Lurking Roper + Elemental Mastery + Auriok Champion

Lurking Roper
Elemental Mastery
Auriok Champion

Requires
Lurking Roper must be on the battlefield. Elemental Mastery must be on the battlefield. Auriok Champion must be on the battlefield. Lurking Roper does not have summoning sickness. Elemental Mastery attached to Lurking Roper.
Steps
  1. Activate Lurking Roper by tapping it, creating four 1/1 Elemental creature tokens.
  2. When the Elementals enter the battlefield, they trigger Auriok Champion four times.
  3. Resolve the first Auriok Champion 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 5859 decks 2 decks
Creatures
Famished Paladin
100% of 2 decks +100% synergy
Suture Priest
100% of 2 decks +100% synergy
Soul's Attendant
100% of 2 decks +99% synergy
Midnight Guard
100% of 2 decks +99% synergy
Essence Warden
100% of 2 decks +99% synergy
Soul Warden
100% of 2 decks +99% synergy
Prosperous Innkeeper
100% of 2 decks +99% synergy
Purphoros, God of the Forge
100% of 2 decks +93% synergy
Impassioned Orator
50% of 2 decks +50% synergy
Sunstrike Legionnaire
50% of 2 decks +50% synergy
Daxos, Blessed by the Sun
50% of 2 decks +50% synergy
Ashaya, Soul of the Wild
50% of 2 decks +49% synergy
Heliod's Pilgrim
50% of 2 decks +49% synergy
Vexing Shusher
50% of 2 decks +48% synergy
Tinder Wall
50% of 2 decks +48% synergy
Ivy Lane Denizen
50% of 2 decks +48% synergy
Fauna Shaman
50% of 2 decks +48% synergy
Selvala, Explorer Returned
50% of 2 decks +48% synergy
Walking Ballista
50% of 2 decks +48% synergy
Village Bell-Ringer
50% of 2 decks +48% synergy
Herd Baloth
50% of 2 decks +48% synergy
Simian Spirit Guide
50% of 2 decks +48% synergy
Heliod, Sun-Crowned
50% of 2 decks +47% synergy
Scurry Oak
50% of 2 decks +47% synergy
Elvish Spirit Guide
50% of 2 decks +47% synergy
Devoted Druid
50% of 2 decks +47% synergy
Destiny Spinner
50% of 2 decks +46% synergy
Imperial Recruiter
50% of 2 decks +46% synergy
Kiki-Jiki, Mirror Breaker
50% of 2 decks +46% synergy
Grand Abolisher
50% of 2 decks +45% synergy
Jaheira, Friend of the Forest
50% of 2 decks +42% synergy
Champion of Lambholt
50% of 2 decks +37% synergy
Instants
Aura Mutation
100% of 2 decks +92% synergy
Artifact Mutation
100% of 2 decks +91% synergy
Stroke of Midnight
100% of 1 decks +90% synergy
Eladamri's Call
100% of 2 decks +88% synergy
Enlightened Tutor
100% of 2 decks +87% synergy
Worldly Tutor
100% of 2 decks +85% synergy
Teferi's Protection
100% of 2 decks +81% synergy
Beast Within
100% of 2 decks +62% synergy
Heroic Intervention
100% of 2 decks +61% synergy
Path to Exile
100% of 2 decks +48% synergy
Swords to Plowshares
100% of 2 decks +40% synergy
Lapse of Certainty
50% of 2 decks +50% synergy
Mana Tithe
50% of 2 decks +49% synergy
Rebuff the Wicked
50% of 2 decks +49% synergy
Arachnogenesis
50% of 2 decks +48% synergy
Tibalt's Trickery
50% of 2 decks +47% synergy
Congregation at Dawn
50% of 2 decks +46% synergy
Rite of Harmony
50% of 2 decks +45% synergy
Boros Charm
50% of 2 decks +21% synergy
Generous Gift
50% of 2 decks +19% synergy
Sorceries
Idyllic Tutor
100% of 2 decks +96% synergy
Three Visits
100% of 2 decks +71% synergy
Farseek
100% of 2 decks +50% synergy
Sylvan Tutor
50% of 2 decks +49% synergy
Open the Armory
50% of 2 decks +46% synergy
Nature's Lore
50% of 2 decks +12% synergy
Utility Artifacts
Sorcerer's Wand
50% of 2 decks +50% synergy
Viridian Longbow
50% of 2 decks +50% synergy
Phyrexian Altar
50% of 2 decks +47% synergy
Basilisk Collar
50% of 2 decks +45% synergy
Skullclamp
50% of 2 decks +33% synergy
Enchantments
Presence of Gond
100% of 2 decks +100% synergy
Splinter Twin
100% of 2 decks +99% synergy
Fervor
100% of 2 decks +99% synergy
Ajani's Welcome
100% of 2 decks +99% synergy
Impact Tremors
100% of 2 decks +86% synergy
Power of Fire
50% of 2 decks +50% synergy
Fire Whip
50% of 2 decks +50% synergy
Spawning Grounds
50% of 2 decks +50% synergy
Mass Hysteria
50% of 2 decks +50% synergy
Earthcraft
50% of 2 decks +49% synergy
Squirrel Nest
50% of 2 decks +49% synergy
Concordant Crossroads
50% of 2 decks +49% synergy
Survival of the Fittest
50% of 2 decks +48% synergy
Roar of Resistance
50% of 2 decks +48% synergy
Defense of the Heart
50% of 2 decks +47% synergy
Sterling Grove
50% of 2 decks +46% synergy
Cryptolith Rite
50% of 2 decks +46% synergy
Fires of Yavimaya
50% of 2 decks +45% synergy
Cathars' Crusade
50% of 2 decks +42% synergy
Goblin Bombardment
50% of 2 decks +42% synergy
Rhythm of the Wild
50% of 2 decks +16% synergy
Utility Lands
Serra's Sanctum
50% of 2 decks +49% synergy
Urza's Saga
50% of 2 decks +47% synergy
Gaea's Cradle
50% of 2 decks +44% synergy
Yavimaya, Cradle of Growth
50% of 2 decks +31% synergy
Mana Artifacts
Chrome Mox
100% of 2 decks +97% synergy
Mana Crypt
100% of 2 decks +94% synergy
Arcane Signet
100% of 2 decks +28% synergy
Sol Ring
100% of 2 decks +16% synergy
Sol Talisman
50% of 2 decks +50% synergy
Mox Diamond
50% of 2 decks +48% synergy
Mana Vault
50% of 2 decks +47% synergy
Lotus Petal
50% of 2 decks +47% synergy
Jeweled Lotus
50% of 2 decks +46% synergy
Talisman of Impulse
50% of 2 decks +43% synergy
Talisman of Conviction
50% of 2 decks +43% synergy
Talisman of Unity
50% of 2 decks +42% synergy
Lands
Mana Confluence
100% of 2 decks +93% synergy
Wooded Foothills
100% of 2 decks +73% synergy
Arid Mesa
100% of 2 decks +72% synergy
Windswept Heath
100% of 2 decks +72% synergy
Sacred Foundry
100% of 2 decks +61% synergy
Temple Garden
100% of 2 decks +57% synergy
Stomping Ground
100% of 2 decks +57% synergy
Exotic Orchard
100% of 2 decks +48% synergy
City of Brass
50% of 2 decks +42% synergy
Plateau
50% of 2 decks +39% synergy
Taiga
50% of 2 decks +39% synergy
Savannah
50% of 2 decks +39% synergy
Brushland
50% of 2 decks +34% synergy
Karplusan Forest
50% of 2 decks +34% synergy
Battlefield Forge
50% of 2 decks +32% synergy
Spectator Seating
50% of 2 decks +22% synergy
Spire Garden
50% of 2 decks +20% synergy
Bountiful Promenade
50% of 2 decks +18% synergy
Jetmir's Garden
50% of 2 decks +4% synergy
Command Tower
50% of 2 decks -41% synergy