Agatha's Soul Cauldron + Kiki-Jiki, Mirror Breaker + Midnight Guard

Agatha's Soul Cauldron
Kiki-Jiki, Mirror Breaker
Midnight Guard

Requires
Agatha's Soul Cauldron must be on the battlefield. Kiki-Jiki, Mirror Breaker must be in exile (exiled by Agatha's Soul Cauldron). Midnight Guard must be on the battlefield. Midnight Guard has at least one +1/+1 counter on it and does not have summoning sickness.
Steps
  1. Activate Midnight Guard using Kiki-Jiki's ability by tapping it, creating a token copy of itself with haste.
  2. When the Midnight Guard token enters the battlefield, each other Midnight Guard you cotnrol triggers, untapping themselves.
  3. Repeat.
  4. You may also target any nonlegendary creature you control.
Results
Infinite copies of nonlegendary creatures you control with haste. Infinite creature tokens with haste. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

The Jolly Balloon Man
0.05% of 4214 decks 2 decks
Top Commanders
Baylen, the Haymaker
0.05% of 9317 decks 5 decks
Ghired, Mirror of the Wilds
0.16% of 2486 decks 4 decks
Rocco, Cabaretti Caterer
0.05% of 6073 decks 3 decks
Kykar, Wind's Fury
0.01% of 10293 decks 1 decks
Palladia-Mors
0.64% of 157 decks 1 decks
New Cards
The Jolly Balloon Man
50% of 6 decks +43% synergy
High Synergy Cards
Grand Abolisher
75% of 16 decks +66% synergy
Silence
69% of 16 decks +62% synergy
Village Bell-Ringer
62% of 16 decks +61% synergy
Ragavan, Nimble Pilferer
69% of 16 decks +61% synergy
Boseiju, Who Endures
77% of 13 decks +57% synergy
Chord of Calling
62% of 13 decks +56% synergy
Gaea's Cradle
62% of 13 decks +56% synergy
Worldly Tutor
69% of 13 decks +55% synergy
Finale of Devastation
62% of 13 decks +53% synergy
Birthing Pod
54% of 13 decks +51% synergy
Top Cards
Birds of Paradise
77% of 13 decks +50% synergy
Swords to Plowshares
75% of 16 decks +12% synergy
Enlightened Tutor
69% of 16 decks +51% synergy
Esper Sentinel
62% of 16 decks +42% synergy
Delighted Halfling
62% of 13 decks +47% synergy
Path to Exile
56% of 16 decks +10% synergy
Veil of Summer
54% of 13 decks +48% synergy
Eladamri's Call
54% of 13 decks +43% synergy
Heroic Intervention
54% of 13 decks +24% synergy
Goblin Bombardment
50% of 16 decks +44% synergy
Creatures
Imperial Recruiter
62% of 16 decks +56% synergy
Avacyn's Pilgrim
46% of 13 decks +31% synergy
Elvish Mystic
46% of 13 decks +28% synergy
Llanowar Elves
46% of 13 decks +25% synergy
Kutzil, Malamet Exemplar
42% of 12 decks +22% synergy
Emiel the Blessed
38% of 13 decks +35% synergy
Seedborn Muse
38% of 13 decks +30% synergy
Sunstrike Legionnaire
38% of 16 decks +37% synergy
Tender Wildguide
38% of 8 decks +35% synergy
Felidar Guardian
38% of 16 decks +35% synergy
Combat Celebrant
38% of 16 decks +35% synergy
Recruiter of the Guard
38% of 16 decks +35% synergy
Finneas, Ace Archer
38% of 8 decks +34% synergy
Ranger-Captain of Eos
38% of 16 decks +33% synergy
Dualcaster Mage
38% of 16 decks +33% synergy
Drannith Magistrate
38% of 16 decks +31% synergy
Ghired, Mirror of the Wilds
36% of 11 decks +35% synergy
Bloom Tender
31% of 13 decks +23% synergy
Basking Broodscale
30% of 10 decks +28% synergy
Ocelot Pride
27% of 11 decks +22% synergy
Zealous Conscripts
25% of 16 decks +23% synergy
Orthion, Hero of Lavabrink
25% of 16 decks +23% synergy
Jaxis, the Troublemaker
25% of 16 decks +23% synergy
Walking Ballista
25% of 16 decks +22% synergy
Myrel, Shield of Argive
25% of 16 decks +22% synergy
Rosie Cotton of South Lane
25% of 16 decks +21% synergy
Archivist of Oghma
25% of 16 decks +19% synergy
Mondrak, Glory Dominus
25% of 16 decks +16% synergy
Dockside Extortionist
25% of 16 decks +13% synergy
Kozilek's Predator
23% of 13 decks +23% synergy
Scurry Oak
23% of 13 decks +21% synergy
Endurance
23% of 13 decks +21% synergy
Aven Interrupter
23% of 13 decks +20% synergy
Tireless Tracker
23% of 13 decks +18% synergy
Jaheira, Friend of the Forest
23% of 13 decks +18% synergy
Peregrin Took
23% of 13 decks +18% synergy
Oracle of Mul Daya
23% of 13 decks +17% synergy
Tireless Provisioner
23% of 13 decks +12% synergy
Fyndhorn Elves
23% of 13 decks +10% synergy
Charming Scoundrel
21% of 14 decks +20% synergy
Ojer Taq, Deepest Foundation
21% of 14 decks +15% synergy
Coercive Recruiter
19% of 16 decks +17% synergy
Solitude
19% of 16 decks +17% synergy
Guardian of Faith
19% of 16 decks +17% synergy
Restoration Angel
19% of 16 decks +16% synergy
Delina, Wild Mage
19% of 16 decks +16% synergy
Feldon of the Third Path
19% of 16 decks +16% synergy
Heliod, Sun-Crowned
19% of 16 decks +15% synergy
Goblin Engineer
19% of 16 decks +15% synergy
Academy Manufactor
19% of 16 decks +15% synergy
Instants
Noxious Revival
46% of 13 decks +41% synergy
Pyroblast
44% of 16 decks +38% synergy
Deflecting Swat
44% of 16 decks +28% synergy
Nature's Claim
38% of 13 decks +29% synergy
Beast Within
38% of 13 decks -0% synergy
Teferi's Protection
38% of 16 decks +18% synergy
Flare of Fortitude
33% of 12 decks +27% synergy
Red Elemental Blast
31% of 16 decks +25% synergy
Boros Charm
31% of 16 decks +6% synergy
Sundering Growth
31% of 13 decks +27% synergy
Rebuff the Wicked
25% of 16 decks +23% synergy
Legolas's Quick Reflexes
25% of 12 decks +22% synergy
Clever Concealment
25% of 16 decks +21% synergy
Guttural Response
23% of 13 decks +22% synergy
Vitalize
23% of 13 decks +22% synergy
Second Harvest
23% of 13 decks +18% synergy
Crop Rotation
23% of 13 decks +13% synergy
Prismatic Strands
19% of 16 decks +19% synergy
Angel's Grace
19% of 16 decks +17% synergy
Secure the Wastes
19% of 16 decks +16% synergy
Generous Gift
19% of 16 decks -7% synergy
Sorceries
Gamble
50% of 16 decks +40% synergy
Molten Duplication
46% of 13 decks +43% synergy
Eldritch Evolution
46% of 13 decks +41% synergy
Green Sun's Zenith
38% of 13 decks +32% synergy
Twinflame
38% of 16 decks +34% synergy
For the Common Good
38% of 8 decks +33% synergy
Jeska's Will
25% of 16 decks +8% synergy
Awaken the Woods
23% of 13 decks +19% synergy
Heat Shimmer
19% of 16 decks +18% synergy
Hour of Reckoning
19% of 16 decks +15% synergy
Sevinne's Reclamation
19% of 16 decks +12% synergy
Farewell
19% of 16 decks +5% synergy
Utility Artifacts
Ashnod's Altar
25% of 16 decks +17% synergy
The One Ring
25% of 16 decks +16% synergy
Eldrazi Monument
19% of 16 decks +18% synergy
Akroma's Memorial
19% of 16 decks +17% synergy
Sensei's Divining Top
19% of 16 decks +13% synergy
Enchantments
Smothering Tithe
50% of 16 decks +25% synergy
Warleader's Call
46% of 13 decks +35% synergy
Splinter Twin
44% of 16 decks +43% synergy
Impact Tremors
44% of 16 decks +34% synergy
Deafening Silence
31% of 16 decks +29% synergy
Survival of the Fittest
31% of 13 decks +29% synergy
Carpet of Flowers
31% of 13 decks +27% synergy
Trouble in Pairs
31% of 13 decks +24% synergy
Presence of Gond
23% of 13 decks +23% synergy
Parallel Lives
23% of 13 decks +16% synergy
Doubling Season
23% of 13 decks +14% synergy
Rhythm of the Wild
23% of 13 decks -0% synergy
Elemental Mastery
19% of 16 decks +18% synergy
Fable of the Mirror-Breaker
19% of 16 decks +16% synergy
Blind Obedience
19% of 16 decks +12% synergy
Anointed Procession
19% of 16 decks +10% synergy
Battles
Invasion of Ikoria
31% of 13 decks +26% synergy
Planeswalkers
Huatli, Radiant Champion
23% of 13 decks +22% synergy
Xenagos, the Reveler
23% of 13 decks +21% synergy
Utility Lands
Yavimaya, Cradle of Growth
56% of 16 decks +47% synergy
Ancient Tomb
50% of 16 decks +40% synergy
Sokenzan, Crucible of Defiance
25% of 16 decks +20% synergy
Dryad Arbor
23% of 13 decks +19% synergy
The Shire
23% of 13 decks +19% synergy
Buried Ruin
19% of 16 decks +14% synergy
Urza's Saga
19% of 16 decks +12% synergy
Mana Artifacts
Sol Ring
100% of 16 decks +16% synergy
Arcane Signet
81% of 16 decks +9% synergy
Mox Diamond
44% of 16 decks +39% synergy
Chrome Mox
44% of 16 decks +37% synergy
Lotus Petal
31% of 16 decks +25% synergy
Mana Vault
25% of 16 decks +19% synergy
Mana Crypt
25% of 16 decks +17% synergy
Fellwar Stone
25% of 16 decks +4% synergy
Cursed Mirror
19% of 16 decks +14% synergy
Lands
Sacred Foundry
100% of 16 decks +64% synergy
Stomping Ground
100% of 13 decks +59% synergy
Temple Garden
92% of 13 decks +52% synergy
Arid Mesa
88% of 16 decks +77% synergy
Command Tower
88% of 16 decks +14% synergy
Wooded Foothills
81% of 16 decks +71% synergy
Savannah
77% of 13 decks +64% synergy
Taiga
77% of 13 decks +64% synergy
Mana Confluence
75% of 16 decks +68% synergy
Windswept Heath
75% of 16 decks +64% synergy
Plateau
75% of 16 decks +63% synergy
Exotic Orchard
75% of 16 decks +39% synergy
City of Brass
69% of 16 decks +61% synergy
Spire Garden
62% of 13 decks +37% synergy
Spectator Seating
56% of 16 decks +31% synergy
Bountiful Promenade
54% of 13 decks +30% synergy
Flooded Strand
50% of 16 decks +39% synergy
Bloodstained Mire
44% of 16 decks +33% synergy
Scalding Tarn
44% of 16 decks +33% synergy
Verdant Catacombs
44% of 16 decks +32% synergy
Misty Rainforest
44% of 16 decks +32% synergy
Jetmir's Garden
38% of 13 decks +6% synergy
Marsh Flats
38% of 16 decks +26% synergy
Gemstone Caverns
31% of 16 decks +26% synergy
Prismatic Vista
31% of 16 decks +26% synergy
Clifftop Retreat
25% of 16 decks -4% synergy
Horizon Canopy
23% of 13 decks +18% synergy
Sunpetal Grove
23% of 13 decks -0% synergy
Forbidden Orchard
19% of 16 decks +16% synergy
Inspiring Vantage
19% of 16 decks +15% synergy
Cavern of Souls
19% of 16 decks +12% synergy
Rugged Prairie
19% of 16 decks +8% synergy
Sundown Pass
19% of 16 decks +3% synergy