Xavier Sal, Infested Captain + Experiment Kraj + Devoted Druid + Aphetto Alchemist

Xavier Sal, Infested Captain
Experiment Kraj
Devoted Druid
Aphetto Alchemist

Requires
Xavier Sal, Infested Captain must be on the battlefield. Experiment Kraj must be on the battlefield. Devoted Druid must be on the battlefield. Aphetto Alchemist must be on the battlefield. Experiment Kraj and Xavier Sal do not have summoning sickness. Devoted Druid and Aphetto Alchemist each have at least one +1/+1 counter on them. You control at least one creature token.
Steps
  1. Activate Experiment Kraj using Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
  2. Activate Xavier Sal's first ability by tapping it and removing a -1/-1 counter from Experiment Kraj, creating a copy of any creature token you control.
  3. Activate Experiment Kraj using Aphetto Alchemist's ability by tapping it, untapping Xavier Sal.
  4. Repeat.
Results
Infinite copies of creature tokens you control. Infinite creature tokens. Infinite ETB.

Xavier Sal, Infested Captain
0.05% of 4399 decks 2 decks
Creatures
Steel Overseer
50% of 2 decks +50% synergy
Corridor Monitor
50% of 2 decks +50% synergy
Crystalline Crawler
50% of 2 decks +50% synergy
Trophy Mage
50% of 2 decks +50% synergy
Krosan Restorer
50% of 2 decks +49% synergy
Vampire Hexmage
50% of 2 decks +49% synergy
Crashing Drawbridge
50% of 2 decks +49% synergy
Volrath, the Shapestealer
50% of 2 decks +49% synergy
Venser, Corpse Puppet
50% of 2 decks +49% synergy
Ioreth of the Healing House
50% of 2 decks +49% synergy
Bramble Sovereign
50% of 2 decks +49% synergy
Gwenna, Eyes of Gaea
50% of 2 decks +49% synergy
Jin-Gitaxias, Progress Tyrant
50% of 2 decks +49% synergy
Scurry Oak
50% of 2 decks +49% synergy
Nadir Kraken
50% of 2 decks +49% synergy
Arwen, Weaver of Hope
50% of 2 decks +49% synergy
Ichor Rats
50% of 2 decks +49% synergy
Old Gnawbone
50% of 2 decks +49% synergy
Contaminant Grafter
50% of 2 decks +48% synergy
Pitiless Plunderer
50% of 2 decks +48% synergy
Progenitor Mimic
50% of 2 decks +48% synergy
Adrix and Nev, Twincasters
50% of 2 decks +48% synergy
Icebreaker Kraken
50% of 2 decks +48% synergy
Elvish Reclaimer
50% of 2 decks +48% synergy
Gruff Triplets
50% of 2 decks +48% synergy
Bloated Contaminator
50% of 2 decks +48% synergy
Champion of Lambholt
50% of 2 decks +47% synergy
Mirkwood Bats
50% of 2 decks +47% synergy
Flux Channeler
50% of 2 decks +47% synergy
Master Biomancer
50% of 2 decks +45% synergy
Ezuri, Stalker of Spheres
50% of 2 decks +45% synergy
Hullbreaker Horror
50% of 2 decks +45% synergy
Tekuthal, Inquiry Dominus
50% of 2 decks +44% synergy
Thrummingbird
50% of 2 decks +43% synergy
Bloom Tender
50% of 2 decks +43% synergy
Kami of Whispered Hopes
50% of 2 decks +41% synergy
Evolution Sage
50% of 2 decks +41% synergy
Scute Swarm
50% of 2 decks +37% synergy
Birds of Paradise
50% of 2 decks +21% synergy
Eternal Witness
50% of 2 decks +19% synergy
Instants
Strix Serenade
100% of 1 decks +96% synergy
Negate
100% of 2 decks +82% synergy
Heroic Intervention
100% of 2 decks +79% synergy
Counterspell
100% of 2 decks +64% synergy
Sublime Epiphany
50% of 2 decks +49% synergy
Cackling Counterpart
50% of 2 decks +49% synergy
Infectious Bite
50% of 2 decks +48% synergy
Vraska's Fall
50% of 2 decks +48% synergy
Prologue to Phyresis
50% of 2 decks +48% synergy
Double Major
50% of 2 decks +47% synergy
Ripples of Potential
50% of 2 decks +43% synergy
Worldly Tutor
50% of 2 decks +40% synergy
Crop Rotation
50% of 2 decks +37% synergy
An Offer You Can't Refuse
50% of 2 decks +33% synergy
Sorceries
Irenicus's Vile Duplication
100% of 2 decks +98% synergy
Doppelgang
100% of 1 decks +96% synergy
Diabolic Intent
100% of 2 decks +94% synergy
Mirage Mockery
50% of 2 decks +50% synergy
Vastwood Surge
50% of 2 decks +50% synergy
Sylvan Tutor
50% of 2 decks +49% synergy
Quasiduplicate
50% of 2 decks +49% synergy
Quantum Misalignment
50% of 2 decks +49% synergy
Fabricate
50% of 2 decks +49% synergy
Phyresis Outbreak
50% of 2 decks +49% synergy
Infectious Inquiry
50% of 2 decks +48% synergy
Hour of Promise
50% of 2 decks +48% synergy
Thirsting Roots
50% of 2 decks +48% synergy
Rite of Replication
50% of 2 decks +48% synergy
Blood on the Snow
50% of 2 decks +47% synergy
Dig Up
50% of 2 decks +47% synergy
Regrowth
50% of 2 decks +47% synergy
Diabolic Tutor
50% of 2 decks +45% synergy
Sylvan Scrying
50% of 2 decks +45% synergy
Bala Ged Recovery
50% of 2 decks +41% synergy
Farseek
50% of 2 decks +9% synergy
Cultivate
50% of 2 decks +6% synergy
Utility Artifacts
Helm of the Host
100% of 2 decks +98% synergy
Mirror Gallery
50% of 2 decks +50% synergy
Idol of Oblivion
50% of 2 decks +49% synergy
Staff of Domination
50% of 2 decks +49% synergy
Mirror Box
50% of 2 decks +49% synergy
Thornbite Staff
50% of 2 decks +49% synergy
The Skullspore Nexus
50% of 2 decks +48% synergy
Enchantments
Intruder Alarm
100% of 2 decks +96% synergy
Freed from the Real
100% of 2 decks +94% synergy
Aura of Dominion
50% of 2 decks +50% synergy
Fecundity
50% of 2 decks +50% synergy
Genesis of the Daleks
50% of 2 decks +49% synergy
Kiora Bests the Sea God
50% of 2 decks +49% synergy
Extravagant Replication
50% of 2 decks +49% synergy
City of Death
50% of 2 decks +49% synergy
Shark Typhoon
50% of 2 decks +49% synergy
Ominous Seas
50% of 2 decks +49% synergy
Parallel Lives
50% of 2 decks +48% synergy
Necropotence
50% of 2 decks +47% synergy
Pemmin's Aura
50% of 2 decks +46% synergy
Black Market Connections
50% of 2 decks +46% synergy
Binding the Old Gods
50% of 2 decks +45% synergy
Tribute to the World Tree
50% of 2 decks +45% synergy
Doubling Season
50% of 2 decks +43% synergy
Sylvan Library
50% of 2 decks +39% synergy
Mystic Remora
50% of 2 decks +30% synergy
Rhystic Study
50% of 2 decks +25% synergy
Planeswalkers
Tyvar, Jubilant Brawler
100% of 2 decks +93% synergy
Kiora, the Crashing Wave
50% of 2 decks +49% synergy
Kiora, Master of the Depths
50% of 2 decks +49% synergy
Kiora, Behemoth Beckoner
50% of 2 decks +47% synergy
Vraska, Betrayal's Sting
50% of 2 decks +45% synergy
Utility Lands
Dark Depths
100% of 2 decks +96% synergy
Shifting Woodland
100% of 1 decks +87% synergy
The Monumental Facade
50% of 2 decks +50% synergy
Novijen, Heart of Progress
50% of 2 decks +49% synergy
Oran-Rief, the Vastwood
50% of 2 decks +48% synergy
Vesuva
50% of 2 decks +47% synergy
Minamo, School at Water's Edge
50% of 2 decks +47% synergy
Nesting Grounds
50% of 2 decks +44% synergy
Thespian's Stage
50% of 2 decks +43% synergy
Karn's Bastion
50% of 2 decks +42% synergy
Urborg, Tomb of Yawgmoth
50% of 2 decks +31% synergy
Yavimaya, Cradle of Growth
50% of 2 decks +30% synergy
Reliquary Tower
50% of 2 decks +18% synergy
Mana Artifacts
Arcane Signet
100% of 2 decks +31% synergy
Glistening Sphere
50% of 2 decks +49% synergy
Everflowing Chalice
50% of 2 decks +46% synergy
Chromatic Lantern
50% of 2 decks +42% synergy
Sol Ring
50% of 2 decks -32% synergy
Lands
Undercity Sewers
100% of 1 decks +83% synergy
Underground Mortuary
100% of 1 decks +81% synergy
Viridescent Bog
100% of 1 decks +81% synergy
Hedge Maze
100% of 1 decks +80% synergy
Dreamroot Cascade
100% of 2 decks +79% synergy
Undergrowth Stadium
100% of 2 decks +67% synergy
Woodland Cemetery
100% of 2 decks +64% synergy
Hinterland Harbor
100% of 2 decks +63% synergy
Opulent Palace
100% of 2 decks +50% synergy
Command Tower
100% of 2 decks +10% synergy
Littjara Mirrorlake
50% of 2 decks +49% synergy
Frost Marsh
50% of 2 decks +48% synergy
Darkslick Shores
50% of 2 decks +45% synergy
Vineglimmer Snarl
50% of 2 decks +44% synergy
Rimewood Falls
50% of 2 decks +43% synergy
Twilight Mire
50% of 2 decks +42% synergy
Shipwreck Marsh
50% of 2 decks +34% synergy
Underground River
50% of 2 decks +33% synergy
Golgari Rot Farm
50% of 2 decks +28% synergy
Llanowar Wastes
50% of 2 decks +20% synergy
Drowned Catacomb
50% of 2 decks +20% synergy
Sunken Hollow
50% of 2 decks +16% synergy
Rejuvenating Springs
50% of 2 decks +16% synergy
Zagoth Triome
50% of 2 decks +8% synergy
Exotic Orchard
50% of 2 decks -3% synergy