Quirion Ranger + Elvish Pioneer + Cloudstone Curio + Llanowar Tribe

Quirion Ranger
Elvish Pioneer
Cloudstone Curio
Llanowar Tribe

Requires
Quirion Ranger must be in hand. Elvish Pioneer must be on the battlefield. Cloudstone Curio must be on the battlefield. Llanowar Tribe must be on the battlefield. You control a basic Forest. Llanowar Tribe does not have summoning sickness.
Steps
  1. Activate Llanowar Tribe by tapping it, adding .
  2. Cast Quirion Ranger by paying .
  3. Quirion Ranger enters the battlefield, triggering Cloudstone Curio, returning Elvish Pioneer from the battlefield to your hand.
  4. Activate Quirion Ranger by returning a basic Forest from the battlefield to your hand, untapping Llanowar Tribe.
  5. Cast Elvish Pioneer by paying .
  6. Elvish Pioneer enters the battlefield, triggering itself and Cloudstone Curio.
  7. Resolve the Elvish Pioneer trigger, putting a basic Forest from your hand onto the battlefield tapped.
  8. Resolve the Cloudstone Curio trigger, returning Quirion Ranger from the battlefield to your hand.
  9. Repeat.
Results
Infinite ETB. Infinite green mana. Infinite landfall triggers. Infinite LTB. Infinite mana creatures you control can produce. Infinite storm count. Infinite untap of creatures you control.

Dionus, Elvish Archdruid
0.75% of 267 decks 2 decks
Top Commanders
Seton, Krosan Protector
2.33% of 1031 decks 24 decks
Marwyn, the Nurturer
0.24% of 5896 decks 14 decks
Momir Vig, Simic Visionary
0.10% of 1008 decks 1 decks
Ezuri, Renegade Leader
0.04% of 2653 decks 1 decks
Aeve, Progenitor Ooze
0.02% of 4220 decks 1 decks
Kodama of the East Tree // Sakashima of a Thousand Faces
0.08% of 1219 decks 1 decks
Surrak and Goreclaw
0.19% of 528 decks 1 decks
Raggadragga, Goreguts Boss
0.01% of 6869 decks 1 decks
Yisan, the Wanderer Bard
0.05% of 1953 decks 1 decks
Tatyova, Benthic Druid
0.02% of 5751 decks 1 decks
High Synergy Cards
Priest of Titania
94% of 48 decks +90% synergy
Elvish Archdruid
92% of 48 decks +88% synergy
Circle of Dreams Druid
91% of 46 decks +87% synergy
Fyndhorn Elves
96% of 48 decks +83% synergy
Arbor Elf
85% of 48 decks +79% synergy
Elvish Mystic
96% of 48 decks +78% synergy
Beast Whisperer
90% of 48 decks +77% synergy
Llanowar Elves
98% of 48 decks +77% synergy
Leaf-Crowned Visionary
72% of 43 decks +70% synergy
Wirewood Symbiote
71% of 48 decks +70% synergy
Top Cards
Staff of Domination
69% of 48 decks +67% synergy
Karametra's Acolyte
69% of 48 decks +67% synergy
Disciple of Freyalise
69% of 16 decks +61% synergy
Vitalize
67% of 48 decks +66% synergy
Devoted Druid
65% of 48 decks +62% synergy
Umbral Mantle
62% of 48 decks +62% synergy
Temur Sabertooth
62% of 48 decks +59% synergy
Concordant Crossroads
60% of 48 decks +58% synergy
Green Sun's Zenith
60% of 48 decks +54% synergy
Realmwalker
60% of 47 decks +54% synergy
Creatures
Coiling Oracle
100% of 3 decks +92% synergy
Gilt-Leaf Archdruid
58% of 48 decks +58% synergy
Heritage Druid
58% of 48 decks +58% synergy
Joraga Treespeaker
56% of 48 decks +55% synergy
Regal Force
56% of 48 decks +55% synergy
Boreal Druid
56% of 48 decks +54% synergy
Wirewood Channeler
50% of 48 decks +49% synergy
Eladamri, Korvecdal
50% of 18 decks +47% synergy
Birchlore Rangers
48% of 48 decks +48% synergy
Marwyn, the Nurturer
48% of 48 decks +45% synergy
Craterhoof Behemoth
48% of 48 decks +42% synergy
Elvish Harbinger
46% of 48 decks +45% synergy
Augur of Autumn
46% of 46 decks +42% synergy
Llanowar Visionary
45% of 47 decks +43% synergy
Fanatic of Rhonas
44% of 9 decks +35% synergy
Scryb Ranger
44% of 48 decks +43% synergy
Soul of the Harvest
44% of 48 decks +41% synergy
Ashaya, Soul of the Wild
43% of 47 decks +39% synergy
Eternal Witness
42% of 48 decks +21% synergy
Allosaurus Shepherd
40% of 47 decks +38% synergy
Elvish Visionary
40% of 48 decks +37% synergy
Incubation Druid
40% of 48 decks +35% synergy
Fierce Empath
35% of 48 decks +33% synergy
Reclamation Sage
35% of 48 decks +24% synergy
Ezuri, Renegade Leader
33% of 48 decks +32% synergy
Druid Lyrist
31% of 48 decks +31% synergy
Defiler of Vigor
30% of 43 decks +26% synergy
Kamahl, Fist of Krosa
29% of 48 decks +29% synergy
Voyaging Satyr
29% of 48 decks +29% synergy
Gala Greeters
29% of 45 decks +26% synergy
Elvish Warmaster
28% of 47 decks +26% synergy
Krosan Wayfarer
27% of 48 decks +27% synergy
Krosan Restorer
27% of 48 decks +27% synergy
Heart Warden
25% of 48 decks +25% synergy
Voice of Many
25% of 48 decks +25% synergy
Hyrax Tower Scout
25% of 48 decks +25% synergy
Seeker of Skybreak
25% of 48 decks +24% synergy
Galadhrim Brigade
25% of 24 decks +24% synergy
Selvala, Heart of the Wilds
25% of 48 decks +20% synergy
Birds of Paradise
25% of 48 decks -2% synergy
Masked Vandal
23% of 47 decks +21% synergy
Great Oak Guardian
23% of 48 decks +22% synergy
Primordial Sage
23% of 48 decks +22% synergy
Farhaven Elf
23% of 48 decks +19% synergy
Seedborn Muse
23% of 48 decks +15% synergy
Kogla, the Titan Ape
21% of 47 decks +18% synergy
Llanowar Druid
21% of 48 decks +21% synergy
Treefolk Harbinger
21% of 48 decks +21% synergy
Leafkin Druid
21% of 48 decks +20% synergy
Deeproot Historian
21% of 24 decks +20% synergy
Instants
Chord of Calling
56% of 48 decks +50% synergy
Crop Rotation
50% of 48 decks +40% synergy
Worldly Tutor
44% of 48 decks +30% synergy
Benefactor's Draught
42% of 48 decks +41% synergy
Heroic Intervention
42% of 48 decks +12% synergy
Summoner's Pact
40% of 48 decks +38% synergy
Beast Within
40% of 48 decks +1% synergy
Archdruid's Charm
29% of 21 decks +21% synergy
Veil of Summer
23% of 48 decks +17% synergy
Nature's Claim
23% of 48 decks +13% synergy
Force of Vigor
21% of 48 decks +17% synergy
Return of the Wildspeaker
21% of 48 decks +7% synergy
Kindred Summons
19% of 48 decks +17% synergy
Krosan Grip
17% of 48 decks +9% synergy
Shared Summons
15% of 48 decks +13% synergy
Emerald Charm
12% of 48 decks +12% synergy
Autumn's Veil
10% of 48 decks +9% synergy
Witch's Web
7% of 46 decks +6% synergy
Tamiyo's Safekeeping
7% of 46 decks -0% synergy
Snakeskin Veil
6% of 47 decks +2% synergy
Squall Line
6% of 48 decks +6% synergy
Might of Old Krosa
6% of 48 decks +6% synergy
Invigorate
6% of 48 decks +5% synergy
Naturalize
6% of 48 decks +4% synergy
Return to Nature
6% of 48 decks -0% synergy
Sorceries
Shamanic Revelation
54% of 48 decks +45% synergy
Glimpse of Nature
50% of 48 decks +50% synergy
Natural Order
44% of 48 decks +41% synergy
Mobilize
42% of 48 decks +41% synergy
Finale of Devastation
40% of 48 decks +31% synergy
Genesis Wave
38% of 48 decks +35% synergy
Collective Unconscious
23% of 48 decks +22% synergy
Sylvan Scrying
21% of 48 decks +18% synergy
Triumph of the Hordes
21% of 48 decks +17% synergy
Tooth and Nail
15% of 48 decks +13% synergy
Harvest Season
15% of 48 decks +12% synergy
Regrowth
15% of 48 decks +11% synergy
Eldritch Evolution
15% of 48 decks +10% synergy
Harmonize
15% of 48 decks +6% synergy
Rishkar's Expertise
15% of 48 decks +4% synergy
Turntimber Symbiosis
13% of 47 decks +11% synergy
Soul's Majesty
12% of 48 decks +11% synergy
Creeping Renaissance
10% of 48 decks +10% synergy
Praetor's Counsel
10% of 48 decks +10% synergy
Hurricane
8% of 48 decks +8% synergy
Sylvan Tutor
8% of 48 decks +7% synergy
Elvish Promenade
8% of 48 decks +7% synergy
Bala Ged Recovery
6% of 47 decks -3% synergy
Nature's Lore
6% of 48 decks -26% synergy
Utility Artifacts
Thousand-Year Elixir
40% of 48 decks +37% synergy
Lifecrafter's Bestiary
35% of 48 decks +31% synergy
Lightning Greaves
29% of 48 decks +4% synergy
Sword of the Paruns
27% of 48 decks +27% synergy
Vanquisher's Banner
25% of 48 decks +21% synergy
The Great Henge
25% of 48 decks +15% synergy
Emerald Medallion
19% of 48 decks +17% synergy
Aetherflux Reservoir
19% of 48 decks +15% synergy
Throne of the God-Pharaoh
17% of 48 decks +16% synergy
Maskwood Nexus
11% of 47 decks +8% synergy
Swiftfoot Boots
10% of 48 decks -17% synergy
Skullclamp
8% of 48 decks -4% synergy
Null Rod
6% of 48 decks +6% synergy
Winter Orb
6% of 48 decks +6% synergy
Rhonas's Monument
6% of 48 decks +5% synergy
Vedalken Orrery
6% of 48 decks +5% synergy
Enchantments
Guardian Project
54% of 48 decks +46% synergy
Growing Rites of Itlimoc
44% of 48 decks +38% synergy
Leyline of Abundance
29% of 48 decks +28% synergy
Sylvan Library
27% of 48 decks +15% synergy
Elven Chorus
25% of 24 decks +20% synergy
Utopia Sprawl
25% of 48 decks +17% synergy
Aluren
23% of 48 decks +23% synergy
Kenrith's Transformation
21% of 48 decks +14% synergy
Wild Growth
21% of 48 decks +10% synergy
Elvish Guidance
19% of 48 decks +18% synergy
Recycle
17% of 48 decks +17% synergy
Song of the Dryads
17% of 48 decks +14% synergy
Quest for Renewal
15% of 48 decks +13% synergy
Mana Reflection
15% of 48 decks +13% synergy
Instill Energy
10% of 48 decks +10% synergy
Helix Pinnacle
10% of 48 decks +9% synergy
Lignify
10% of 48 decks +9% synergy
Survival of the Fittest
10% of 48 decks +9% synergy
Abundance
10% of 48 decks +8% synergy
Zendikar Resurgent
10% of 48 decks +8% synergy
Hall of Gemstone
8% of 48 decks +8% synergy
Asceticism
8% of 48 decks +5% synergy
Carpet of Flowers
8% of 48 decks +5% synergy
Exploration
8% of 48 decks -0% synergy
Nature's Chosen
6% of 48 decks +6% synergy
Battles
Invasion of Ikoria
14% of 29 decks +9% synergy
Planeswalkers
Freyalise, Llanowar's Fury
12% of 48 decks +11% synergy
Vivien, Monsters' Advocate
9% of 47 decks +8% synergy
Nissa, Who Shakes the World
8% of 48 decks +5% synergy
Garruk Wildspeaker
6% of 48 decks +5% synergy
Vivien, Champion of the Wilds
6% of 48 decks +4% synergy
Utility Lands
Three Tree City
67% of 6 decks +56% synergy
Wirewood Lodge
65% of 48 decks +63% synergy
Nykthos, Shrine to Nyx
58% of 48 decks +53% synergy
Gaea's Cradle
42% of 48 decks +36% synergy
Yavimaya, Cradle of Growth
38% of 47 decks +29% synergy
Shifting Woodland
36% of 11 decks +27% synergy
Castle Garenbrig
31% of 48 decks +26% synergy
Boseiju, Who Endures
26% of 46 decks +7% synergy
Dryad Arbor
21% of 48 decks +17% synergy
Reliquary Tower
21% of 48 decks -9% synergy
Deserted Temple
15% of 48 decks +14% synergy
War Room
9% of 47 decks +2% synergy
Yavimaya Hollow
8% of 48 decks +7% synergy
Emergence Zone
8% of 48 decks +6% synergy
Maze of Ith
8% of 48 decks +6% synergy
Ancient Tomb
8% of 48 decks -2% synergy
Pendelhaven
6% of 48 decks +6% synergy
Strip Mine
6% of 48 decks +3% synergy
Tranquil Thicket
6% of 48 decks +2% synergy
Mosswort Bridge
6% of 48 decks -4% synergy
Mana Artifacts
Sol Ring
38% of 48 decks -47% synergy
Jeweled Lotus
23% of 47 decks +17% synergy
Tangleroot
17% of 48 decks +17% synergy
Mana Crypt
12% of 48 decks +4% synergy
Arcane Signet
12% of 48 decks -59% synergy
Mox Diamond
8% of 48 decks +4% synergy
Lotus Petal
8% of 48 decks +2% synergy
Chrome Mox
6% of 48 decks -0% synergy
Lands
Cavern of Souls
27% of 48 decks +20% synergy
Misty Rainforest
12% of 48 decks +1% synergy
Prismatic Vista
10% of 48 decks +5% synergy
Wooded Foothills
10% of 48 decks +0% synergy
Windswept Heath
10% of 48 decks -0% synergy
Path of Ancestry
10% of 48 decks -11% synergy
Verdant Catacombs
8% of 48 decks -3% synergy
Opal Palace
6% of 48 decks +4% synergy
Gemstone Caverns
6% of 48 decks +1% synergy
Myriad Landscape
6% of 48 decks -13% synergy
Command Tower
6% of 48 decks -68% synergy