Tyvar, Jubilant Brawler + Pitiless Plunderer + Ashnod's Altar + Eternal Witness + Doomed Necromancer

Tyvar, Jubilant Brawler
Pitiless Plunderer
Ashnod's Altar
Eternal Witness
Doomed Necromancer

Requires
Tyvar, Jubilant Brawler must be on the battlefield. Pitiless Plunderer must be on the battlefield. Ashnod's Altar must be on the battlefield. Eternal Witness must be on the battlefield. Doomed Necromancer must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Eternal Witness, adding .
  2. When Eternal Witness dies, Pitiless Plunderer triggers, creating a Treasure artifact token.
  3. Activate the Treasure by tapping and sacrificing it, adding .
  4. Activate Doomed Necromancer by paying , tapping it and sacrificing it.
  5. When Doomed Necromancer dies, Pitiless Plunderer triggers, creating a Treasure artifact token.
  6. Resolve the Doomed Necromancer ability, returning Eternal Witness from your graveyard to the battlefield.
  7. When Eternal Witness enters the battlefield, it triggers, returning Doomed Necromancer from your graveyard to your hand.
  8. Activate a Treasure by tapping and sacrificing it, adding .
  9. Cast Doomed Necromancer by paying 2.
  10. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.

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High Synergy Cards
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88% of 8 decks +80% synergy
Sakura-Tribe Elder
91% of 11 decks +72% synergy
Viscera Seer
64% of 11 decks +54% synergy
Phyrexian Altar
55% of 11 decks +51% synergy
Syr Konrad, the Grim
55% of 11 decks +46% synergy
Zulaport Cutthroat
55% of 11 decks +45% synergy
Protean Hulk
45% of 11 decks +44% synergy
Woe Strider
45% of 11 decks +43% synergy
Victimize
55% of 11 decks +43% synergy
Deathrite Shaman
55% of 11 decks +43% synergy
Top Cards
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55% of 11 decks +42% synergy
Eldritch Evolution
45% of 11 decks +41% synergy
Dread Return
45% of 11 decks +40% synergy
Animate Dead
45% of 11 decks +36% synergy
Saw in Half
36% of 11 decks +33% synergy
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36% of 11 decks +31% synergy
Carrion Feeder
36% of 11 decks +31% synergy
Entomb
36% of 11 decks +29% synergy
Braids, Arisen Nightmare
36% of 11 decks +29% synergy
Diabolic Intent
36% of 11 decks +28% synergy
Creatures
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75% of 4 decks +73% synergy
Cruel Celebrant
75% of 4 decks +67% synergy
Sun Titan
75% of 4 decks +65% synergy
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75% of 4 decks +64% synergy
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36% of 11 decks +25% synergy
Birds of Paradise
36% of 11 decks +9% synergy
Whisper, Blood Liturgist
27% of 11 decks +26% synergy
Apprentice Necromancer
27% of 11 decks +26% synergy
Ruthless Technomancer
27% of 11 decks +25% synergy
Pawn of Ulamog
27% of 11 decks +25% synergy
Priest of Forgotten Gods
27% of 11 decks +25% synergy
Fiend Artisan
27% of 11 decks +25% synergy
Devoted Druid
27% of 11 decks +24% synergy
Yawgmoth, Thran Physician
27% of 11 decks +24% synergy
Grim Haruspex
27% of 11 decks +23% synergy
Incubation Druid
27% of 11 decks +22% synergy
Morbid Opportunist
27% of 11 decks +22% synergy
Opposition Agent
27% of 11 decks +20% synergy
Dauthi Voidwalker
27% of 11 decks +19% synergy
Reclamation Sage
27% of 11 decks +16% synergy
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27% of 11 decks +6% synergy
Instants
Deadly Dispute
36% of 11 decks +25% synergy
Assassin's Trophy
36% of 11 decks +6% synergy
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36% of 11 decks -2% synergy
Culling the Weak
27% of 11 decks +24% synergy
Vampiric Tutor
27% of 11 decks +9% synergy
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27% of 11 decks +5% synergy
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36% of 11 decks +21% synergy
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36% of 11 decks +4% synergy
Farseek
36% of 11 decks +2% synergy
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36% of 11 decks +2% synergy
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36% of 11 decks -10% synergy
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27% of 11 decks +22% synergy
Utility Artifacts
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27% of 11 decks +26% synergy
Enchantments
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27% of 11 decks +21% synergy
Utility Lands
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45% of 11 decks +36% synergy
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45% of 11 decks +15% synergy
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36% of 11 decks +28% synergy
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27% of 11 decks +22% synergy
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27% of 11 decks +18% synergy
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27% of 11 decks +16% synergy
Mana Artifacts
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73% of 11 decks +1% synergy
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Lands
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91% of 11 decks +17% synergy
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55% of 11 decks +27% synergy
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45% of 11 decks +19% synergy
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36% of 11 decks +25% synergy
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27% of 11 decks +18% synergy
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27% of 11 decks +6% synergy
Llanowar Wastes
27% of 11 decks +2% synergy