Agatha's Soul Cauldron + Kiki-Jiki, Mirror Breaker + Cathars' Crusade

Agatha's Soul Cauldron
Kiki-Jiki, Mirror Breaker
Cathars' Crusade

Requires
Agatha's Soul Cauldron must be on the battlefield. Kiki-Jiki, Mirror Breaker must be in exile (exiled by Agatha's Soul Cauldron). Cathars' Crusade must be on the battlefield. You control at least one nonlegendary creature. You control at least one creature that has at least one +1/+1 counter on it and that does not have summoning sickness.
Steps
  1. Activate a creature you control with a +1/+1 counter on it using Kiki-Jiki's ability by tapping it, creating a token copy of any nonlegendary creature you control with haste.
  2. When the creature token enters the battlefield, Cathars' Crusade triggers, putting a +1/+1 counter on each creature you control.
  3. Repeat.
Results
Infinite +1/+1 counters. Infinite creature tokens with haste. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Anim Pakal, Thousandth Moon
0.10% of 3022 decks 3 decks
Marath, Will of the Wild
0.08% of 2371 decks 2 decks
Top Cards
Birds of Paradise
80% of 5 decks +68% synergy
Swords to Plowshares
67% of 15 decks +38% synergy
Esper Sentinel
60% of 15 decks +50% synergy
Path to Exile
60% of 15 decks +40% synergy
Ragavan, Nimble Pilferer
47% of 15 decks +43% synergy
Mondrak, Glory Dominus
47% of 15 decks +42% synergy
Dockside Extortionist
47% of 15 decks +39% synergy
Enlightened Tutor
47% of 15 decks +39% synergy
Skullclamp
47% of 15 decks +34% synergy
Drannith Magistrate
40% of 15 decks +37% synergy
Creatures
Bristly Bill, Spine Sower
75% of 4 decks +72% synergy
Emiel the Blessed
60% of 5 decks +59% synergy
Bloom Tender
60% of 5 decks +56% synergy
Seedborn Muse
60% of 5 decks +56% synergy
Delighted Halfling
60% of 5 decks +53% synergy
Eternal Witness
60% of 5 decks +50% synergy
Krenko, Mob Boss
33% of 15 decks +32% synergy
Purphoros, God of the Forge
33% of 15 decks +31% synergy
Felidar Guardian
27% of 15 decks +26% synergy
Heliod, Sun-Crowned
27% of 15 decks +25% synergy
Walking Ballista
27% of 15 decks +24% synergy
Elesh Norn, Grand Cenobite
27% of 15 decks +24% synergy
Mother of Runes
27% of 15 decks +23% synergy
Loran of the Third Path
27% of 15 decks +23% synergy
Grand Abolisher
27% of 15 decks +23% synergy
Inti, Seneschal of the Sun
23% of 13 decks +22% synergy
Ojer Taq, Deepest Foundation
23% of 13 decks +20% synergy
Village Bell-Ringer
20% of 15 decks +20% synergy
Solitude
20% of 15 decks +19% synergy
Thalia, Heretic Cathar
20% of 15 decks +19% synergy
Myrel, Shield of Argive
20% of 15 decks +18% synergy
Lion Sash
20% of 15 decks +18% synergy
Rosie Cotton of South Lane
20% of 15 decks +18% synergy
Boromir, Warden of the Tower
20% of 15 decks +17% synergy
Birgi, God of Storytelling
20% of 15 decks +17% synergy
Anger
20% of 15 decks +17% synergy
Imperial Recruiter
20% of 15 decks +17% synergy
Professional Face-Breaker
20% of 15 decks +16% synergy
Instants
Worldly Tutor
60% of 5 decks +53% synergy
Get Lost
31% of 13 decks +29% synergy
Ephemerate
20% of 15 decks +17% synergy
Pyroblast
20% of 15 decks +17% synergy
Deflecting Swat
20% of 15 decks +12% synergy
Sorceries
Eldritch Evolution
60% of 5 decks +58% synergy
Finale of Devastation
60% of 5 decks +56% synergy
Gamble
33% of 15 decks +28% synergy
Jeska's Will
27% of 15 decks +18% synergy
Blasphemous Act
27% of 15 decks +10% synergy
Twinflame
20% of 15 decks +18% synergy
Faithless Looting
20% of 15 decks +12% synergy
Utility Artifacts
Birthing Pod
60% of 5 decks +59% synergy
Lightning Greaves
27% of 15 decks +1% synergy
The Ozolith
20% of 15 decks +17% synergy
Vanquisher's Banner
20% of 15 decks +16% synergy
Swiftfoot Boots
20% of 15 decks -8% synergy
Enchantments
Trouble in Pairs
38% of 8 decks +34% synergy
Anointed Procession
33% of 15 decks +29% synergy
Impact Tremors
33% of 15 decks +29% synergy
Underworld Breach
20% of 15 decks +17% synergy
Utility Lands
Boseiju, Who Endures
60% of 5 decks +51% synergy
Eiganjo, Seat of the Empire
40% of 15 decks +36% synergy
Minas Tirith
33% of 15 decks +29% synergy
Urza's Saga
33% of 15 decks +26% synergy
Inventors' Fair
20% of 15 decks +16% synergy
Yavimaya, Cradle of Growth
20% of 15 decks +11% synergy
Ancient Tomb
20% of 15 decks +9% synergy
Mana Artifacts
Sol Ring
93% of 15 decks +9% synergy
Arcane Signet
53% of 15 decks -18% synergy
Lotus Petal
27% of 15 decks +20% synergy
Mana Crypt
27% of 15 decks +16% synergy
Mox Amber
20% of 15 decks +16% synergy
Talisman of Conviction
20% of 15 decks +15% synergy
Boros Signet
20% of 15 decks +15% synergy
Mana Vault
20% of 15 decks +14% synergy
Jeweled Lotus
20% of 15 decks +12% synergy
Lands
Temple Garden
100% of 5 decks +91% synergy
Stomping Ground
100% of 5 decks +91% synergy
Command Tower
87% of 15 decks +13% synergy
Jetmir's Garden
80% of 5 decks +76% synergy
Rootbound Crag
80% of 5 decks +75% synergy
Spire Garden
80% of 5 decks +75% synergy
Sacred Foundry
73% of 15 decks +65% synergy
Sunpetal Grove
60% of 5 decks +55% synergy
Bountiful Promenade
60% of 5 decks +55% synergy
Spectator Seating
60% of 15 decks +54% synergy
Clifftop Retreat
47% of 15 decks +41% synergy
Arid Mesa
47% of 15 decks +36% synergy
Wooded Foothills
40% of 15 decks +30% synergy
Exotic Orchard
40% of 15 decks +5% synergy
Needleverge Pathway
33% of 15 decks +31% synergy
Windswept Heath
33% of 15 decks +23% synergy
Sundown Pass
27% of 15 decks +23% synergy
Temple of Triumph
27% of 15 decks +23% synergy
Battlefield Forge
27% of 15 decks +21% synergy
Cavern of Souls
27% of 15 decks +20% synergy
Bloodstained Mire
27% of 15 decks +16% synergy
Flooded Strand
27% of 15 decks +16% synergy
Misty Rainforest
27% of 15 decks +15% synergy
Path of Ancestry
27% of 15 decks +6% synergy
Inspiring Vantage
20% of 15 decks +19% synergy
Sunbaked Canyon
20% of 15 decks +19% synergy
Rugged Prairie
20% of 15 decks +18% synergy
Boros Garrison
20% of 15 decks +17% synergy
Marsh Flats
20% of 15 decks +9% synergy
Terramorphic Expanse
20% of 15 decks +4% synergy