Lurking Roper + Elemental Mastery + Ajani's Welcome

Lurking Roper
Elemental Mastery
Ajani's Welcome

Requires
Lurking Roper must be on the battlefield. Elemental Mastery must be on the battlefield. Ajani's Welcome must be on the battlefield.
Steps
  1. Activate Lurking Roper by tapping it, creating four 1/1 Elemental creature tokens.
  2. When the Elementals enter the battlefield, they trigger Ajani's Welcome four times.
  3. Resolve the first Ajani's Welcome trigger, causing you to gain one life.
  4. Lurking Roper triggers, untapping itself.
  5. Repeat.
Results
Infinite creature tokens with haste. Infinite ETB. Infinite lifegain. Infinite lifegain triggers.

Rocco, Cabaretti Caterer
0.03% of 6404 decks 2 decks
Jinnie Fay, Jetmir's Second
0.02% of 5399 decks 1 decks
Shalai and Hallar
0.01% of 10567 decks 1 decks
Marath, Will of the Wild
0.04% of 2602 decks 1 decks
High Synergy Cards
Famished Paladin
100% of 5 decks +100% synergy
Suture Priest
100% of 5 decks +100% synergy
Prosperous Innkeeper
100% of 5 decks +99% synergy
Daxos, Blessed by the Sun
80% of 5 decks +80% synergy
Presence of Gond
80% of 5 decks +80% synergy
Midnight Guard
80% of 5 decks +79% synergy
Soul Warden
80% of 5 decks +79% synergy
Heliod, Sun-Crowned
80% of 5 decks +77% synergy
Purphoros, God of the Forge
80% of 5 decks +73% synergy
Impact Tremors
80% of 5 decks +65% synergy
Game Changers
Chrome Mox
60% of 5 decks +57% synergy
Enlightened Tutor
60% of 5 decks +47% synergy
Mana Vault
40% of 5 decks +37% synergy
Gaea's Cradle
40% of 5 decks +34% synergy
Serra's Sanctum
20% of 5 decks +19% synergy
Survival of the Fittest
20% of 5 decks +18% synergy
Mox Diamond
20% of 5 decks +18% synergy
Smothering Tithe
20% of 5 decks +5% synergy
Creatures
Soul's Attendant
60% of 5 decks +59% synergy
Essence Warden
60% of 5 decks +59% synergy
Ivy Lane Denizen
60% of 5 decks +58% synergy
Walking Ballista
60% of 5 decks +58% synergy
Herd Baloth
60% of 5 decks +58% synergy
Scurry Oak
60% of 5 decks +57% synergy
Rosie Cotton of South Lane
60% of 5 decks +53% synergy
Molten Gatekeeper
50% of 2 decks +48% synergy
Ocelot Pride
50% of 2 decks +43% synergy
Auriok Champion
40% of 5 decks +40% synergy
Triskelion
40% of 5 decks +39% synergy
Cryptic Trilobite
40% of 5 decks +39% synergy
Archangel of Thune
40% of 5 decks +39% synergy
Devoted Druid
40% of 5 decks +37% synergy
Conclave Mentor
40% of 5 decks +34% synergy
Jaheira, Friend of the Forest
40% of 5 decks +33% synergy
Kami of Whispered Hopes
40% of 5 decks +32% synergy
Bloom Tender
40% of 5 decks +31% synergy
Mondrak, Glory Dominus
40% of 5 decks +30% synergy
Champion of Lambholt
40% of 5 decks +27% synergy
Aragorn, Hornburg Hero
25% of 4 decks +23% synergy
Charismatic Conqueror
25% of 4 decks +22% synergy
Anim Pakal, Thousandth Moon
25% of 4 decks +18% synergy
Thopter Squadron
20% of 5 decks +20% synergy
Patrol Signaler
20% of 5 decks +20% synergy
Gideon's Company
20% of 5 decks +20% synergy
Twinblade Paladin
20% of 5 decks +20% synergy
Kitchen Finks
20% of 5 decks +20% synergy
Ageless Entity
20% of 5 decks +20% synergy
Impassioned Orator
20% of 5 decks +20% synergy
Celestial Unicorn
20% of 5 decks +20% synergy
Sprouting Phytohydra
20% of 5 decks +20% synergy
Marath, Will of the Wild
20% of 5 decks +20% synergy
Voice of the Blessed
20% of 5 decks +20% synergy
Lunarch Veteran
20% of 5 decks +20% synergy
Xorn
20% of 5 decks +20% synergy
Sunstrike Legionnaire
20% of 5 decks +20% synergy
Ulasht, the Hate Seed
20% of 5 decks +20% synergy
Young Wolf
20% of 5 decks +20% synergy
Darien, King of Kjeldor
20% of 5 decks +20% synergy
Spike Feeder
20% of 5 decks +20% synergy
Trelasarra, Moon Dancer
20% of 5 decks +20% synergy
Jolene, the Plunder Queen
20% of 5 decks +19% synergy
Urban Daggertooth
20% of 5 decks +19% synergy
Requiem Angel
20% of 5 decks +19% synergy
Academy Rector
20% of 5 decks +19% synergy
Ashaya, Soul of the Wild
20% of 5 decks +19% synergy
Heliod's Pilgrim
20% of 5 decks +19% synergy
War Elemental
20% of 5 decks +19% synergy
Vexing Shusher
20% of 5 decks +19% synergy
Instants
Aura Mutation
60% of 5 decks +52% synergy
Artifact Mutation
60% of 5 decks +51% synergy
Eladamri's Call
60% of 5 decks +49% synergy
Teferi's Protection
60% of 5 decks +41% synergy
Heroic Intervention
60% of 5 decks +21% synergy
Worldly Tutor
40% of 5 decks +26% synergy
Beast Within
40% of 5 decks +4% synergy
Path to Exile
40% of 5 decks -14% synergy
Swords to Plowshares
40% of 5 decks -19% synergy
Lapse of Certainty
20% of 5 decks +20% synergy
Mana Tithe
20% of 5 decks +19% synergy
Rebuff the Wicked
20% of 5 decks +19% synergy
Unexpected Windfall
20% of 5 decks +19% synergy
Big Score
20% of 5 decks +18% synergy
Arachnogenesis
20% of 5 decks +18% synergy
Tibalt's Trickery
20% of 5 decks +17% synergy
Congregation at Dawn
20% of 5 decks +17% synergy
Rite of Harmony
20% of 5 decks +16% synergy
Harrow
20% of 5 decks +11% synergy
Stroke of Midnight
20% of 5 decks +11% synergy
Boros Charm
20% of 5 decks -8% synergy
Generous Gift
20% of 5 decks -11% synergy
Sorceries
Idyllic Tutor
60% of 5 decks +56% synergy
Three Visits
60% of 5 decks +31% synergy
Farseek
60% of 5 decks +10% synergy
Nature's Lore
40% of 5 decks +3% synergy
Pirate's Pillage
20% of 5 decks +20% synergy
Seize the Spoils
20% of 5 decks +19% synergy
Sylvan Tutor
20% of 5 decks +19% synergy
Pest Infestation
20% of 5 decks +18% synergy
Open the Armory
20% of 5 decks +17% synergy
Green Sun's Zenith
20% of 5 decks +16% synergy
Utility Artifacts
Viridian Longbow
60% of 5 decks +60% synergy
Phyrexian Altar
60% of 5 decks +58% synergy
Basilisk Collar
60% of 5 decks +55% synergy
Altar of the Brood
40% of 5 decks +40% synergy
Ozolith, the Shattered Spire
40% of 5 decks +34% synergy
Ashnod's Altar
40% of 5 decks +34% synergy
Tarrian's Soulcleaver
25% of 4 decks +24% synergy
Wolfhunter's Quiver
20% of 5 decks +20% synergy
Sorcerer's Wand
20% of 5 decks +20% synergy
Blade of the Bloodchief
20% of 5 decks +20% synergy
Aetherflux Reservoir
20% of 5 decks +20% synergy
Agatha's Soul Cauldron
20% of 5 decks +19% synergy
Blasting Station
20% of 5 decks +19% synergy
Altar of Dementia
20% of 5 decks +19% synergy
Thornbite Staff
20% of 5 decks +18% synergy
Shadowspear
20% of 5 decks +18% synergy
Jeweled Lotus
20% of 5 decks +17% synergy
Lotus Petal
20% of 5 decks +17% synergy
Halo Fountain
20% of 5 decks +14% synergy
Idol of Oblivion
20% of 5 decks +10% synergy
Skullclamp
20% of 5 decks +4% synergy
Lightning Greaves
20% of 5 decks -3% synergy
Enchantments
Splinter Twin
60% of 5 decks +59% synergy
Goblin Bombardment
60% of 5 decks +52% synergy
Cathars' Crusade
60% of 5 decks +52% synergy
Warleader's Call
50% of 4 decks +39% synergy
Power of Fire
40% of 5 decks +40% synergy
Fire Whip
40% of 5 decks +40% synergy
Light of Promise
40% of 5 decks +40% synergy
Earthcraft
40% of 5 decks +39% synergy
Mana Echoes
40% of 5 decks +39% synergy
Fervor
40% of 5 decks +39% synergy
Rite of Passage
40% of 5 decks +38% synergy
Cryptolith Rite
40% of 5 decks +36% synergy
Fires of Yavimaya
40% of 5 decks +36% synergy
Branching Evolution
40% of 5 decks +35% synergy
Hardened Scales
40% of 5 decks +31% synergy
Annie Joins Up
33% of 3 decks +16% synergy
Lightning Prowess
20% of 5 decks +20% synergy
Arcane Teachings
20% of 5 decks +20% synergy
Leyline of Vitality
20% of 5 decks +20% synergy
Spawning Grounds
20% of 5 decks +20% synergy
Sunbond
20% of 5 decks +20% synergy
Emblem of the Warmind
20% of 5 decks +20% synergy
One with the Kami
20% of 5 decks +20% synergy
Burning Anger
20% of 5 decks +20% synergy
Lifelink
20% of 5 decks +20% synergy
Rune of Sustenance
20% of 5 decks +20% synergy
Spirit Link
20% of 5 decks +20% synergy
Felidar Umbra
20% of 5 decks +20% synergy
Cleric Class
20% of 5 decks +19% synergy
Descent into Avernus
20% of 5 decks +19% synergy
Mass Hysteria
20% of 5 decks +19% synergy
Squirrel Nest
20% of 5 decks +19% synergy
Cream of the Crop
20% of 5 decks +19% synergy
Master Chef
20% of 5 decks +19% synergy
Concordant Crossroads
20% of 5 decks +19% synergy
Roar of Resistance
20% of 5 decks +18% synergy
Sterling Grove
20% of 5 decks +17% synergy
Defense of the Heart
20% of 5 decks +16% synergy
Mayael's Aria
20% of 5 decks +15% synergy
All Will Be One
20% of 5 decks +13% synergy
Elemental Bond
20% of 5 decks +10% synergy
Anointed Procession
20% of 5 decks +8% synergy
Parallel Lives
20% of 5 decks +8% synergy
Doubling Season
20% of 5 decks +8% synergy
Rhythm of the Wild
20% of 5 decks -14% synergy
Utility Lands
Shifting Woodland
50% of 2 decks +47% synergy
Urza's Saga
40% of 5 decks +37% synergy
Hall of Heliod's Generosity
40% of 5 decks +37% synergy
Yavimaya, Cradle of Growth
40% of 5 decks +22% synergy
Vitu-Ghazi, the City-Tree
20% of 5 decks +19% synergy
Gingerbread Cabin
20% of 5 decks +19% synergy
Kher Keep
20% of 5 decks +18% synergy
The Shire
20% of 5 decks +17% synergy
Castle Ardenvale
20% of 5 decks +17% synergy
Boseiju, Who Endures
20% of 5 decks +4% synergy
Kessig Wolf Run
20% of 5 decks +2% synergy
Mana Artifacts
Sol Ring
80% of 5 decks -4% synergy
Arcane Signet
60% of 5 decks -13% synergy
Mana Crypt
40% of 5 decks +35% synergy
Sol Talisman
20% of 5 decks +20% synergy
Talisman of Impulse
20% of 5 decks +13% synergy
Talisman of Conviction
20% of 5 decks +13% synergy
Talisman of Unity
20% of 5 decks +12% synergy
Lands
Hushwood Verge
100% of 1 decks +89% synergy
Temple Garden
100% of 5 decks +58% synergy
Stomping Ground
100% of 5 decks +58% synergy
Arid Mesa
80% of 5 decks +53% synergy
Wooded Foothills
80% of 5 decks +52% synergy
Windswept Heath
80% of 5 decks +51% synergy
Sacred Foundry
80% of 5 decks +42% synergy
Jetmir's Garden
80% of 5 decks +36% synergy
Command Tower
80% of 5 decks -11% synergy
Mana Confluence
60% of 5 decks +53% synergy
Brushland
60% of 5 decks +44% synergy
Karplusan Forest
60% of 5 decks +44% synergy
Battlefield Forge
60% of 5 decks +42% synergy
Spire Garden
60% of 5 decks +31% synergy
Sheltering Landscape
50% of 2 decks +33% synergy
City of Brass
40% of 5 decks +32% synergy
Sundown Pass
40% of 5 decks +25% synergy
Overgrown Farmland
40% of 5 decks +18% synergy
Rockfall Vale
40% of 5 decks +14% synergy
Spectator Seating
40% of 5 decks +12% synergy
Bountiful Promenade
40% of 5 decks +9% synergy
Sunpetal Grove
40% of 5 decks +7% synergy
Clifftop Retreat
40% of 5 decks +4% synergy
Canopy Vista
40% of 5 decks -10% synergy
Exotic Orchard
40% of 5 decks -13% synergy
Jungle Shrine
40% of 5 decks -17% synergy
Commercial District
25% of 4 decks +17% synergy
Lush Portico
25% of 4 decks +16% synergy
Fire-Lit Thicket
20% of 5 decks +17% synergy
Wooded Bastion
20% of 5 decks +17% synergy
Prismatic Vista
20% of 5 decks +16% synergy
Rugged Prairie
20% of 5 decks +14% synergy
Needleverge Pathway
20% of 5 decks +13% synergy
Cragcrown Pathway
20% of 5 decks +12% synergy
Branchloft Pathway
20% of 5 decks +11% synergy
Plateau
20% of 5 decks +9% synergy
Fabled Passage
20% of 5 decks +9% synergy
Taiga
20% of 5 decks +9% synergy
Savannah
20% of 5 decks +9% synergy
Sungrass Prairie
20% of 5 decks +6% synergy
Selesnya Sanctuary
20% of 5 decks +6% synergy
Rootbound Crag
20% of 5 decks -13% synergy
Cinder Glade
20% of 5 decks -30% synergy