Retreat to Coralhelm + Skyshroud Ranger + Trench Behemoth

Retreat to Coralhelm
Skyshroud Ranger
Trench Behemoth

Requires
Retreat to Coralhelm must be on the battlefield. Skyshroud Ranger must be on the battlefield. Trench Behemoth must be on the battlefield. You control at least one basic land. Skyshroud Ranger 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 Skyshroud Ranger by tapping it, putting the basic land from your hand onto the battlefield.
  4. The land enters the battlefield, triggering Retreat to Coralhelm, untapping Skyshroud Ranger.
  5. Repeat.
Results
Infinite landfall triggers. Infinite mana basic lands you control can produce.

Aesi, Tyrant of Gyre Strait
3.33% of 10607 decks 353 decks
Tatyova, Benthic Druid
0.45% of 5973 decks 27 decks
Galadriel of Lothlórien
0.30% of 3652 decks 11 decks
Archelos, Lagoon Mystic
0.32% of 3412 decks 11 decks
Kenessos, Priest of Thassa
0.22% of 4070 decks 9 decks
Omnath, Locus of Creation
0.07% of 13716 decks 9 decks
Jadzi, Oracle of Arcavios
0.26% of 1558 decks 4 decks
Kodama of the East Tree // Sakashima of a Thousand Faces
0.33% of 1208 decks 4 decks
Zimone and Dina
0.04% of 7266 decks 3 decks
Yarok, the Desecrated
0.02% of 10484 decks 2 decks
Kiora, Sovereign of the Deep
0.04% of 4525 decks 2 decks
Jolrael, Voice of Zhalfir
0.10% of 1993 decks 2 decks
Omnath, Locus of All
0.01% of 13600 decks 1 decks
Slogurk, the Overslime
0.06% of 1767 decks 1 decks
Tatyova, Steward of Tides
0.08% of 1330 decks 1 decks
Amareth, the Lustrous
0.07% of 1376 decks 1 decks
Jorn, God of Winter
0.02% of 4313 decks 1 decks
Maelstrom Wanderer
0.02% of 5919 decks 1 decks
New Cards
Loot, Exuberant Explorer
75% of 4 decks +48% synergy
Koma, World-Eater
60% of 15 decks +43% synergy
Mossborn Hydra
44% of 18 decks +33% synergy
Walk-In Closet // Forgotten Cellar
33% of 27 decks +20% synergy
Grappling Kraken
33% of 15 decks +31% synergy
High Synergy Cards
Rampaging Baloths
86% of 455 decks +79% synergy
Meloku the Clouded Mirror
78% of 455 decks +77% synergy
Retreat to Hagra
76% of 21 decks +75% synergy
Tatyova, Benthic Druid
86% of 455 decks +74% synergy
Mina and Denn, Wildborn
75% of 12 decks +70% synergy
Llanowar Scout
66% of 455 decks +65% synergy
Avenger of Zendikar
74% of 455 decks +64% synergy
Ramunap Excavator
71% of 455 decks +64% synergy
Explore
69% of 455 decks +60% synergy
Growth Spiral
81% of 455 decks +59% synergy
Top Cards
Cultivate
85% of 455 decks +39% synergy
Rampant Growth
78% of 455 decks +44% synergy
Kodama's Reach
76% of 455 decks +44% synergy
Counterspell
75% of 455 decks +32% synergy
Beast Within
73% of 455 decks +35% synergy
Eternal Witness
63% of 455 decks +43% synergy
Scourge of Fleets
60% of 455 decks +58% synergy
Khalni Heart Expedition
59% of 455 decks +57% synergy
Zendikar's Roil
59% of 455 decks +56% synergy
Broken Bond
58% of 455 decks +56% synergy
Creatures
Tunneling Geopede
58% of 12 decks +58% synergy
Emeria Angel
58% of 12 decks +56% synergy
Nezahal, Primal Tide
58% of 455 decks +54% synergy
Springbloom Druid
56% of 455 decks +52% synergy
Coiling Oracle
55% of 455 decks +48% synergy
Maja, Bretagard Protector
55% of 11 decks +51% synergy
Reclamation Sage
53% of 455 decks +43% synergy
Arixmethes, Slumbering Isle
51% of 455 decks +48% synergy
Scute Swarm
51% of 455 decks +41% synergy
Multani, Yavimaya's Avatar
51% of 455 decks +49% synergy
Sakura-Tribe Scout
50% of 455 decks +49% synergy
Lotus Cobra
50% of 455 decks +43% synergy
Emeria Shepherd
50% of 12 decks +48% synergy
Omnath, Locus of Rage
50% of 12 decks +45% synergy
Terastodon
49% of 455 decks +46% synergy
Azusa, Lost but Seeking
47% of 455 decks +39% synergy
Slinn Voda, the Rising Deep
44% of 455 decks +43% synergy
Tireless Provisioner
43% of 381 decks +31% synergy
Ruin Ghost
42% of 12 decks +41% synergy
Living Twister
42% of 12 decks +41% synergy
Omnath, Locus of the Roil
42% of 12 decks +39% synergy
Sakura-Tribe Elder
39% of 455 decks +20% synergy
Scaled Herbalist
35% of 376 decks +35% synergy
Kodama of the East Tree
35% of 455 decks +31% synergy
Acidic Slime
35% of 455 decks +31% synergy
Serpent of Yawning Depths
34% of 455 decks +33% synergy
Spitfire Lagac
33% of 12 decks +33% synergy
Imoti, Celebrant of Bounty
32% of 455 decks +29% synergy
Springheart Nantuko
31% of 54 decks +25% synergy
Brinelin, the Moon Kraken
31% of 455 decks +30% synergy
Lorthos, the Tidemaker
31% of 455 decks +30% synergy
Obuun, Mul Daya Ancestor
30% of 10 decks +29% synergy
Bonny Pall, Clearcutter
29% of 73 decks +25% synergy
Tromokratis
29% of 455 decks +28% synergy
Walking Atlas
28% of 455 decks +28% synergy
Breaching Leviathan
27% of 455 decks +26% synergy
Scavenging Ooze
26% of 455 decks +23% synergy
Ancient Greenwarden
26% of 455 decks +22% synergy
Kogla, the Titan Ape
25% of 455 decks +21% synergy
Akoum Hellkite
25% of 12 decks +25% synergy
Murasa Rootgrazer
25% of 12 decks +24% synergy
Nesting Dragon
25% of 12 decks +24% synergy
Geode Rager
25% of 12 decks +24% synergy
Radha, Heart of Keld
25% of 12 decks +23% synergy
Phylath, World Sculptor
25% of 12 decks +23% synergy
Moraug, Fury of Akoum
25% of 12 decks +22% synergy
Courser of Kruphix
25% of 455 decks +21% synergy
Koma, Cosmos Serpent
25% of 402 decks +19% synergy
Mulldrifter
24% of 455 decks +19% synergy
Ob Nixilis, the Fallen
24% of 21 decks +23% synergy
Instants
Arcane Denial
58% of 455 decks +38% synergy
Path to Exile
50% of 12 decks +4% synergy
Harrow
43% of 455 decks +33% synergy
Swords to Plowshares
42% of 12 decks -21% synergy
Entish Restoration
39% of 187 decks +31% synergy
Negate
32% of 455 decks +10% synergy
Crop Rotation
32% of 455 decks +22% synergy
Khalni Ambush
31% of 455 decks +28% synergy
Simic Charm
30% of 455 decks +26% synergy
Roiling Regrowth
26% of 455 decks +22% synergy
Fact or Fiction
25% of 455 decks +19% synergy
Spell Pierce
18% of 455 decks +14% synergy
Joint Exploration
17% of 296 decks +14% synergy
Mortality Spear
17% of 18 decks +14% synergy
Planar Genesis
15% of 54 decks +7% synergy
Nature's Claim
15% of 455 decks +5% synergy
Hagra Mauling
14% of 21 decks +12% synergy
Sultai Charm
14% of 21 decks +10% synergy
Putrefy
14% of 21 decks -2% synergy
Assassin's Trophy
14% of 21 decks -16% synergy
Cyclonic Rift
13% of 455 decks -15% synergy
Reality Shift
13% of 455 decks +4% synergy
Deprive
12% of 455 decks +12% synergy
Sink into Stupor
12% of 59 decks -1% synergy
Heroic Intervention
10% of 455 decks -19% synergy
Return of the Wildspeaker
10% of 455 decks -3% synergy
Worldly Tutor
10% of 455 decks -4% synergy
Eureka Moment
10% of 388 decks +6% synergy
Foil
9% of 455 decks +9% synergy
Long River's Pull
9% of 33 decks +4% synergy
Into the Roil
9% of 455 decks +8% synergy
An Offer You Can't Refuse
9% of 328 decks -12% synergy
Pongify
8% of 455 decks -3% synergy
Jaheira's Respite
8% of 305 decks +7% synergy
Mana Drain
8% of 455 decks -7% synergy
Blue Sun's Zenith
8% of 455 decks +5% synergy
Engulf the Shore
7% of 455 decks +6% synergy
Return to Nature
7% of 455 decks +0% synergy
Rapid Hybridization
7% of 455 decks -3% synergy
Dispel
7% of 455 decks +2% synergy
Brainstorm
6% of 455 decks -15% synergy
Archdruid's Charm
6% of 97 decks -1% synergy
Mystical Tutor
6% of 455 decks -9% synergy
Gush
6% of 455 decks +5% synergy
Double Major
6% of 388 decks +2% synergy
Swan Song
5% of 455 decks -11% synergy
Fierce Guardianship
5% of 455 decks -13% synergy
Sorceries
Whelming Wave
58% of 455 decks +56% synergy
Search for Tomorrow
42% of 455 decks +39% synergy
Spitting Image
38% of 455 decks +37% synergy
Urban Evolution
31% of 455 decks +27% synergy
Villainous Wealth
29% of 21 decks +20% synergy
Summer Bloom
21% of 455 decks +20% synergy
Bala Ged Recovery
20% of 455 decks +11% synergy
Nature's Lore
19% of 455 decks -13% synergy
Dig Up
17% of 18 decks +14% synergy
Culling Ritual
17% of 18 decks +6% synergy
Walk the Aeons
16% of 455 decks +15% synergy
Harmonize
16% of 455 decks +7% synergy
Three Visits
15% of 455 decks -10% synergy
Skyshroud Claim
15% of 455 decks +6% synergy
Sylvan Scrying
13% of 455 decks +10% synergy
Green Sun's Zenith
12% of 455 decks +6% synergy
Compulsive Research
12% of 455 decks +11% synergy
Nissa's Pilgrimage
12% of 455 decks +10% synergy
Migration Path
11% of 455 decks +7% synergy
Awaken the Woods
10% of 267 decks +7% synergy
Traverse the Outlands
10% of 455 decks +8% synergy
Nylea's Intervention
10% of 455 decks +9% synergy
Explosive Vegetation
10% of 455 decks +7% synergy
Farseek
10% of 455 decks -24% synergy
River's Rebuke
10% of 455 decks +8% synergy
Doppelgang
9% of 100 decks +5% synergy
Splendid Reclamation
9% of 455 decks +5% synergy
The Great Aurora
8% of 455 decks +8% synergy
Sylvan Awakening
8% of 455 decks +7% synergy
Scapeshift
8% of 455 decks +5% synergy
Grow from the Ashes
7% of 455 decks +6% synergy
Vastwood Surge
7% of 455 decks +6% synergy
Green Sun's Twilight
7% of 246 decks +5% synergy
Journey of Discovery
7% of 455 decks +6% synergy
Circuitous Route
7% of 455 decks +4% synergy
Elven Farsight
7% of 153 decks +5% synergy
Nissa's Renewal
6% of 455 decks +6% synergy
Verdant Mastery
6% of 388 decks +6% synergy
Enter the Unknown
5% of 455 decks +5% synergy
Aether Gale
5% of 455 decks +4% synergy
Preordain
5% of 455 decks -6% synergy
Spectral Deluge
5% of 402 decks +4% synergy
Scale the Heights
5% of 455 decks +4% synergy
Utility Artifacts
Swiftfoot Boots
50% of 455 decks +22% synergy
Conduit of Worlds
35% of 246 decks +29% synergy
Crucible of Worlds
14% of 455 decks +12% synergy
Blackblade Reforged
12% of 455 decks +8% synergy
Seer's Sundial
8% of 455 decks +8% synergy
Lightning Greaves
7% of 455 decks -18% synergy
Wayfarer's Bauble
5% of 455 decks -5% synergy
Storm Cauldron
5% of 455 decks +5% synergy
Enchantments
Valakut Exploration
58% of 12 decks +56% synergy
Felidar Retreat
58% of 12 decks +51% synergy
Garruk's Uprising
38% of 455 decks +22% synergy
Kenrith's Transformation
31% of 455 decks +25% synergy
Exploration
31% of 455 decks +23% synergy
Druid Class
29% of 376 decks +26% synergy
Abundance
22% of 455 decks +19% synergy
Spelunking
22% of 123 decks +17% synergy
Retreat to Kazandu
20% of 455 decks +18% synergy
Court of Bounty
18% of 455 decks +17% synergy
Ior Ruin Expedition
17% of 455 decks +17% synergy
Binding the Old Gods
17% of 18 decks +11% synergy
Virtue of Strength
14% of 135 decks +11% synergy
Burgeoning
13% of 455 decks +10% synergy
Trade Routes
13% of 455 decks +12% synergy
Case of the Locked Hothouse
12% of 93 decks +8% synergy
Ominous Seas
10% of 455 decks +7% synergy
Virtue of Knowledge
8% of 138 decks +5% synergy
On the Trail
8% of 92 decks +6% synergy
Rhystic Study
7% of 455 decks -21% synergy
Mystic Remora
6% of 455 decks -12% synergy
Azusa's Many Journeys
6% of 337 decks +5% synergy
Wizard Class
6% of 376 decks +2% synergy
Lost Isle Calling
6% of 155 decks +5% synergy
Battles
Invasion of Zendikar
7% of 216 decks +5% synergy
Planeswalkers
Kiora, Behemoth Beckoner
31% of 455 decks +28% synergy
Nissa of Shadowed Boughs
19% of 21 decks +17% synergy
Wrenn and Seven
7% of 365 decks +5% synergy
Garruk, Primal Hunter
6% of 455 decks +4% synergy
Nissa, Ascended Animist
5% of 230 decks +3% synergy
Utility Lands
Reliquary Tower
73% of 455 decks +43% synergy
Coral Atoll
50% of 455 decks +49% synergy
Guildless Commons
47% of 455 decks +46% synergy
Jungle Basin
46% of 455 decks +45% synergy
Bojuka Bog
38% of 21 decks +8% synergy
Mystic Sanctuary
32% of 455 decks +20% synergy
Memorial to Genius
25% of 455 decks +24% synergy
Arid Archway
23% of 79 decks +21% synergy
Lonely Sandbar
17% of 455 decks +14% synergy
Tranquil Thicket
17% of 455 decks +14% synergy
Tectonic Edge
16% of 455 decks +15% synergy
Mosswort Bridge
15% of 455 decks +5% synergy
Bonders' Enclave
14% of 455 decks +11% synergy
Ghost Town
13% of 455 decks +13% synergy
Scavenger Grounds
12% of 455 decks +8% synergy
Temple of the False God
12% of 455 decks +2% synergy
Field of the Dead
10% of 455 decks +7% synergy
Oboro, Palace in the Clouds
10% of 455 decks +9% synergy
Rivendell
10% of 191 decks +5% synergy
Boseiju, Who Endures
9% of 337 decks -10% synergy
Yavimaya, Cradle of Growth
9% of 381 decks +0% synergy
Restless Vinestalk
9% of 135 decks +6% synergy
War Room
7% of 455 decks +1% synergy
Otawara, Soaring City
6% of 337 decks -11% synergy
Field of Ruin
6% of 455 decks +4% synergy
Rogue's Passage
6% of 455 decks -14% synergy
Mana Artifacts
Sol Ring
77% of 455 decks -7% synergy
Simic Signet
18% of 455 decks +4% synergy
Arcane Signet
15% of 455 decks -57% synergy
Thought Vessel
11% of 455 decks -6% synergy
Decanter of Endless Water
6% of 305 decks +1% synergy
Lands
Simic Growth Chamber
94% of 455 decks +74% synergy
Selesnya Sanctuary
92% of 12 decks +78% synergy
Dimir Aqueduct
90% of 21 decks +74% synergy
Golgari Rot Farm
90% of 21 decks +73% synergy
Command Tower
88% of 455 decks +14% synergy
Gruul Turf
83% of 12 decks +67% synergy
Izzet Boilerworks
83% of 12 decks +67% synergy
Evolving Wilds
81% of 455 decks +60% synergy
Boros Garrison
80% of 10 decks +65% synergy
Terramorphic Expanse
78% of 455 decks +63% synergy
Azorius Chancery
67% of 12 decks +52% synergy
Blighted Woodland
66% of 455 decks +60% synergy
Myriad Landscape
62% of 455 decks +42% synergy
Opulent Palace
48% of 21 decks +21% synergy
Thornwood Falls
44% of 455 decks +37% synergy
Prairie Stream
42% of 12 decks +8% synergy
Ice Tunnel
39% of 18 decks +36% synergy
Temple of Malady
38% of 21 decks +22% synergy
Yavimaya Coast
37% of 455 decks +11% synergy
Simic Guildgate
37% of 455 decks +30% synergy
Woodland Chasm
33% of 18 decks +29% synergy
Ketria Triome
33% of 12 decks +1% synergy
Jetmir's Garden
33% of 9 decks +0% synergy
Canopy Vista
33% of 12 decks -3% synergy
Temple Garden
33% of 12 decks -7% synergy
Temple of Mystery
33% of 455 decks +16% synergy
Raugrin Triome
30% of 10 decks +3% synergy
Spara's Headquarters
30% of 10 decks -2% synergy
Woodland Stream
30% of 455 decks +28% synergy
Hinterland Harbor
29% of 455 decks +1% synergy
Temple of Deceit
29% of 21 decks +12% synergy
Zagoth Triome
29% of 21 decks -2% synergy
Sunken Hollow
29% of 21 decks -6% synergy
Brokers Hideout
26% of 328 decks +24% synergy
Hallowed Fountain
25% of 12 decks -16% synergy
Stomping Ground
25% of 12 decks -16% synergy
Fabled Passage
24% of 455 decks +15% synergy
Watery Grave
24% of 21 decks -17% synergy
Contaminated Aquifer
20% of 15 decks +17% synergy
Flooded Grove
19% of 455 decks +7% synergy
Breeding Pool
19% of 455 decks -22% synergy
Overgrown Tomb
19% of 21 decks -23% synergy
Black Dragon Gate
19% of 16 decks +17% synergy
Vineglimmer Snarl
17% of 388 decks +7% synergy
Dreamroot Cascade
17% of 358 decks -2% synergy
Tangled Islet
17% of 296 decks +9% synergy
Misty Rainforest
16% of 455 decks +5% synergy
Rejuvenating Springs
16% of 455 decks -13% synergy
Exotic Orchard
15% of 455 decks -21% synergy
Drowned Catacomb
14% of 21 decks -11% synergy