Scaretiller + Retreat to Coralhelm + Riveteers Overlook

Scaretiller
Retreat to Coralhelm
Riveteers Overlook

Requires
Scaretiller must be on the battlefield. Retreat to Coralhelm must be on the battlefield. Riveteers Overlook must be in hand. Scaretiller is untapped. You have a basic Forest, Mountain, or Swamp in library.
Steps
  1. Play Riveteers Overlook.
  2. Riveteers Overlook enters the battlefield, triggering itself and Retreat to Coralhelm.
  3. Resolve the Riveteers Overlook trigger, causing you to sacrifice it, then search your library for a basic Mountain, Swamp or Forest card, put it onto the battlefield tapped, and gain 1 life.
  4. The basic land enters the battlefield, triggering Retreat to Coralhelm, tapping Scaretiller.
  5. Scaretiller triggers, returning Riveteers Overlook from your graveyard to the battlefield tapped.
  6. Riveteers Overlook enters the battlefield, triggering itself and Retreat to Coralhelm.
  7. Resolve the Retreat to Coralhelm trigger, untapping Scaretiller.
  8. Repeat from step 3.
Results
Near-infinite landfall triggers. Near-infinite lifegain. Near-infinite lifegain triggers. Put all basic Swamps, Forests, and Mountains from your library onto the battlefield tapped.

Archelos, Lagoon Mystic
0.18% of 3405 decks 6 decks
Yarok, the Desecrated
0.05% of 10460 decks 5 decks
Zimone and Dina
0.06% of 7193 decks 4 decks
Tatyova, Benthic Druid
0.07% of 5925 decks 4 decks
Glacian, Powerstone Engineer // Toggo, Goblin Weaponsmith
3.00% of 100 decks 3 decks
Reaper King
0.04% of 5493 decks 2 decks
Sakashima of a Thousand Faces // Toggo, Goblin Weaponsmith
1.24% of 161 decks 2 decks
Phenax, God of Deception
0.03% of 6416 decks 2 decks
Silas Renn, Seeker Adept // Toggo, Goblin Weaponsmith
0.89% of 225 decks 2 decks
Nine-Fingers Keene
0.02% of 5599 decks 1 decks
Galadriel of Lothlórien
0.03% of 3620 decks 1 decks
Arcades, the Strategist
0.01% of 16808 decks 1 decks
Omnath, Locus of the Roil
0.03% of 2882 decks 1 decks
Aesi, Tyrant of Gyre Strait
0.01% of 10570 decks 1 decks
Silas Renn, Seeker Adept
2.27% of 44 decks 1 decks
Ludevic, Necro-Alchemist // Toggo, Goblin Weaponsmith
16.67% of 6 decks 1 decks
Kydele, Chosen of Kruphix // Thrasios, Triton Hero
0.27% of 368 decks 1 decks
Kraum, Ludevic's Opus // Tymna the Weaver
0.02% of 6602 decks 1 decks
High Synergy Cards
Spelunking
60% of 15 decks +55% synergy
Reckless Fireweaver
56% of 16 decks +52% synergy
Retreat to Hagra
46% of 26 decks +45% synergy
Rampaging Baloths
52% of 33 decks +44% synergy
Valakut Exploration
44% of 16 decks +41% synergy
Brudiclad, Telchor Engineer
44% of 16 decks +40% synergy
Tatyova, Benthic Druid
52% of 33 decks +39% synergy
Walking Atlas
40% of 50 decks +39% synergy
Arid Archway
40% of 10 decks +38% synergy
Ghirapur Aether Grid
38% of 16 decks +37% synergy
Top Cards
Crop Rotation
45% of 33 decks +36% synergy
Growth Spiral
45% of 33 decks +24% synergy
Sun Titan
44% of 9 decks +34% synergy
Path to Exile
44% of 9 decks -1% synergy
Rampant Growth
42% of 33 decks +8% synergy
Avenger of Zendikar
39% of 33 decks +30% synergy
Scute Swarm
39% of 33 decks +29% synergy
Cultivate
39% of 33 decks -7% synergy
Scaled Herbalist
36% of 33 decks +36% synergy
Llanowar Scout
36% of 33 decks +36% synergy
Creatures
Lotus Cobra
36% of 33 decks +29% synergy
Tireless Provisioner
36% of 33 decks +25% synergy
Coiling Oracle
33% of 33 decks +26% synergy
Tunneling Geopede
31% of 16 decks +31% synergy
Spitfire Lagac
31% of 16 decks +31% synergy
Ingenious Artillerist
31% of 16 decks +29% synergy
Budoka Gardener
30% of 33 decks +30% synergy
Eternal Witness
30% of 33 decks +10% synergy
Sakura-Tribe Scout
27% of 33 decks +26% synergy
Courser of Kruphix
27% of 33 decks +23% synergy
Springbloom Druid
27% of 33 decks +23% synergy
Ancient Greenwarden
27% of 33 decks +23% synergy
Azusa, Lost but Seeking
27% of 33 decks +20% synergy
Nesting Dragon
25% of 16 decks +24% synergy
Moraug, Fury of Akoum
25% of 16 decks +22% synergy
Enthusiastic Mechanaut
25% of 16 decks +21% synergy
Sakura-Tribe Elder
24% of 33 decks +6% synergy
Solemn Simulacrum
24% of 50 decks +10% synergy
Ob Nixilis, the Fallen
23% of 26 decks +22% synergy
Burnished Hart
22% of 50 decks +18% synergy
Ramunap Excavator
21% of 33 decks +14% synergy
Archelos, Lagoon Mystic
21% of 19 decks +19% synergy
Patron of the Moon
20% of 50 decks +20% synergy
Tideforce Elemental
20% of 50 decks +20% synergy
Dreamscape Artist
20% of 50 decks +19% synergy
Ruin Crab
20% of 50 decks +18% synergy
Baleful Strix
19% of 26 decks +6% synergy
Akoum Hellkite
19% of 16 decks +18% synergy
Quicksmith Genius
19% of 16 decks +18% synergy
Geode Rager
19% of 16 decks +17% synergy
Goblin Welder
19% of 16 decks +16% synergy
Goblin Engineer
19% of 16 decks +15% synergy
Stone-Seeder Hierophant
18% of 33 decks +18% synergy
Skyshroud Ranger
18% of 33 decks +18% synergy
Kodama of the East Tree
18% of 33 decks +15% synergy
Farhaven Elf
18% of 33 decks +14% synergy
Tireless Tracker
18% of 33 decks +13% synergy
Oracle of Mul Daya
18% of 33 decks +12% synergy
Reclamation Sage
18% of 33 decks +7% synergy
Nissa, Resurgent Animist
18% of 17 decks +16% synergy
Perennial Behemoth
17% of 29 decks +16% synergy
Meloku the Clouded Mirror
16% of 50 decks +15% synergy
Yarok, the Desecrated
16% of 19 decks +13% synergy
Muldrotha, the Gravetide
16% of 19 decks +10% synergy
Zimone, Quandrix Prodigy
15% of 33 decks +14% synergy
Sporemound
15% of 33 decks +14% synergy
Fertilid
15% of 33 decks +13% synergy
Timeless Witness
15% of 33 decks +12% synergy
Titania, Protector of Argoth
15% of 33 decks +12% synergy
Risen Reef
15% of 33 decks +12% synergy
Instants
Negate
36% of 50 decks +13% synergy
Counterspell
34% of 50 decks -9% synergy
Harrow
33% of 33 decks +24% synergy
Swords to Plowshares
33% of 9 decks -29% synergy
Sultai Charm
32% of 19 decks +27% synergy
Beast Within
30% of 33 decks -8% synergy
Archdruid's Charm
30% of 10 decks +23% synergy
Return to Nature
24% of 33 decks +18% synergy
Roiling Regrowth
21% of 33 decks +18% synergy
Deathsprout
21% of 19 decks +17% synergy
Putrefy
21% of 19 decks +5% synergy
Joint Exploration
19% of 32 decks +16% synergy
Entish Restoration
19% of 16 decks +11% synergy
Chaos Warp
19% of 16 decks -13% synergy
Eureka Moment
18% of 33 decks +14% synergy
Ghostly Flicker
16% of 50 decks +11% synergy
Jaheira's Respite
12% of 32 decks +12% synergy
Simic Charm
12% of 33 decks +9% synergy
Double Major
12% of 33 decks +8% synergy
Snakeskin Veil
12% of 33 decks +8% synergy
Nature's Claim
12% of 33 decks +3% synergy
Heroic Intervention
12% of 33 decks -18% synergy
Arcane Denial
12% of 50 decks -8% synergy
Drown in the Loch
12% of 26 decks +5% synergy
Infernal Grasp
12% of 26 decks +4% synergy
Unwind
10% of 50 decks +7% synergy
Resculpt
10% of 50 decks +5% synergy
Fact or Fiction
10% of 50 decks +3% synergy
Reality Shift
10% of 50 decks +1% synergy
Frantic Search
10% of 50 decks -2% synergy
An Offer You Can't Refuse
10% of 50 decks -11% synergy
Brainstorm
10% of 50 decks -11% synergy
Cyclonic Rift
10% of 50 decks -18% synergy
Worldly Tutor
9% of 33 decks -5% synergy
Delay
8% of 50 decks +5% synergy
Muddle the Mixture
8% of 50 decks +3% synergy
Swan Song
8% of 50 decks -8% synergy
Assert Authority
6% of 50 decks +6% synergy
Tidal Bore
6% of 50 decks +6% synergy
Dizzy Spell
6% of 50 decks +6% synergy
Evacuation
6% of 50 decks +4% synergy
Dispel
6% of 50 decks +1% synergy
Aetherize
6% of 50 decks +0% synergy
Pongify
6% of 50 decks -6% synergy
Mystical Tutor
6% of 50 decks -9% synergy
Sorceries
Explore
33% of 33 decks +24% synergy
Sylvan Scrying
27% of 33 decks +24% synergy
Dig Up
26% of 19 decks +24% synergy
Villainous Wealth
26% of 19 decks +18% synergy
Nahiri's Lithoforming
25% of 16 decks +24% synergy
Brass's Bounty
25% of 16 decks +22% synergy
Splendid Reclamation
24% of 33 decks +21% synergy
Kodama's Reach
24% of 33 decks -7% synergy
Broken Bond
21% of 33 decks +19% synergy
Indomitable Creativity
19% of 16 decks +19% synergy
Cleansing Wildfire
19% of 16 decks +18% synergy
Urban Evolution
18% of 33 decks +14% synergy
Mythos of Brokkos
16% of 19 decks +14% synergy
Feed the Swarm
15% of 26 decks -3% synergy
Scapeshift
15% of 33 decks +13% synergy
Nature's Lore
15% of 33 decks -17% synergy
Farseek
15% of 33 decks -19% synergy
Rise and Shine
14% of 50 decks +13% synergy
Boundless Realms
12% of 33 decks +11% synergy
Summer Bloom
12% of 33 decks +11% synergy
Three Visits
12% of 33 decks -13% synergy
Thoughtcast
12% of 50 decks +9% synergy
Diabolic Tutor
12% of 26 decks +5% synergy
Walk the Aeons
10% of 50 decks +9% synergy
Explore the Underdark
9% of 32 decks +8% synergy
Edge of Autumn
9% of 33 decks +8% synergy
Far Wanderings
9% of 33 decks +8% synergy
Reshape the Earth
9% of 33 decks +8% synergy
Circuitous Route
9% of 33 decks +7% synergy
Genesis Wave
9% of 33 decks +7% synergy
Explosive Vegetation
9% of 33 decks +6% synergy
Search for Tomorrow
9% of 33 decks +6% synergy
Tempt with Discovery
9% of 33 decks +5% synergy
Overwhelming Stampede
9% of 33 decks +3% synergy
Harmonize
9% of 33 decks +0% synergy
Curse of the Swine
8% of 50 decks +4% synergy
Reverse Engineer
6% of 50 decks +5% synergy
Borrowing 100,000 Arrows
6% of 50 decks +5% synergy
Universal Surveillance
6% of 50 decks +5% synergy
Flood of Tears
6% of 50 decks +5% synergy
Maddening Cacophony
6% of 50 decks +4% synergy
Utility Artifacts
Wayfarer's Bauble
28% of 50 decks +18% synergy
Conduit of Worlds
25% of 24 decks +19% synergy
Dragonspark Reactor
19% of 16 decks +18% synergy
Ghirapur Orrery
18% of 50 decks +17% synergy
Crucible of Worlds
18% of 50 decks +15% synergy
Swiftfoot Boots
16% of 50 decks -12% synergy
Amulet of Vigor
14% of 50 decks +13% synergy
Expedition Map
14% of 50 decks +11% synergy
Bitterthorn, Nissa's Animus
14% of 29 decks +13% synergy
Navigation Orb
12% of 49 decks +12% synergy
Inspiring Statuary
12% of 50 decks +10% synergy
Sword of the Animist
12% of 50 decks +7% synergy
Pendant of Prosperity
10% of 50 decks +10% synergy
Horn of Greed
10% of 50 decks +9% synergy
Zuran Orb
10% of 50 decks +9% synergy
Lightning Greaves
10% of 50 decks -15% synergy
Storm Cauldron
8% of 50 decks +8% synergy
Seer's Sundial
8% of 50 decks +7% synergy
Clock of Omens
8% of 50 decks +7% synergy
Trading Post
8% of 50 decks +7% synergy
Elixir of Immortality
8% of 50 decks +6% synergy
Blackblade Reforged
8% of 50 decks +4% synergy
Idol of Oblivion
8% of 50 decks +4% synergy
Traveler's Amulet
6% of 50 decks +6% synergy
Armillary Sphere
6% of 50 decks +6% synergy
Staff of Domination
6% of 50 decks +4% synergy
Maskwood Nexus
6% of 50 decks +3% synergy
Panharmonicon
6% of 50 decks +2% synergy
Enchantments
Zendikar's Roil
33% of 33 decks +31% synergy
Felidar Retreat
33% of 9 decks +26% synergy
Retreat to Kazandu
30% of 33 decks +29% synergy
Storm the Vault
25% of 16 decks +22% synergy
Abundance
24% of 33 decks +22% synergy
Retreat to Valakut
19% of 16 decks +19% synergy
Freed from the Real
18% of 50 decks +16% synergy
Druid Class
15% of 33 decks +12% synergy
Wilderness Reclamation
15% of 33 decks +11% synergy
Exploration
15% of 33 decks +7% synergy
Khalni Heart Expedition
12% of 33 decks +10% synergy
Rites of Flourishing
12% of 33 decks +10% synergy
Kenrith's Transformation
12% of 33 decks +6% synergy
Trade Routes
10% of 50 decks +9% synergy
Propaganda
10% of 50 decks -2% synergy
Rhystic Study
10% of 50 decks -18% synergy
Primeval Bounty
9% of 33 decks +8% synergy
Burgeoning
9% of 33 decks +5% synergy
Mystic Remora
8% of 50 decks -10% synergy
Ior Ruin Expedition
6% of 50 decks +6% synergy
The Antiquities War
6% of 50 decks +6% synergy
Sphinx's Tutelage
6% of 50 decks +5% synergy
Pemmin's Aura
6% of 50 decks +5% synergy
Intruder Alarm
6% of 50 decks +4% synergy
Mechanized Production
6% of 50 decks +3% synergy
Planeswalkers
Daretti, Scrap Savant
19% of 16 decks +16% synergy
Utility Lands
Bojuka Bog
38% of 26 decks +8% synergy
Guildless Commons
26% of 50 decks +25% synergy
Reliquary Tower
26% of 50 decks -4% synergy
Great Furnace
25% of 16 decks +19% synergy
Temple of the False God
24% of 50 decks +14% synergy
Yavimaya, Cradle of Growth
18% of 50 decks +9% synergy
Mystic Sanctuary
16% of 50 decks +4% synergy
Ghost Town
14% of 50 decks +14% synergy
Boseiju, Who Endures
12% of 33 decks -7% synergy
Oboro, Palace in the Clouds
12% of 50 decks +11% synergy
Tolaria West
12% of 50 decks +11% synergy
Ghost Quarter
12% of 50 decks +10% synergy
Field of the Dead
12% of 50 decks +9% synergy
Scavenger Grounds
12% of 50 decks +9% synergy
Dreadship Reef
12% of 26 decks +11% synergy
Rogue's Passage
10% of 50 decks -9% synergy
Jungle Basin
9% of 33 decks +8% synergy
Alchemist's Refuge
9% of 33 decks +2% synergy
Coral Atoll
8% of 50 decks +7% synergy
Terrain Generator
8% of 50 decks +7% synergy
Vesuva
8% of 50 decks +7% synergy
Thespian's Stage
8% of 50 decks +5% synergy
Strip Mine
8% of 50 decks +5% synergy
Darksteel Citadel
8% of 50 decks +4% synergy
Seat of the Synod
8% of 50 decks +2% synergy
Glacial Chasm
6% of 50 decks +5% synergy
Dark Depths
6% of 50 decks +5% synergy
Field of Ruin
6% of 50 decks +4% synergy
Lonely Sandbar
6% of 50 decks +3% synergy
Inventors' Fair
6% of 50 decks +2% synergy
Otawara, Soaring City
6% of 50 decks -11% synergy
Mana Artifacts
Sol Ring
54% of 50 decks -30% synergy
Arcane Signet
48% of 50 decks -24% synergy
Izzet Signet
31% of 16 decks +3% synergy
Dimir Signet
19% of 26 decks -10% synergy
Simic Signet
18% of 33 decks +4% synergy
Thought Vessel
16% of 50 decks -1% synergy
Mind Stone
14% of 50 decks -3% synergy
Commander's Sphere
10% of 50 decks -5% synergy
Fellwar Stone
10% of 50 decks -11% synergy
Sky Diamond
8% of 50 decks +3% synergy
Relic of Legends
6% of 49 decks +4% synergy
Springleaf Drum
6% of 50 decks +4% synergy
Lands
Obscura Storefront
86% of 50 decks +85% synergy
Brokers Hideout
84% of 50 decks +82% synergy
Maestros Theater
82% of 50 decks +81% synergy
Foreboding Landscape
75% of 4 decks +62% synergy
Dimir Aqueduct
73% of 26 decks +56% synergy
Golgari Rot Farm
68% of 19 decks +51% synergy
Simic Growth Chamber
64% of 33 decks +44% synergy
Command Tower
62% of 50 decks -12% synergy
Evolving Wilds
54% of 50 decks +33% synergy
Terramorphic Expanse
52% of 50 decks +36% synergy
Myriad Landscape
48% of 50 decks +28% synergy
Opulent Palace
47% of 19 decks +21% synergy
Cabaretti Courtyard
46% of 50 decks +44% synergy
Izzet Boilerworks
38% of 16 decks +21% synergy
Azorius Chancery
33% of 9 decks +19% synergy
Temple of Malady
32% of 19 decks +15% synergy
Blighted Woodland
30% of 33 decks +24% synergy
Fabled Passage
28% of 50 decks +19% synergy
Sunken Hollow
23% of 26 decks -12% synergy
Exotic Orchard
22% of 50 decks -14% synergy
Yavimaya Coast
21% of 33 decks -5% synergy
Shire Terrace
19% of 26 decks +18% synergy
Watery Grave
19% of 26 decks -22% synergy
Silverbluff Bridge
19% of 16 decks +13% synergy
Temple of Mystery
18% of 33 decks +1% synergy
Dreamroot Cascade
18% of 33 decks -1% synergy
Breeding Pool
18% of 33 decks -23% synergy
Misty Rainforest
18% of 50 decks +6% synergy
Undergrowth Stadium
16% of 19 decks -10% synergy
Zagoth Triome
16% of 19 decks -15% synergy
Overgrown Tomb
16% of 19 decks -27% synergy
Temple of Deceit
15% of 26 decks -1% synergy
Underground River
15% of 26 decks -4% synergy
Barkchannel Pathway
15% of 33 decks +6% synergy
Flooded Grove
15% of 33 decks +3% synergy
Prismatic Vista
14% of 50 decks +9% synergy
Tangled Islet
12% of 32 decks +5% synergy
Rimewood Falls
12% of 33 decks +7% synergy
Vineglimmer Snarl
12% of 33 decks +2% synergy
Hinterland Harbor
12% of 33 decks -15% synergy
Polluted Delta
12% of 50 decks +1% synergy
Contaminated Aquifer
12% of 26 decks +8% synergy
Darkslick Shores
12% of 26 decks +6% synergy
Drowned Catacomb
12% of 26 decks -14% synergy
Verdant Catacombs
10% of 50 decks -1% synergy
Simic Guildgate
9% of 33 decks +3% synergy
Scalding Tarn
8% of 50 decks -3% synergy
Marsh Flats
8% of 50 decks -3% synergy
Grixis Panorama
6% of 50 decks +6% synergy
Flood Plain
6% of 50 decks +6% synergy