Insidious Roots + Peregrin Took + Cauldron Familiar + Yahenni, Undying Partisan

Insidious Roots
Peregrin Took
Cauldron Familiar
Yahenni, Undying Partisan

Requires
Insidious Roots must be on the battlefield. Peregrin Took must be on the battlefield. Cauldron Familiar must be on the battlefield. Yahenni, Undying Partisan must be on the battlefield. You control at least one Food.
Steps
  1. Activate Yahenni by sacrificing Cauldron Familiar, giving Yahenni indestructible until end of turn.
  2. Activate Cauldron Familiar by sacrificing a Food, returning Cauldron Familiar to the battlefield from your graveyard.
  3. Cauldron Familiar and Insidious Roots trigger.
  4. Resolve the Insidious Roots trigger, creating a 0/1 green Plant creature token and a Food artifact token, and then putting a +1/+1 counter on each Plant you control.
  5. Resolve the Cauldron Familiar trigger, causing each opponent to lose 1 life and you to gain 1 life.
  6. Repeat
Results
Infinite +1/+1 counters on Plants you control. Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite lifegain. Infinite lifegain triggers. Infinite lifeloss. Infinite LTB. Infinite sacrifice triggers.

Ygra, Eater of All
0.12% of 4938 decks 6 decks
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90% of 10 decks +87% synergy
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40% of 10 decks +38% synergy
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Hazel of the Rootbloom
30% of 10 decks +28% synergy
High Synergy Cards
Viscera Seer
77% of 13 decks +72% synergy
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69% of 13 decks +65% synergy
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62% of 13 decks +61% synergy
Experimental Confectioner
62% of 13 decks +61% synergy
Woe Strider
62% of 13 decks +60% synergy
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62% of 13 decks +54% synergy
Blasting Station
54% of 13 decks +53% synergy
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54% of 13 decks +52% synergy
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54% of 13 decks +51% synergy
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55% of 11 decks +50% synergy
Top Cards
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54% of 13 decks +44% synergy
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46% of 13 decks +45% synergy
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46% of 13 decks +44% synergy
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46% of 13 decks +43% synergy
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46% of 13 decks +42% synergy
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46% of 13 decks +40% synergy
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46% of 13 decks +40% synergy
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46% of 13 decks +28% synergy
Creatures
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45% of 11 decks +41% synergy
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38% of 13 decks +38% synergy
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38% of 13 decks +33% synergy
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38% of 13 decks +30% synergy
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38% of 13 decks +29% synergy
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31% of 13 decks +31% synergy
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31% of 13 decks +30% synergy
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31% of 13 decks +29% synergy
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27% of 11 decks +26% synergy
Arcbound Ravager
23% of 13 decks +23% synergy
Greta, Sweettooth Scourge
23% of 13 decks +23% synergy
Elanor Gardner
23% of 13 decks +22% synergy
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23% of 13 decks +22% synergy
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23% of 13 decks +22% synergy
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23% of 13 decks +21% synergy
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23% of 13 decks +20% synergy
Tireless Provisioner
23% of 13 decks +18% synergy
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23% of 13 decks +18% synergy
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23% of 13 decks +15% synergy
Instants
Putrefy
38% of 13 decks +35% synergy
Tear Asunder
31% of 13 decks +29% synergy
Krosan Grip
31% of 13 decks +27% synergy
Village Rites
31% of 13 decks +26% synergy
Heroic Intervention
31% of 13 decks +17% synergy
Tamiyo's Safekeeping
23% of 13 decks +20% synergy
Crop Rotation
23% of 13 decks +18% synergy
Worldly Tutor
23% of 13 decks +16% synergy
Vampiric Tutor
23% of 13 decks +14% synergy
Dark Ritual
23% of 13 decks +12% synergy
Sorceries
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46% of 13 decks +24% synergy
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38% of 13 decks +38% synergy
Rise of the Witch-king
31% of 13 decks +29% synergy
Culling Ritual
31% of 13 decks +28% synergy
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31% of 13 decks +16% synergy
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31% of 13 decks +15% synergy
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31% of 13 decks +15% synergy
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23% of 13 decks +23% synergy
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23% of 13 decks +21% synergy
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23% of 13 decks +17% synergy
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23% of 13 decks +15% synergy
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23% of 13 decks +11% synergy
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23% of 13 decks +8% synergy
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38% of 13 decks +38% synergy
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38% of 13 decks +36% synergy
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31% of 13 decks +31% synergy
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25% of 12 decks +24% synergy
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23% of 13 decks +23% synergy
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23% of 13 decks +23% synergy
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23% of 13 decks +22% synergy
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Enchantments
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38% of 13 decks +38% synergy
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31% of 13 decks +29% synergy
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31% of 13 decks +30% synergy
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23% of 13 decks +19% synergy
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54% of 13 decks -18% synergy
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Lands
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