Agatha's Soul Cauldron
Grist, the Hunger Tide
Grumgully, the Generous

   Prerequisites

What do I need to start this combo?
Grist in exile (Grist exiled by Agatha's Soul Cauldron in exile).
Agatha's Soul Cauldron and Grumgully on the battlefield.
You control a creature that has a +1/+1 counter on it.

   Steps

How does this combo work?
1
Activate a creature 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 the creature and repeat the process if the card was an Insect.
2
The Insect enters the battlefield with a +1/+1 counter on it due to Grumgully, causing it to have Grist's abilities.
3
Repeat from step 1 using the Insect token instead.

   Results

What do I get from this combo?
Infinite creature tokens
Infinite ETB
Infinite self-mill
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0.6%inclusion2 decks346 decks
Reyhan, Last of the Abzan // Toggo, Goblin Weaponsmith
4.5%inclusion2 decks44 decks
Winter, Misanthropic Guide
0.0%inclusion2 decks7K decks
Kenrith, the Returned King
0.0%inclusion2 decks27.7K decks
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2.6%inclusion1 decks38 decks
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New Cards
Hexing Squelcher
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92%synergy
High Synergy Cards
Walking Ballista
61%inclusion11 decks18 decks
58%synergy
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67%inclusion12 decks18 decks
48%synergy
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50%inclusion9 decks18 decks
47%synergy
Yavimaya, Cradle of Growth
56%inclusion10 decks18 decks
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Urborg, Tomb of Yawgmoth
56%inclusion10 decks18 decks
47%synergy
Metallic Mimic
44%inclusion8 decks18 decks
43%synergy
Kiki-Jiki, Mirror Breaker
39%inclusion7 decks18 decks
36%synergy
Deathrite Shaman
44%inclusion8 decks18 decks
33%synergy
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38%inclusion5 decks13 decks
33%synergy
Urza's Saga
39%inclusion7 decks18 decks
32%synergy
Top Cards
Ignoble Hierarch
56%inclusion10 decks18 decks
31%synergy
Reanimate
44%inclusion8 decks18 decks
25%synergy
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44%inclusion8 decks18 decks
17%synergy
Finale of Devastation
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31%synergy
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32%synergy
Entomb
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26%synergy
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21%synergy
Deflecting Swat
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17%synergy
Hazel's Brewmaster
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29%synergy
Triskelion
28%inclusion5 decks18 decks
27%synergy
Game Changers
Rhystic Study
80%inclusion4 decks5 decks
56%synergy
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72%inclusion13 decks18 decks
57%synergy
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53%synergy
Worldly Tutor
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49%synergy
Cyclonic Rift
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33%inclusion6 decks18 decks
27%synergy
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28%inclusion5 decks18 decks
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Creatures
Murderous Redcap
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Evolution Witness
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Six
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Boggart Harbinger
22%inclusion4 decks18 decks
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22%synergy
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Endurance
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Instants
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Sorceries
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Enchantments
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Planeswalkers
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Utility Lands
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Mana Artifacts
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Arcane Signet
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21%synergy
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Lands
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78%synergy
Bloodstained Mire
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78%synergy
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Stomping Ground
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42%synergy
Watery Grave
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Overgrown Tomb
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37%synergy
Command Tower
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Blood Crypt
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35%synergy
Ziatora's Proving Ground
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34%synergy
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23%synergy
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29%synergy
Raucous Theater
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Scalding Tarn
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28%synergy
Badlands
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Bayou
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25%synergy
Luxury Suite
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15%synergy
Marsh Flats
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23%synergy
Undergrowth Stadium
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10%synergy
Arid Mesa
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18%synergy
Misty Rainforest
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16%synergy
Taiga
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15%synergy
Karplusan Forest
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8%synergy
Exotic Orchard
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-9%synergy
Prismatic Vista
22%inclusion4 decks18 decks
17%synergy
Gemstone Caverns
22%inclusion4 decks18 decks
17%synergy
Mana Confluence
22%inclusion4 decks18 decks
15%synergy
Windswept Heath
22%inclusion4 decks18 decks
11%synergy
Flooded Strand
22%inclusion4 decks18 decks
11%synergy
Polluted Delta
22%inclusion4 decks18 decks
10%synergy
Underground Mortuary
22%inclusion4 decks18 decks
10%synergy
Llanowar Wastes
22%inclusion4 decks18 decks
-5%synergy
Riveteers Overlook
17%inclusion3 decks18 decks
15%synergy
Reflecting Pool
17%inclusion3 decks18 decks
12%synergy
Fire-Lit Thicket
17%inclusion3 decks18 decks
11%synergy
Cavern of Souls
17%inclusion3 decks18 decks
9%synergy
City of Brass
17%inclusion3 decks18 decks
9%synergy
Fabled Passage
17%inclusion3 decks18 decks
7%synergy
Savage Lands
17%inclusion3 decks18 decks
-5%synergy
Sulfurous Springs
17%inclusion3 decks18 decks
-7%synergy
Woodland Cemetery
17%inclusion3 decks18 decks
-15%synergy