Nim Deathmantle + Llanowar Druid + Concordant Crossroads

Nim Deathmantle
Llanowar Druid
Concordant Crossroads

Requires
Nim Deathmantle must be on the battlefield. Llanowar Druid must be on the battlefield. Concordant Crossroads must be on the battlefield. You control at least five Forests.
Steps
  1. Activate five Forests by tapping them, adding .
  2. Activate Llanowar Druid by tapping and sacrificing it.
  3. Llanowar Druid dies, triggering Nim Deathmantle, causing you to pay 4 to return Llanowar Druid from your graveyard to the battlefield, and attach Nim Deathmantle to it.
  4. Resolve the Llanowar Druid ability from step 2, untapping all Forests.
  5. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite green mana. Infinite LTB. Infinite sacrifice triggers. Infinite untap of all Forests.

Nylea, Keen-Eyed
0.16% of 629 decks 1 decks
Titania, Protector of Argoth
0.04% of 2545 decks 1 decks
Ezuri, Renegade Leader
0.04% of 2653 decks 1 decks
Creatures
Eladamri, Korvecdal
100% of 1 decks +89% synergy
Disciple of Freyalise
100% of 1 decks +74% synergy
Fanatic of Rhonas
100% of 1 decks +65% synergy
Joraga Treespeaker
67% of 3 decks +61% synergy
Seedborn Muse
67% of 3 decks +55% synergy
Elvish Archdruid
67% of 3 decks +55% synergy
Wood Elves
67% of 3 decks +54% synergy
Priest of Titania
67% of 3 decks +52% synergy
Reclamation Sage
67% of 3 decks +38% synergy
Eternal Witness
67% of 3 decks +31% synergy
Wakeroot Elemental
50% of 2 decks +49% synergy
Rootpath Purifier
50% of 2 decks +48% synergy
Arboreal Grazer
50% of 2 decks +48% synergy
Grothama, All-Devouring
50% of 2 decks +48% synergy
Blossoming Tortoise
50% of 2 decks +47% synergy
Tangled Florahedron
50% of 2 decks +47% synergy
Perennial Behemoth
50% of 2 decks +47% synergy
Yedora, Grave Gardener
50% of 2 decks +47% synergy
Shigeki, Jukai Visionary
50% of 2 decks +46% synergy
Kamahl, Heart of Krosa
50% of 2 decks +46% synergy
Destiny Spinner
50% of 2 decks +45% synergy
Elder Gargaroth
50% of 2 decks +45% synergy
Oakhame Adversary
50% of 2 decks +44% synergy
Marwyn, the Nurturer
50% of 2 decks +44% synergy
Llanowar Visionary
50% of 2 decks +43% synergy
Multani, Yavimaya's Avatar
50% of 2 decks +43% synergy
Titania, Nature's Force
50% of 2 decks +43% synergy
Ancient Greenwarden
50% of 2 decks +42% synergy
Augur of Autumn
50% of 2 decks +40% synergy
Silverback Elder
50% of 2 decks +39% synergy
Allosaurus Shepherd
50% of 2 decks +38% synergy
Ohran Frostfang
50% of 2 decks +38% synergy
Toski, Bearer of Secrets
50% of 2 decks +36% synergy
Llanowar Tribe
50% of 2 decks +35% synergy
Ashaya, Soul of the Wild
50% of 2 decks +34% synergy
Kogla, the Titan Ape
50% of 2 decks +34% synergy
Surrak and Goreclaw
50% of 2 decks +32% synergy
Circle of Dreams Druid
50% of 2 decks +32% synergy
Beast Whisperer
50% of 2 decks +11% synergy
Spitting Spider
33% of 3 decks +33% synergy
Mul Daya Channelers
33% of 3 decks +33% synergy
Elvish Soultiller
33% of 3 decks +33% synergy
Keeper of Progenitus
33% of 3 decks +33% synergy
Kaysa
33% of 3 decks +33% synergy
Riftsweeper
33% of 3 decks +33% synergy
Wren's Run Packmaster
33% of 3 decks +33% synergy
Viridian Zealot
33% of 3 decks +33% synergy
Glissa Sunseeker
33% of 3 decks +33% synergy
Skyshroud Poacher
33% of 3 decks +33% synergy
Heedless One
33% of 3 decks +33% synergy
Instants
Archdruid's Charm
100% of 1 decks +69% synergy
Beast Within
67% of 3 decks +3% synergy
Benefactor's Draught
50% of 2 decks +47% synergy
Shared Summons
50% of 2 decks +44% synergy
Roiling Regrowth
50% of 2 decks +42% synergy
Veil of Summer
50% of 2 decks +38% synergy
Entish Restoration
50% of 2 decks +29% synergy
Heroic Intervention
50% of 2 decks +4% synergy
Animate Land
33% of 3 decks +33% synergy
Natural Affinity
33% of 3 decks +32% synergy
Early Harvest
33% of 3 decks +31% synergy
Fog
33% of 3 decks +22% synergy
Harrow
33% of 3 decks +16% synergy
Crop Rotation
33% of 3 decks +16% synergy
Worldly Tutor
33% of 3 decks +13% synergy
Nature's Claim
33% of 3 decks +9% synergy
Sorceries
Green Sun's Zenith
67% of 3 decks +47% synergy
Shamanic Revelation
67% of 3 decks +43% synergy
Threats Undetected
50% of 2 decks +48% synergy
Sylvan Awakening
50% of 2 decks +47% synergy
Eldritch Evolution
50% of 2 decks +45% synergy
Splendid Reclamation
50% of 2 decks +44% synergy
Last March of the Ents
50% of 2 decks +30% synergy
Primal Surge
33% of 3 decks +32% synergy
Time of Need
33% of 3 decks +32% synergy
Summer Bloom
33% of 3 decks +31% synergy
Hurricane
33% of 3 decks +31% synergy
Scapeshift
33% of 3 decks +28% synergy
Regrowth
33% of 3 decks +22% synergy
Genesis Wave
33% of 3 decks +21% synergy
Utility Artifacts
Umbral Mantle
67% of 3 decks +60% synergy
The Great Henge
50% of 2 decks +25% synergy
Witchbane Orb
33% of 3 decks +33% synergy
Ring of Three Wishes
33% of 3 decks +33% synergy
Font of Mythos
33% of 3 decks +33% synergy
Blasting Station
33% of 3 decks +33% synergy
Elixir of Immortality
33% of 3 decks +32% synergy
Spellbook
33% of 3 decks +32% synergy
Eldrazi Monument
33% of 3 decks +32% synergy
Vedalken Orrery
33% of 3 decks +32% synergy
Ashnod's Altar
33% of 3 decks +31% synergy
Expedition Map
33% of 3 decks +30% synergy
Loxodon Warhammer
33% of 3 decks +29% synergy
Thousand-Year Elixir
33% of 3 decks +29% synergy
Crucible of Worlds
33% of 3 decks +27% synergy
Zuran Orb
33% of 3 decks +27% synergy
Bow of Nylea
33% of 3 decks +25% synergy
Lightning Greaves
33% of 3 decks +9% synergy
Emerald Medallion
33% of 3 decks -1% synergy
Enchantments
Kenrith's Transformation
100% of 2 decks +72% synergy
Growing Rites of Itlimoc
50% of 2 decks +36% synergy
Guardian Project
50% of 2 decks +30% synergy
Garruk's Uprising
50% of 2 decks +15% synergy
Elven Palisade
33% of 3 decks +33% synergy
Eladamri's Vineyard
33% of 3 decks +33% synergy
Dictate of Karametra
33% of 3 decks +33% synergy
Perilous Forays
33% of 3 decks +32% synergy
Heartbeat of Spring
33% of 3 decks +32% synergy
Living Lands
33% of 3 decks +32% synergy
Nature's Will
33% of 3 decks +31% synergy
Survival of the Fittest
33% of 3 decks +31% synergy
Rites of Flourishing
33% of 3 decks +31% synergy
Carpet of Flowers
33% of 3 decks +29% synergy
Vernal Bloom
33% of 3 decks +29% synergy
Mana Reflection
33% of 3 decks +28% synergy
Abundance
33% of 3 decks +26% synergy
Zendikar Resurgent
33% of 3 decks +23% synergy
Asceticism
33% of 3 decks +22% synergy
Bear Umbra
33% of 3 decks +21% synergy
Elemental Bond
33% of 3 decks +20% synergy
Utopia Sprawl
33% of 3 decks +18% synergy
Sylvan Library
33% of 3 decks +13% synergy
Wild Growth
33% of 3 decks +6% synergy
Battles
Planeswalkers
Vivien, Monsters' Advocate
50% of 2 decks +46% synergy
Nissa, Vital Force
50% of 2 decks +45% synergy
Garruk Wildspeaker
33% of 3 decks +30% synergy
Utility Lands
Wirewood Lodge
67% of 3 decks +57% synergy
Dryad Arbor
67% of 3 decks +54% synergy
Nykthos, Shrine to Nyx
67% of 3 decks +37% synergy
Emergence Zone
50% of 2 decks +45% synergy
Lair of the Hydra
50% of 2 decks +43% synergy
Yavimaya, Cradle of Growth
50% of 2 decks +26% synergy
Boseiju, Who Endures
50% of 2 decks +24% synergy
Castle Garenbrig
50% of 2 decks +18% synergy
Dread Statuary
33% of 3 decks +33% synergy
Blinkmoth Nexus
33% of 3 decks +33% synergy
Mutavault
33% of 3 decks +33% synergy
Lotus Vale
33% of 3 decks +33% synergy
Treetop Village
33% of 3 decks +32% synergy
Havenwood Battleground
33% of 3 decks +32% synergy
Glacial Chasm
33% of 3 decks +31% synergy
Ghost Quarter
33% of 3 decks +28% synergy
Yavimaya Hollow
33% of 3 decks +28% synergy
Strip Mine
33% of 3 decks +27% synergy
Command Beacon
33% of 3 decks +26% synergy
Ancient Tomb
33% of 3 decks +25% synergy
Gaea's Cradle
33% of 3 decks +23% synergy
Mosswort Bridge
33% of 3 decks +5% synergy
Rogue's Passage
33% of 3 decks -2% synergy
Mana Artifacts
Sol Ring
67% of 3 decks -5% synergy
Mana Crypt
33% of 3 decks +28% synergy
Caged Sun
33% of 3 decks +23% synergy
Lands
Blighted Woodland
67% of 3 decks +51% synergy
Fabled Passage
50% of 2 decks +42% synergy
Gemstone Caverns
33% of 3 decks +30% synergy
Command Tower
33% of 3 decks +29% synergy
Terramorphic Expanse
33% of 3 decks +24% synergy
Evolving Wilds
33% of 3 decks +22% synergy
Myriad Landscape
33% of 3 decks +8% synergy