Elemental Mastery + Cathars' Crusade + Devoted Druid

Elemental Mastery
Cathars' Crusade
Devoted Druid

Requires
Elemental Mastery must be on the battlefield. Cathars' Crusade must be on the battlefield. Devoted Druid must be on the battlefield. Elemental Mastery attached to Devoted Druid. Devoted Druid does not have summoning sickness, and has a power of one or greater.
Steps
  1. Activate Devoted Druid by tapping it, creating at least two 1/1 Elemental creature tokens with haste.
  2. When the Elementals enters the battlefield, Cathars' Crusade trigger that many times, putting that many +1/+1 counters on each creature you control.
  3. Activate Devoted Druid by putting a -1/-1 counter on it, untapping it.
  4. Repeat.
  5. If Devoted Druid has a power of two or greater, you then get infinite +1/+1 counters on Devoted Druid, which you may use to activate its mana ability instead to get infinite .
Results
Infinite +1/+1 counters. Infinite creature tokens with haste. Infinite ETB. Infinite green mana.

Jinnie Fay, Jetmir's Second
0.04% of 5300 decks 2 decks
Marath, Will of the Wild
0.08% of 2413 decks 2 decks
Ghired, Mirror of the Wilds
0.09% of 2319 decks 2 decks
Jegantha, the Wellspring
0.07% of 1364 decks 1 decks
Marisi, Breaker of the Coil
0.03% of 3865 decks 1 decks
Baylen, the Haymaker
0.01% of 7661 decks 1 decks
Rocco, Cabaretti Caterer
0.02% of 5859 decks 1 decks
High Synergy Cards
Midnight Guard
90% of 10 decks +90% synergy
Presence of Gond
90% of 10 decks +90% synergy
Splinter Twin
80% of 10 decks +79% synergy
Scurry Oak
80% of 10 decks +78% synergy
Herd Baloth
70% of 10 decks +69% synergy
Ivy Lane Denizen
70% of 10 decks +68% synergy
Rosie Cotton of South Lane
67% of 9 decks +63% synergy
Impact Tremors
70% of 10 decks +61% synergy
Sunstrike Legionnaire
50% of 10 decks +50% synergy
Witty Roastmaster
50% of 10 decks +47% synergy
Top Cards
Goblin Bombardment
50% of 10 decks +44% synergy
Requiem Angel
40% of 10 decks +39% synergy
Aura Mutation
40% of 10 decks +36% synergy
Phyrexian Altar
40% of 10 decks +36% synergy
Artifact Mutation
40% of 10 decks +35% synergy
Purphoros, God of the Forge
40% of 10 decks +35% synergy
Jaheira, Friend of the Forest
40% of 10 decks +35% synergy
Champion of Lambholt
40% of 10 decks +33% synergy
Parallel Lives
40% of 10 decks +33% synergy
Ashnod's Altar
40% of 10 decks +32% synergy
Creatures
Vigean Graftmage
100% of 1 decks +100% synergy
Deceiver Exarch
100% of 1 decks +100% synergy
Pestermite
100% of 1 decks +100% synergy
Grand Architect
100% of 1 decks +99% synergy
Deathbloom Ritualist
100% of 1 decks +99% synergy
Gyre Engineer
100% of 1 decks +99% synergy
Basking Broodscale
100% of 1 decks +98% synergy
Mikaeus, the Unhallowed
100% of 1 decks +97% synergy
Peregrine Drake
100% of 1 decks +97% synergy
Miirym, Sentinel Wyrm
100% of 1 decks +93% synergy
Charismatic Conqueror
40% of 5 decks +35% synergy
Ojer Taq, Deepest Foundation
40% of 5 decks +34% synergy
Birds of Paradise
40% of 10 decks +13% synergy
Wylie Duke, Atiin Hero
33% of 3 decks +32% synergy
Vaultborn Tyrant
33% of 3 decks +30% synergy
Shalai and Hallar
33% of 9 decks +29% synergy
Bristly Bill, Spine Sower
33% of 3 decks +29% synergy
Kami of Whispered Hopes
33% of 9 decks +26% synergy
Vizier of Remedies
30% of 10 decks +30% synergy
Triskelion
30% of 10 decks +30% synergy
Prosperous Innkeeper
30% of 10 decks +27% synergy
Queen Allenal of Ruadach
30% of 10 decks +27% synergy
Heliod, Sun-Crowned
30% of 10 decks +27% synergy
Kiki-Jiki, Mirror Breaker
30% of 10 decks +26% synergy
Mondrak, Glory Dominus
30% of 10 decks +21% synergy
Avacyn's Pilgrim
30% of 10 decks +15% synergy
Llanowar Elves
30% of 10 decks +9% synergy
Watchful Radstag
25% of 4 decks +24% synergy
Preston Garvey, Minuteman
25% of 4 decks +24% synergy
Securitron Squadron
25% of 4 decks +23% synergy
Lurking Roper
20% of 10 decks +20% synergy
Thopter Squadron
20% of 10 decks +20% synergy
Patrol Signaler
20% of 10 decks +20% synergy
Famished Paladin
20% of 10 decks +20% synergy
Battered Golem
20% of 10 decks +20% synergy
Seedcradle Witch
20% of 10 decks +20% synergy
Cryptic Trilobite
20% of 10 decks +20% synergy
Pili-Pala
20% of 10 decks +20% synergy
Spike Feeder
20% of 10 decks +20% synergy
Hyrax Tower Scout
20% of 10 decks +20% synergy
Village Bell-Ringer
20% of 10 decks +19% synergy
Zealous Conscripts
20% of 10 decks +18% synergy
Krenko, Mob Boss
20% of 10 decks +18% synergy
Daxos, Blessed by the Sun
20% of 10 decks +18% synergy
Cadira, Caller of the Small
20% of 10 decks +18% synergy
Restoration Angel
20% of 10 decks +17% synergy
Felidar Guardian
20% of 10 decks +17% synergy
Walking Ballista
20% of 10 decks +17% synergy
Dragonmaster Outcast
20% of 10 decks +17% synergy
Marwyn, the Nurturer
20% of 10 decks +17% synergy
Instants
Dawn's Truce
100% of 1 decks +83% synergy
Eladamri's Call
40% of 10 decks +29% synergy
Worldly Tutor
40% of 10 decks +26% synergy
Swords to Plowshares
40% of 10 decks -23% synergy
Secure the Wastes
30% of 10 decks +27% synergy
March of the Multitudes
30% of 10 decks +27% synergy
Second Harvest
30% of 10 decks +25% synergy
Enlightened Tutor
30% of 10 decks +12% synergy
Teferi's Protection
30% of 10 decks +10% synergy
Heroic Intervention
30% of 10 decks +0% synergy
Beast Within
30% of 10 decks -9% synergy
Path to Exile
30% of 10 decks -15% synergy
Crash the Party
20% of 10 decks +20% synergy
Benefactor's Draught
20% of 10 decks +19% synergy
Grand Crescendo
20% of 10 decks +18% synergy
Rite of Harmony
20% of 10 decks +17% synergy
Generous Gift
20% of 10 decks -6% synergy
Legolas's Quick Reflexes
17% of 6 decks +13% synergy
Stroke of Midnight
17% of 6 decks +4% synergy
Surge of Salvation
11% of 9 decks +9% synergy
Prismatic Strands
10% of 10 decks +10% synergy
Adamant Will
10% of 10 decks +10% synergy
Lapse of Certainty
10% of 10 decks +9% synergy
Signal the Clans
10% of 10 decks +9% synergy
March of Otherworldly Light
10% of 10 decks +9% synergy
Congregation at Dawn
10% of 10 decks +9% synergy
Make a Stand
10% of 10 decks +9% synergy
Crimson Wisps
10% of 10 decks +9% synergy
Kabira Takedown
10% of 10 decks +8% synergy
Mana Tithe
10% of 10 decks +8% synergy
Arachnogenesis
10% of 10 decks +8% synergy
Expedite
10% of 10 decks +7% synergy
Comet Storm
10% of 10 decks +7% synergy
Wild Magic Surge
10% of 10 decks +7% synergy
Chord of Calling
10% of 10 decks +4% synergy
Silence
10% of 10 decks +4% synergy
Red Elemental Blast
10% of 10 decks +3% synergy
Tamiyo's Safekeeping
10% of 10 decks +3% synergy
Unbreakable Formation
10% of 10 decks +3% synergy
Nature's Claim
10% of 10 decks +0% synergy
Thrill of Possibility
10% of 10 decks -0% synergy
Lightning Bolt
10% of 10 decks -1% synergy
Sorceries
Farseek
40% of 10 decks +6% synergy
Cultivate
40% of 10 decks -6% synergy
Nature's Lore
30% of 10 decks -2% synergy
Rampant Growth
30% of 10 decks -5% synergy
Martial Coup
20% of 10 decks +17% synergy
White Sun's Twilight
20% of 10 decks +17% synergy
Awaken the Woods
20% of 10 decks +16% synergy
Eldritch Evolution
20% of 10 decks +15% synergy
Kodama's Reach
20% of 10 decks -12% synergy
Blasphemous Act
20% of 10 decks -14% synergy
Fanning the Flames
10% of 10 decks +10% synergy
Prismatic Ending
10% of 10 decks +10% synergy
Altar of Bone
10% of 10 decks +10% synergy
Depopulate
10% of 10 decks +10% synergy
Decree of Justice
10% of 10 decks +10% synergy
Sylvan Tutor
10% of 10 decks +9% synergy
Storm Herd
10% of 10 decks +9% synergy
Heat Shimmer
10% of 10 decks +9% synergy
Winds of Change
10% of 10 decks +9% synergy
Overrun
10% of 10 decks +8% synergy
Jaya's Immolating Inferno
10% of 10 decks +8% synergy
Natural Order
10% of 10 decks +8% synergy
Crackle with Power
10% of 10 decks +8% synergy
Tormenting Voice
10% of 10 decks +7% synergy
Ezuri's Predation
10% of 10 decks +7% synergy
Twinflame
10% of 10 decks +7% synergy
Hour of Reckoning
10% of 10 decks +6% synergy
Open the Armory
10% of 10 decks +5% synergy
Idyllic Tutor
10% of 10 decks +5% synergy
Green Sun's Zenith
10% of 10 decks +4% synergy
Harmonize
10% of 10 decks +1% synergy
Gamble
10% of 10 decks +0% synergy
Austere Command
10% of 10 decks -3% synergy
Faithless Looting
10% of 10 decks -7% synergy
Jeska's Will
10% of 10 decks -8% synergy
Three Visits
10% of 10 decks -15% synergy
Utility Artifacts
Thopter Foundry
100% of 1 decks +98% synergy
Lotus Ring
50% of 2 decks +50% synergy
Blasting Station
30% of 10 decks +29% synergy
Blade of the Bloodchief
20% of 10 decks +19% synergy
Umbral Mantle
20% of 10 decks +19% synergy
Altar of the Brood
20% of 10 decks +19% synergy
Tarrian's Soulcleaver
20% of 5 decks +18% synergy
Thousand-Year Elixir
20% of 10 decks +18% synergy
Halo Fountain
20% of 10 decks +17% synergy
Altar of Dementia
20% of 10 decks +17% synergy
Shadowspear
20% of 10 decks +16% synergy
Idol of Oblivion
20% of 10 decks +16% synergy
Lightning Greaves
20% of 10 decks -5% synergy
Agatha's Soul Cauldron
17% of 6 decks +15% synergy
Ozolith, the Shattered Spire
11% of 9 decks +5% synergy
Wolfhunter's Quiver
10% of 10 decks +10% synergy
Sword of the Meek
10% of 10 decks +10% synergy
Retrofitter Foundry
10% of 10 decks +10% synergy
Sword of the Paruns
10% of 10 decks +10% synergy
Viridian Longbow
10% of 10 decks +10% synergy
Luxior, Giada's Gift
10% of 10 decks +9% synergy
Thornbite Staff
10% of 10 decks +9% synergy
Mirror Box
10% of 10 decks +9% synergy
Rings of Brighthearth
10% of 10 decks +8% synergy
Staff of Domination
10% of 10 decks +8% synergy
Coat of Arms
10% of 10 decks +8% synergy
Birthing Pod
10% of 10 decks +7% synergy
Maskwood Nexus
10% of 10 decks +7% synergy
Helm of the Host
10% of 10 decks +7% synergy
Basilisk Collar
10% of 10 decks +7% synergy
Skullclamp
10% of 10 decks -2% synergy
Swiftfoot Boots
10% of 10 decks -18% synergy
Enchantments
Crab Umbra
100% of 1 decks +100% synergy
Pemmin's Aura
100% of 1 decks +99% synergy
High Alert
100% of 1 decks +98% synergy
Intruder Alarm
100% of 1 decks +98% synergy
Freed from the Real
100% of 1 decks +98% synergy
Animate Dead
100% of 1 decks +91% synergy
Cryptolith Rite
30% of 10 decks +26% synergy
Branching Evolution
30% of 10 decks +25% synergy
Battle of Hoover Dam
25% of 4 decks +24% synergy
Tooth and Claw
20% of 10 decks +20% synergy
Sigil of the Nayan Gods
20% of 10 decks +20% synergy
Careful Cultivation
20% of 10 decks +20% synergy
Earthcraft
20% of 10 decks +19% synergy
Light of Promise
20% of 10 decks +19% synergy
Ajani's Welcome
20% of 10 decks +19% synergy
Awakening Zone
20% of 10 decks +17% synergy
Concordant Crossroads
20% of 10 decks +17% synergy
Primal Vigor
20% of 10 decks +17% synergy
Fires of Yavimaya
20% of 10 decks +16% synergy
Felidar Retreat
20% of 10 decks +13% synergy
Doubling Season
20% of 10 decks +11% synergy
Hardened Scales
20% of 10 decks +11% synergy
Anointed Procession
20% of 10 decks +11% synergy
Warleader's Call
20% of 5 decks +9% synergy
Mirari's Wake
20% of 10 decks +6% synergy
Rhythm of the Wild
20% of 10 decks -3% synergy
Tribute to the World Tree
11% of 9 decks +3% synergy
Hope Against Hope
10% of 10 decks +10% synergy
Spawning Grounds
10% of 10 decks +10% synergy
Emblem of the Warmind
10% of 10 decks +10% synergy
Gauntlets of Light
10% of 10 decks +10% synergy
Meticulous Excavation
10% of 10 decks +10% synergy
Rite of Passage
10% of 10 decks +10% synergy
Life and Limb
10% of 10 decks +10% synergy
Angelic Renewal
10% of 10 decks +10% synergy
One with the Kami
10% of 10 decks +9% synergy
Mass Hysteria
10% of 10 decks +9% synergy
Stimulus Package
10% of 10 decks +9% synergy
From Beyond
10% of 10 decks +9% synergy
Prismatic Omen
10% of 10 decks +9% synergy
Mana Echoes
10% of 10 decks +9% synergy
Determined Iteration
10% of 10 decks +9% synergy
Squirrel Nest
10% of 10 decks +9% synergy
Death's Presence
10% of 10 decks +9% synergy
Roar of Resistance
10% of 10 decks +9% synergy
Swift Reconfiguration
10% of 10 decks +9% synergy
Fervor
10% of 10 decks +9% synergy
Master Chef
10% of 10 decks +8% synergy
Lurking Predators
10% of 10 decks +8% synergy
Prosperous Partnership
10% of 10 decks +8% synergy
Planeswalkers
Saheeli Rai
100% of 1 decks +99% synergy
Teferi, Who Slows the Sunset
100% of 1 decks +98% synergy
Ajani, Caller of the Pride
10% of 10 decks +9% synergy
Nissa, Voice of Zendikar
10% of 10 decks +9% synergy
Elspeth, Sun's Champion
10% of 10 decks +5% synergy
Utility Lands
Yavimaya, Cradle of Growth
30% of 10 decks +21% synergy
Urza's Saga
20% of 10 decks +13% synergy
Boseiju, Who Endures
20% of 10 decks +0% synergy
The Hunter Maze
11% of 9 decks +10% synergy
Animal Sanctuary
10% of 10 decks +9% synergy
Mirrorpool
10% of 10 decks +9% synergy
Cascading Cataracts
10% of 10 decks +9% synergy
Serra's Sanctum
10% of 10 decks +9% synergy
Arcane Lighthouse
10% of 10 decks +9% synergy
Treasure Vault
10% of 10 decks +7% synergy
Kher Keep
10% of 10 decks +7% synergy
Windbrisk Heights
10% of 10 decks +5% synergy
Sokenzan, Crucible of Defiance
10% of 10 decks +5% synergy
Gaea's Cradle
10% of 10 decks +4% synergy
Gavony Township
10% of 10 decks +0% synergy
Urborg, Tomb of Yawgmoth
10% of 10 decks +0% synergy
Kessig Wolf Run
10% of 10 decks -6% synergy
Mana Artifacts
Arcane Signet
60% of 10 decks -12% synergy
Sol Ring
60% of 10 decks -24% synergy
Basalt Monolith
10% of 10 decks +7% synergy
Mox Diamond
10% of 10 decks +6% synergy
Jeweled Lotus
10% of 10 decks +4% synergy
Chrome Mox
10% of 10 decks +4% synergy
Lotus Petal
10% of 10 decks +3% synergy
Selesnya Signet
10% of 10 decks +1% synergy
Mana Crypt
10% of 10 decks +1% synergy
Chromatic Lantern
10% of 10 decks +0% synergy
Gruul Signet
10% of 10 decks -2% synergy
Fellwar Stone
10% of 10 decks -11% synergy
Boros Signet
10% of 10 decks -14% synergy
Lands
Raugrin Triome
100% of 1 decks +73% synergy
Savai Triome
100% of 1 decks +73% synergy
Xander's Lounge
100% of 1 decks +72% synergy
Raffine's Tower
100% of 1 decks +72% synergy
Zagoth Triome
100% of 1 decks +69% synergy
Indatha Triome
100% of 1 decks +69% synergy
Spara's Headquarters
100% of 1 decks +68% synergy
Ziatora's Proving Ground
100% of 1 decks +68% synergy
Ketria Triome
100% of 1 decks +67% synergy
Command Tower
100% of 10 decks +26% synergy
Jungle Shrine
60% of 10 decks +28% synergy
Jetmir's Garden
60% of 10 decks +27% synergy
Exotic Orchard
60% of 10 decks +24% synergy
Sacred Foundry
60% of 10 decks +24% synergy
Temple Garden
60% of 10 decks +19% synergy
Mirage Mesa
50% of 2 decks +49% synergy
Wooded Foothills
50% of 10 decks +40% synergy
Windswept Heath
50% of 10 decks +40% synergy
Arid Mesa
50% of 10 decks +39% synergy
Karplusan Forest
50% of 10 decks +33% synergy
Battlefield Forge
50% of 10 decks +25% synergy
Cinder Glade
50% of 10 decks +12% synergy
Stomping Ground
50% of 10 decks +9% synergy
Lush Portico
40% of 5 decks +28% synergy
Commercial District
40% of 5 decks +28% synergy
Canopy Vista
40% of 10 decks +4% synergy
Mana Confluence
30% of 10 decks +23% synergy
City of Brass
30% of 10 decks +22% synergy
Temple of Plenty
30% of 10 decks +17% synergy
Sundown Pass
30% of 10 decks +15% synergy
Brushland
30% of 10 decks +14% synergy
Overgrown Farmland
30% of 10 decks +14% synergy
Temple of Triumph
30% of 10 decks +13% synergy
Evolving Wilds
30% of 10 decks +9% synergy
Rockfall Vale
30% of 10 decks +8% synergy
Rootbound Crag
30% of 10 decks +6% synergy
Bountiful Promenade
30% of 10 decks +6% synergy
Cabaretti Courtyard
20% of 10 decks +18% synergy
Sacred Peaks
20% of 10 decks +15% synergy
Radiant Grove
20% of 10 decks +14% synergy
Sheltered Thicket
20% of 10 decks +13% synergy
Scattered Groves
20% of 10 decks +12% synergy
Bloodstained Mire
20% of 10 decks +10% synergy
Flooded Strand
20% of 10 decks +9% synergy
Scalding Tarn
20% of 10 decks +9% synergy
Marsh Flats
20% of 10 decks +9% synergy
Verdant Catacombs
20% of 10 decks +9% synergy
Misty Rainforest
20% of 10 decks +8% synergy
Savannah
20% of 10 decks +7% synergy
Taiga
20% of 10 decks +7% synergy