Agatha's Soul Cauldron + Grist, the Hunger Tide + Master Biomancer

Agatha's Soul Cauldron
Grist, the Hunger Tide
Master Biomancer

Requires
Agatha's Soul Cauldron must be on the battlefield. Grist, the Hunger Tide must be in exile (exiled by Agatha's Soul Cauldron). Master Biomancer must be on the battlefield. Master Biomancer has at least one +1/+1 counter on it.
Steps
  1. Activate Master Biomancer using Grist's first loyalty ability by putting a loyalty counter on it, causing you to create a 1/1 Insect creature token and mill a card, and then put a loyalty counter on Master Biomancer and repeat the process if the card was an Insect.
  2. The Insect enters the battlefield with at least three +1/+1 counters on it due to Master Biomancer, causing it to have Grist's abilities.
  3. Repeat from step 1 using the Insect token instead.
Results
Infinite creature tokens. Infinite ETB. Infinite self-mill.

Xavier Sal, Infested Captain
0.25% of 4715 decks 12 decks
The Wise Mothman
0.02% of 13356 decks 3 decks
Indominus Rex, Alpha
0.06% of 4911 decks 3 decks
Atraxa, Praetors' Voice
0.01% of 35754 decks 3 decks
The Master, Transcendent
0.07% of 2676 decks 2 decks
Tazri, Stalwart Survivor
0.11% of 1861 decks 2 decks
Ishai, Ojutai Dragonspeaker // Reyhan, Last of the Abzan
0.13% of 1572 decks 2 decks
Niv-Mizzet Reborn
0.02% of 4093 decks 1 decks
Tasigur, the Golden Fang
0.02% of 5863 decks 1 decks
Reyhan, Last of the Abzan // Sakashima of a Thousand Faces
0.37% of 271 decks 1 decks
Sisay, Weatherlight Captain
0.01% of 12276 decks 1 decks
Cazur, Ruthless Stalker // Ukkima, Stalking Shadow
0.03% of 3814 decks 1 decks
Reyhan, Last of the Abzan // Silas Renn, Seeker Adept
1.39% of 72 decks 1 decks
The Mimeoplasm
0.02% of 5846 decks 1 decks
Muldrotha, the Gravetide
0.01% of 15570 decks 1 decks
Vorosh, the Hunter
0.31% of 320 decks 1 decks
High Synergy Cards
Brokers Ascendancy
56% of 9 decks +48% synergy
Incubation Druid
53% of 36 decks +48% synergy
Tyvar, Jubilant Brawler
47% of 36 decks +42% synergy
Mikaeus, the Lunarch
44% of 9 decks +42% synergy
Walking Ballista
44% of 36 decks +42% synergy
Cathars' Crusade
44% of 9 decks +39% synergy
Birds of Paradise
64% of 36 decks +37% synergy
Ripples of Potential
40% of 20 decks +37% synergy
Yawgmoth, Thran Physician
39% of 36 decks +35% synergy
Kami of Whispered Hopes
42% of 36 decks +34% synergy
Top Cards
Assassin's Trophy
50% of 36 decks +20% synergy
Nature's Lore
47% of 36 decks +15% synergy
Farseek
47% of 36 decks +13% synergy
Heroic Intervention
44% of 36 decks +15% synergy
Swords to Plowshares
44% of 9 decks -18% synergy
Hardened Scales
39% of 36 decks +30% synergy
Eternal Witness
39% of 36 decks +18% synergy
Thousand-Year Elixir
36% of 36 decks +34% synergy
Devoted Druid
33% of 36 decks +30% synergy
The Ozolith
33% of 36 decks +30% synergy
Creatures
Zirda, the Dawnwaker
75% of 4 decks +72% synergy
Fathom Mage
33% of 36 decks +29% synergy
Conclave Mentor
33% of 9 decks +29% synergy
Shalai, Voice of Plenty
33% of 9 decks +26% synergy
Esper Sentinel
33% of 9 decks +13% synergy
Gyre Sage
31% of 36 decks +27% synergy
Winding Constrictor
31% of 36 decks +27% synergy
Kiora's Follower
31% of 36 decks +25% synergy
Delighted Halfling
31% of 36 decks +16% synergy
Forgotten Ancient
28% of 36 decks +22% synergy
Deathrite Shaman
28% of 36 decks +16% synergy
Danny Pink
25% of 24 decks +23% synergy
Biophagus
25% of 36 decks +23% synergy
Tekuthal, Inquiry Dominus
25% of 36 decks +22% synergy
Rishkar, Peema Renegade
25% of 36 decks +20% synergy
Bloom Tender
25% of 36 decks +17% synergy
Metallic Mimic
19% of 36 decks +18% synergy
Glen Elendra Archmage
19% of 36 decks +17% synergy
Vorinclex, Monstrous Raider
19% of 36 decks +16% synergy
Carrion Feeder
19% of 36 decks +14% synergy
Corpsejack Menace
19% of 36 decks +14% synergy
Pir, Imaginative Rascal
17% of 36 decks +16% synergy
Fain, the Broker
17% of 36 decks +15% synergy
Scurry Oak
17% of 36 decks +15% synergy
Herald of Secret Streams
17% of 36 decks +14% synergy
Arwen, Weaver of Hope
17% of 36 decks +14% synergy
Selvala, Heart of the Wilds
17% of 36 decks +12% synergy
Muldrotha, the Gravetide
17% of 36 decks +10% synergy
Evolution Sage
17% of 36 decks +10% synergy
Thassa's Oracle
17% of 36 decks +9% synergy
Dauthi Voidwalker
17% of 36 decks +9% synergy
Sage of Hours
14% of 36 decks +13% synergy
Experiment Kraj
14% of 36 decks +13% synergy
Toothy, Imaginary Friend
14% of 36 decks +13% synergy
Wall of Roots
14% of 36 decks +13% synergy
Reyhan, Last of the Abzan
14% of 36 decks +13% synergy
Vorel of the Hull Clade
14% of 36 decks +11% synergy
Ledger Shredder
14% of 36 decks +10% synergy
Scavenging Ooze
14% of 36 decks +10% synergy
Ezuri, Stalker of Spheres
14% of 36 decks +10% synergy
Kinnan, Bonder Prodigy
14% of 36 decks +10% synergy
Champion of Lambholt
14% of 36 decks +7% synergy
Cankerbloom
14% of 36 decks +7% synergy
Spark Double
14% of 36 decks +7% synergy
Seedborn Muse
14% of 36 decks +6% synergy
Scute Swarm
14% of 36 decks +4% synergy
Elves of Deep Shadow
14% of 36 decks +3% synergy
Orcish Bowmasters
14% of 36 decks +3% synergy
Baleful Strix
14% of 36 decks +1% synergy
Sakura-Tribe Elder
14% of 36 decks -5% synergy
Instants
Enlightened Tutor
33% of 9 decks +16% synergy
Cyclonic Rift
33% of 36 decks +6% synergy
Counterspell
31% of 36 decks -12% synergy
Vampiric Tutor
28% of 36 decks +10% synergy
An Offer You Can't Refuse
28% of 36 decks +7% synergy
Arcane Denial
25% of 36 decks +5% synergy
Inspiring Call
22% of 36 decks +15% synergy
Fierce Guardianship
22% of 36 decks +4% synergy
Beast Within
22% of 36 decks -16% synergy
Radstorm
22% of 23 decks +20% synergy
Worldly Tutor
19% of 36 decks +5% synergy
Legolas's Quick Reflexes
19% of 26 decks +16% synergy
Drown in the Loch
17% of 36 decks +11% synergy
Deadly Rollick
17% of 36 decks +6% synergy
Mana Drain
17% of 36 decks +1% synergy
Swan Song
17% of 36 decks +0% synergy
Growth Spiral
14% of 36 decks -8% synergy
Slip Out the Back
11% of 36 decks +8% synergy
Snakeskin Veil
11% of 36 decks +7% synergy
Dramatic Reversal
11% of 36 decks +6% synergy
Noxious Revival
11% of 36 decks +6% synergy
Chord of Calling
11% of 36 decks +5% synergy
Abrupt Decay
11% of 36 decks +1% synergy
Dark Ritual
11% of 36 decks -11% synergy
Saw in Half
8% of 36 decks +5% synergy
Veil of Summer
8% of 36 decks +2% synergy
Tear Asunder
8% of 36 decks +2% synergy
Entomb
8% of 36 decks +1% synergy
Malakir Rebirth
8% of 36 decks +0% synergy
Crop Rotation
8% of 36 decks -2% synergy
Brainstorm
8% of 36 decks -13% synergy
Negate
8% of 36 decks -14% synergy
Sorceries
Three Visits
44% of 36 decks +20% synergy
Demonic Tutor
36% of 36 decks +14% synergy
Damning Verdict
33% of 9 decks +31% synergy
Toxic Deluge
33% of 36 decks +16% synergy
Reanimate
31% of 36 decks +15% synergy
Nuclear Fallout
30% of 10 decks +28% synergy
Cultivate
28% of 36 decks -18% synergy
Wave Goodbye
20% of 20 decks +17% synergy
Bala Ged Recovery
19% of 36 decks +10% synergy
Neoform
17% of 36 decks +11% synergy
Kodama's Reach
17% of 36 decks -15% synergy
Life from the Loam
14% of 36 decks +10% synergy
Eldritch Evolution
14% of 36 decks +9% synergy
Fabricate
14% of 36 decks +8% synergy
Finale of Devastation
14% of 36 decks +6% synergy
Diabolic Intent
14% of 36 decks +5% synergy
Culling Ritual
14% of 36 decks +3% synergy
Rampant Growth
14% of 36 decks -21% synergy
Agadeem's Awakening
11% of 36 decks +8% synergy
Tezzeret's Gambit
11% of 36 decks +8% synergy
Unnatural Restoration
11% of 36 decks +7% synergy
Imperial Seal
11% of 36 decks +5% synergy
Damnation
11% of 36 decks +3% synergy
Black Sun's Zenith
8% of 36 decks +7% synergy
Time Warp
8% of 36 decks +6% synergy
Irenicus's Vile Duplication
8% of 36 decks +5% synergy
Dread Return
8% of 36 decks +3% synergy
Green Sun's Zenith
8% of 36 decks +2% synergy
Read the Bones
8% of 36 decks +1% synergy
Utility Artifacts
Lightning Greaves
33% of 36 decks +8% synergy
The Great Henge
28% of 36 decks +18% synergy
Ozolith, the Shattered Spire
25% of 36 decks +19% synergy
Mesmeric Orb
19% of 36 decks +18% synergy
Dino DNA
17% of 23 decks +17% synergy
Birthing Pod
17% of 36 decks +14% synergy
Altar of Dementia
14% of 36 decks +11% synergy
The One Ring
14% of 36 decks +5% synergy
The Skullspore Nexus
12% of 25 decks +8% synergy
Sting, the Glinting Dagger
11% of 36 decks +10% synergy
Conduit of Worlds
11% of 36 decks +5% synergy
Swiftfoot Boots
11% of 36 decks -17% synergy
Shadowspear
8% of 36 decks +5% synergy
Wishclaw Talisman
8% of 36 decks +3% synergy
Ashnod's Altar
8% of 36 decks +1% synergy
Skullclamp
8% of 36 decks -4% synergy
Enchantments
Rhystic Study
31% of 36 decks +3% synergy
Doubling Season
28% of 36 decks +19% synergy
Mystic Remora
28% of 36 decks +10% synergy
Branching Evolution
25% of 36 decks +20% synergy
Intruder Alarm
22% of 36 decks +20% synergy
Animate Dead
19% of 36 decks +10% synergy
Simic Ascendancy
17% of 36 decks +11% synergy
Sylvan Library
17% of 36 decks +5% synergy
Tribute to the World Tree
14% of 36 decks +6% synergy
Virtue of Persistence
10% of 30 decks +7% synergy
Leyline of Abundance
8% of 36 decks +7% synergy
City of Death
8% of 36 decks +7% synergy
Oversold Cemetery
8% of 36 decks +7% synergy
Freed from the Real
8% of 36 decks +6% synergy
Bred for the Hunt
8% of 36 decks +6% synergy
Concordant Crossroads
8% of 36 decks +6% synergy
Greater Good
8% of 36 decks +3% synergy
The Meathook Massacre
8% of 36 decks +3% synergy
Binding the Old Gods
8% of 36 decks +3% synergy
Exploration
8% of 36 decks -0% synergy
Wild Growth
8% of 36 decks -3% synergy
Planeswalkers
Vraska, Betrayal's Sting
19% of 36 decks +16% synergy
Tevesh Szat, Doom of Fools
11% of 36 decks +10% synergy
Kiora, Behemoth Beckoner
11% of 36 decks +7% synergy
Oko, Thief of Crowns
11% of 36 decks +5% synergy
Teferi, Master of Time
8% of 36 decks +6% synergy
Liliana, Dreadhorde General
8% of 36 decks +5% synergy
Utility Lands
Boseiju, Who Endures
47% of 36 decks +28% synergy
Otawara, Soaring City
39% of 36 decks +22% synergy
Yavimaya, Cradle of Growth
36% of 36 decks +27% synergy
Urborg, Tomb of Yawgmoth
33% of 36 decks +24% synergy
Takenuma, Abandoned Mire
28% of 36 decks +17% synergy
Minamo, School at Water's Edge
25% of 36 decks +21% synergy
Karn's Bastion
22% of 36 decks +17% synergy
Urza's Saga
22% of 36 decks +15% synergy
Reliquary Tower
22% of 36 decks -7% synergy
Oran-Rief, the Vastwood
19% of 36 decks +15% synergy
Bojuka Bog
17% of 36 decks -14% synergy
Nesting Grounds
14% of 36 decks +12% synergy
Inkmoth Nexus
11% of 36 decks +10% synergy
Novijen, Heart of Progress
11% of 36 decks +10% synergy
Argoth, Sanctum of Nature
8% of 36 decks +6% synergy
Dakmor Salvage
8% of 36 decks +6% synergy
Llanowar Reborn
8% of 36 decks +6% synergy
Thespian's Stage
8% of 36 decks +6% synergy
Field of the Dead
8% of 36 decks +5% synergy
Dryad Arbor
8% of 36 decks +4% synergy
Ancient Tomb
8% of 36 decks -2% synergy
Mana Artifacts
Sol Ring
81% of 36 decks -4% synergy
Arcane Signet
67% of 36 decks -5% synergy
Astral Cornucopia
22% of 36 decks +21% synergy
Fellwar Stone
14% of 36 decks -7% synergy
Everflowing Chalice
11% of 36 decks +6% synergy
Lotus Petal
11% of 36 decks +4% synergy
Golgari Signet
11% of 36 decks -1% synergy
Simic Signet
11% of 36 decks -3% synergy
Chromatic Lantern
8% of 36 decks -1% synergy
Dimir Signet
8% of 36 decks -21% synergy
Lands
Breeding Pool
94% of 36 decks +53% synergy
Command Tower
94% of 36 decks +21% synergy
Overgrown Tomb
92% of 36 decks +49% synergy
Indatha Triome
89% of 9 decks +58% synergy
Temple Garden
89% of 9 decks +49% synergy
Hallowed Fountain
89% of 9 decks +48% synergy
Watery Grave
86% of 36 decks +45% synergy
Misty Rainforest
81% of 36 decks +69% synergy
Zagoth Triome
81% of 36 decks +50% synergy
Verdant Catacombs
78% of 36 decks +66% synergy
Raffine's Tower
78% of 9 decks +50% synergy
Sacred Foundry
75% of 4 decks +39% synergy
Polluted Delta
69% of 36 decks +58% synergy
Spara's Headquarters
67% of 9 decks +35% synergy
Godless Shrine
67% of 9 decks +26% synergy
Hedge Maze
53% of 17 decks +39% synergy
Underground Mortuary
53% of 17 decks +37% synergy
Morphic Pool
53% of 36 decks +27% synergy
Undergrowth Stadium
53% of 36 decks +27% synergy
Rejuvenating Springs
53% of 36 decks +24% synergy
Exotic Orchard
47% of 36 decks +12% synergy
Undercity Sewers
47% of 17 decks +33% synergy
City of Brass
33% of 36 decks +25% synergy
Windswept Heath
33% of 36 decks +23% synergy
Opulent Palace
33% of 36 decks +7% synergy
Hinterland Harbor
33% of 36 decks +6% synergy
Wooded Foothills
31% of 36 decks +20% synergy
Mana Confluence
28% of 36 decks +20% synergy
Flooded Strand
28% of 36 decks +17% synergy
Marsh Flats
28% of 36 decks +17% synergy
Bayou
25% of 36 decks +11% synergy
Tropical Island
25% of 36 decks +11% synergy
Underground Sea
25% of 36 decks +11% synergy
Woodland Cemetery
25% of 36 decks -3% synergy
Dreamroot Cascade
22% of 36 decks +3% synergy
Shipwreck Marsh
19% of 36 decks +1% synergy
Scalding Tarn
17% of 36 decks +6% synergy
Path of Ancestry
17% of 36 decks -5% synergy
Drowned Catacomb
17% of 36 decks -9% synergy
Prismatic Vista
14% of 36 decks +8% synergy
Waterlogged Grove
14% of 36 decks +6% synergy
Bloodstained Mire
14% of 36 decks +3% synergy
Yavimaya Coast
14% of 36 decks -13% synergy
Nurturing Peatland
11% of 36 decks +5% synergy
Flooded Grove
11% of 36 decks -1% synergy
Deathcap Glade
11% of 36 decks -3% synergy
Underground River
11% of 36 decks -8% synergy
Llanowar Wastes
11% of 36 decks -15% synergy
Sunken Hollow
11% of 36 decks -23% synergy
Forbidden Orchard
8% of 36 decks +6% synergy