Scaretiller + Cacophodon + Viridian Longbow + Roaring Earth + Cabaretti Courtyard

Scaretiller
Cacophodon
Viridian Longbow
Roaring Earth
Cabaretti Courtyard

Requires
Scaretiller must be on the battlefield. Cacophodon must be on the battlefield. Viridian Longbow must be on the battlefield. Roaring Earth must be on the battlefield. Cabaretti Courtyard must be in the graveyard. Viridian Longbow attached to Scaretiller. Scaretiller does not have summoning sickness.
Steps
  1. Activate Scaretiller by tapping it, targeting Cacophodon.
  2. Scaretiller triggers, returning Cabaretti Courtyard from your graveyard to the battlefield tapped.
  3. Cabaretti Courtyard enters the battlefield, triggering itself and Roaring Earth.
  4. Resolve the Roaring Earth trigger, putting a +1/+1 counter on Cacophodon.
  5. Resolve the Cabaretti Courtyard trigger, causing you to sacrifice it and search your library for a basic Plains, Mountain or Forest and put it onto the battlefield tapped.
  6. If you put a land onto the battlefield this way, Roaring Earth triggers, putting a +1/+1 counter on a creature you control.
  7. Resolve the Scaretiller ability from step 1, dealing 1 damage to Cacophodon.
  8. Cacophodon triggers, untapping Scaretiller.
  9. Repeat.
Results
Infinite +1/+1 counters on Cacophodon. Infinite landfall triggers. Put all basic Mountains, Forests, and Plains from your library onto the battlefield.

Fynn, the Fangbearer
0.01% of 8896 decks 1 decks
Strong, the Brutish Thespian
0.27% of 366 decks 1 decks
Omnath, Locus of Rage
0.01% of 7098 decks 1 decks
Creatures
Lavakin Brawler
100% of 1 decks +100% synergy
Chandra's Pyreling
100% of 1 decks +100% synergy
Brushfire Elemental
100% of 1 decks +100% synergy
Ankle Biter
100% of 1 decks +99% synergy
Living Twister
100% of 1 decks +99% synergy
Leyline Tyrant
100% of 1 decks +99% synergy
Geode Rager
100% of 1 decks +99% synergy
Nightshade Dryad
100% of 1 decks +97% synergy
Young Pyromancer
100% of 1 decks +95% synergy
Mina and Denn, Wildborn
100% of 1 decks +95% synergy
Ramunap Excavator
67% of 3 decks +60% synergy
Evolution Sage
67% of 3 decks +60% synergy
Harold and Bob, First Numens
50% of 2 decks +49% synergy
Mirkwood Spider
50% of 2 decks +49% synergy
Prize Pig
50% of 2 decks +49% synergy
Glowing One
50% of 2 decks +48% synergy
Tato Farmer
50% of 2 decks +48% synergy
Aftermath Analyst
50% of 2 decks +46% synergy
Orchard Spirit
33% of 3 decks +33% synergy
Elven Riders
33% of 3 decks +33% synergy
Thorn Thallid
33% of 3 decks +33% synergy
Overgrowth Elemental
33% of 3 decks +33% synergy
Nightshade Peddler
33% of 3 decks +33% synergy
Curious Pair
33% of 3 decks +33% synergy
Kessig Recluse
33% of 3 decks +33% synergy
Spawnsire of Ulamog
33% of 3 decks +33% synergy
Lesser Masticore
33% of 3 decks +33% synergy
Ageless Entity
33% of 3 decks +33% synergy
Hua Tuo, Honored Physician
33% of 3 decks +33% synergy
Vinelasher Kudzu
33% of 3 decks +33% synergy
Gamekeeper
33% of 3 decks +33% synergy
Thicket Crasher
33% of 3 decks +33% synergy
Nylea's Forerunner
33% of 3 decks +33% synergy
Narnam Renegade
33% of 3 decks +33% synergy
Gnarlwood Dryad
33% of 3 decks +33% synergy
Kazandu Mammoth
33% of 3 decks +33% synergy
Sedge Scorpion
33% of 3 decks +33% synergy
Wasteland Viper
33% of 3 decks +33% synergy
Sporoloth Ancient
33% of 3 decks +33% synergy
Triskelion
33% of 3 decks +33% synergy
Tajuru Blightblade
33% of 3 decks +33% synergy
Moss Viper
33% of 3 decks +33% synergy
Thornweald Archer
33% of 3 decks +33% synergy
Ichorspit Basilisk
33% of 3 decks +33% synergy
Ambush Viper
33% of 3 decks +33% synergy
Fang of Shigeki
33% of 3 decks +33% synergy
Deadly Recluse
33% of 3 decks +32% synergy
Pollenbright Druid
33% of 3 decks +32% synergy
Endbringer
33% of 3 decks +32% synergy
Oakhame Adversary
33% of 3 decks +32% synergy
Instants
Gift of the Viper
100% of 1 decks +96% synergy
Chaos Warp
100% of 1 decks +68% synergy
Archdruid's Charm
50% of 2 decks +43% synergy
Lace with Moonglove
33% of 3 decks +33% synergy
Predator's Strike
33% of 3 decks +33% synergy
Barrier Breach
33% of 3 decks +33% synergy
Blessed Respite
33% of 3 decks +32% synergy
Grapple with the Past
33% of 3 decks +32% synergy
Infectious Bite
33% of 3 decks +31% synergy
Khalni Ambush
33% of 3 decks +31% synergy
Fog
33% of 3 decks +31% synergy
Ram Through
33% of 3 decks +30% synergy
Hunter's Insight
33% of 3 decks +29% synergy
Snakeskin Veil
33% of 3 decks +29% synergy
Tamiyo's Safekeeping
33% of 3 decks +27% synergy
Inspiring Call
33% of 3 decks +26% synergy
Harrow
33% of 3 decks +24% synergy
Return of the Wildspeaker
33% of 3 decks +20% synergy
Beast Within
33% of 3 decks -6% synergy
Sorceries
Struggle // Survive
100% of 1 decks +100% synergy
Ground Assault
100% of 1 decks +100% synergy
Nahiri's Lithoforming
100% of 1 decks +99% synergy
Horrific Assault
100% of 1 decks +99% synergy
Faithless Looting
100% of 1 decks +83% synergy
Smell Fear
67% of 3 decks +65% synergy
Migration Path
67% of 3 decks +63% synergy
Unnatural Restoration
67% of 3 decks +63% synergy
Explore
67% of 3 decks +58% synergy
Elven Cache
33% of 3 decks +33% synergy
Recollect
33% of 3 decks +33% synergy
Road of Return
33% of 3 decks +33% synergy
Prey Upon
33% of 3 decks +33% synergy
Creeping Renaissance
33% of 3 decks +33% synergy
Planewide Celebration
33% of 3 decks +33% synergy
Far Wanderings
33% of 3 decks +32% synergy
Animist's Awakening
33% of 3 decks +32% synergy
Broken Bond
33% of 3 decks +31% synergy
Regrowth
33% of 3 decks +30% synergy
Splendid Reclamation
33% of 3 decks +30% synergy
Tempt with Discovery
33% of 3 decks +30% synergy
Awaken the Woods
33% of 3 decks +30% synergy
Bala Ged Recovery
33% of 3 decks +24% synergy
Skyshroud Claim
33% of 3 decks +24% synergy
Three Visits
33% of 3 decks +9% synergy
Kodama's Reach
33% of 3 decks +2% synergy
Nature's Lore
33% of 3 decks +1% synergy
Rampant Growth
33% of 3 decks -1% synergy
Cultivate
33% of 3 decks -13% synergy
Utility Artifacts
Hunter's Bow
100% of 1 decks +99% synergy
Nuka-Nuke Launcher
50% of 2 decks +50% synergy
Elven Lyre
33% of 3 decks +33% synergy
Rod of Ruin
33% of 3 decks +33% synergy
Bullwhip
33% of 3 decks +33% synergy
Bösium Strip
33% of 3 decks +33% synergy
Serpent Generator
33% of 3 decks +33% synergy
Retributive Wand
33% of 3 decks +33% synergy
Rocket Launcher
33% of 3 decks +33% synergy
Pathway Arrows
33% of 3 decks +33% synergy
Acorn Catapult
33% of 3 decks +33% synergy
Skyclave Pick-Axe
33% of 3 decks +33% synergy
Caltrops
33% of 3 decks +33% synergy
Staff of Nin
33% of 3 decks +33% synergy
Contagion Clasp
33% of 3 decks +32% synergy
Well of Lost Dreams
33% of 3 decks +32% synergy
Crucible of Worlds
33% of 3 decks +31% synergy
Conduit of Worlds
33% of 3 decks +27% synergy
Ashnod's Altar
33% of 3 decks +26% synergy
Lightning Greaves
33% of 3 decks +8% synergy
Enchantments
Valakut Exploration
100% of 1 decks +98% synergy
Splintering Wind
33% of 3 decks +33% synergy
Life and Limb
33% of 3 decks +33% synergy
Trudge Garden
33% of 3 decks +33% synergy
The Mending of Dominaria
33% of 3 decks +32% synergy
Khalni Heart Expedition
33% of 3 decks +31% synergy
Rites of Flourishing
33% of 3 decks +31% synergy
Zendikar Resurgent
33% of 3 decks +31% synergy
Zendikar's Roil
33% of 3 decks +31% synergy
Growing Rites of Itlimoc
33% of 3 decks +28% synergy
Parallel Lives
33% of 3 decks +26% synergy
Planeswalkers
Garruk Wildspeaker
33% of 3 decks +32% synergy
Wrenn and Realmbreaker
33% of 3 decks +31% synergy
Nissa, Who Shakes the World
33% of 3 decks +30% synergy
Utility Lands
Yavimaya, Cradle of Growth
67% of 3 decks +57% synergy
Mariposa Military Base
50% of 2 decks +49% synergy
Hidden Nursery
50% of 2 decks +48% synergy
Inkmoth Nexus
33% of 3 decks +33% synergy
Slippery Karst
33% of 3 decks +32% synergy
Swarmyard
33% of 3 decks +32% synergy
Wasteland
33% of 3 decks +32% synergy
Argoth, Sanctum of Nature
33% of 3 decks +31% synergy
Tyrite Sanctum
33% of 3 decks +31% synergy
Bonders' Enclave
33% of 3 decks +31% synergy
Tranquil Thicket
33% of 3 decks +30% synergy
Oran-Rief, the Vastwood
33% of 3 decks +28% synergy
Karn's Bastion
33% of 3 decks +28% synergy
Castle Garenbrig
33% of 3 decks +28% synergy
Nykthos, Shrine to Nyx
33% of 3 decks +28% synergy
War Room
33% of 3 decks +27% synergy
Temple of the False God
33% of 3 decks +24% synergy
Boseiju, Who Endures
33% of 3 decks +14% synergy
Reliquary Tower
33% of 3 decks +4% synergy
Mana Artifacts
Gruul Signet
100% of 1 decks +88% synergy
Sol Ring
100% of 3 decks +16% synergy
Heraldic Banner
33% of 3 decks +32% synergy
Thought Vessel
33% of 3 decks +17% synergy
Arcane Signet
33% of 3 decks -39% synergy
Lands
Brokers Hideout
67% of 3 decks +65% synergy
Riveteers Overlook
67% of 3 decks +65% synergy
Blighted Woodland
67% of 3 decks +61% synergy
Terramorphic Expanse
67% of 3 decks +51% synergy
Myriad Landscape
67% of 3 decks +47% synergy
Escape Tunnel
50% of 2 decks +48% synergy
Mirrex
33% of 3 decks +32% synergy
Opal Palace
33% of 3 decks +31% synergy
Evolving Wilds
33% of 3 decks +12% synergy
Command Tower
33% of 3 decks -41% synergy