synergy
Ancient Greenwarden
64% of 11 decks +62% synergy
Rampaging Baloths
64% of 11 decks +60% synergy
Dryad of the Ilysian Grove
64% of 11 decks +60% synergy
Top Cards (10)
Conduit of Worlds
67% of 6 decks +63% synergy
Ashaya, Soul of the Wild
55% of 11 decks +53% synergy
Oracle of Mul Daya
55% of 11 decks +52% synergy
Ramunap Excavator
55% of 11 decks +51% synergy
Avenger of Zendikar
55% of 11 decks +50% synergy
Farseek
55% of 11 decks +39% synergy
Roil Elemental
45% of 11 decks +45% synergy
Kodama of the East Tree
45% of 11 decks +44% synergy
Burgeoning
45% of 11 decks +44% synergy
Exploration
45% of 11 decks +42% synergy
Creatures (28)
Elesh Norn, Mother of Machines
50% of 6 decks +47% synergy
Omnath, Locus of the Roil
44% of 9 decks +44% synergy
Skyshroud Ranger
36% of 11 decks +36% synergy
Llanowar Scout
36% of 11 decks +36% synergy
Chulane, Teller of Tales
36% of 11 decks +36% synergy
Walking Atlas
36% of 11 decks +36% synergy
Risen Reef
36% of 11 decks +36% synergy
Emeria Angel
36% of 11 decks +35% synergy
Eternal Witness
36% of 11 decks +26% synergy
Phylath, World Sculptor
33% of 9 decks +33% synergy
Cultivator Colossus
33% of 9 decks +32% synergy
Moraug, Fury of Akoum
33% of 9 decks +32% synergy
Scaled Herbalist
30% of 10 decks +30% synergy
Tireless Provisioner
30% of 10 decks +25% synergy
Tideforce Elemental
27% of 11 decks +27% synergy
Ruin Ghost
27% of 11 decks +27% synergy
Admonition Angel
27% of 11 decks +27% synergy
Meloku the Clouded Mirror
27% of 11 decks +27% synergy
Uro, Titan of Nature's Wrath
27% of 11 decks +26% synergy
Emeria Shepherd
27% of 11 decks +26% synergy
Aesi, Tyrant of Gyre Strait
27% of 11 decks +26% synergy
Sakashima of a Thousand Faces
27% of 11 decks +25% synergy
Courser of Kruphix
27% of 11 decks +25% synergy
Temur Sabertooth
27% of 11 decks +25% synergy
Tireless Tracker
27% of 11 decks +25% synergy
Spark Double
27% of 11 decks +24% synergy
Sakura-Tribe Elder
27% of 11 decks +18% synergy
Birds of Paradise
27% of 11 decks +15% synergy
Instants (9)
Swords to Plowshares
45% of 11 decks +17% synergy
Growth Spiral
36% of 11 decks +32% synergy
Worldly Tutor
36% of 11 decks +30% synergy
Heroic Intervention
36% of 11 decks +23% synergy
Narset's Reversal
27% of 11 decks +25% synergy
Mystical Tutor
27% of 11 decks +19% synergy
Generous Gift
27% of 11 decks +15% synergy
Beast Within
27% of 11 decks +8% synergy
Counterspell
27% of 11 decks +6% synergy
Sorceries (4)
Kodama's Reach
45% of 11 decks +30% synergy
Cultivate
45% of 11 decks +23% synergy
Explore
27% of 11 decks +23% synergy
Nature's Lore
27% of 11 decks +13% synergy
Utility Artifacts (2)
Crucible of Worlds
36% of 11 decks +34% synergy
Horn of Greed
27% of 11 decks +26% synergy
Enchantments (6)
Trade Routes
36% of 11 decks +36% synergy
Felidar Retreat
36% of 11 decks +33% synergy
Mana Breach
27% of 11 decks +27% synergy
Retreat to Emeria
27% of 11 decks +27% synergy
Zendikar's Roil
27% of 11 decks +26% synergy
Rhystic Study
27% of 11 decks +13% synergy
Utility Lands (5)
Ghost Town
36% of 11 decks +36% synergy
Oboro, Palace in the Clouds
36% of 11 decks +36% synergy
Strip Mine
27% of 11 decks +24% synergy
Mystic Sanctuary
27% of 11 decks +21% synergy
Reliquary Tower
27% of 11 decks -1% synergy
Mana Artifacts (3)
Sol Ring
82% of 11 decks -3% synergy
Arcane Signet
73% of 11 decks +2% synergy
Chromatic Lantern
45% of 11 decks +36% synergy
Lands (22)
Flooded Strand
55% of 11 decks +44% synergy
Command Tower
55% of 11 decks -18% synergy
Selesnya Sanctuary
45% of 11 decks +42% synergy
Simic Growth Chamber
45% of 11 decks +41% synergy
Arid Mesa
45% of 11 decks +34% synergy
Scalding Tarn
45% of 11 decks +34% synergy
Misty Rainforest
45% of 11 decks +34% synergy
Terramorphic Expanse
45% of 11 decks +29% synergy
Evolving Wilds
45% of 11 decks +24% synergy
Raugrin Triome
44% of 9 decks +41% synergy
Gruul Turf
44% of 9 decks +41% synergy
Ketria Triome
44% of 9 decks +41% synergy
Izzet Boilerworks
44% of 9 decks +41% synergy
Steam Vents
44% of 9 decks +35% synergy
Azorius Chancery
36% of 11 decks +33% synergy
Hallowed Fountain
36% of 11 decks +27% synergy
Fabled Passage
36% of 11 decks +27% synergy
Windswept Heath
36% of 11 decks +26% synergy
Temple Garden
27% of 11 decks +18% synergy
Breeding Pool
27% of 11 decks +18% synergy
Wooded Foothills
27% of 11 decks +18% synergy
Polluted Delta
27% of 11 decks +16% synergy