Hero of the Dunes + Fiend Hunter + Viscera Seer

Hero of the Dunes
Fiend Hunter
Viscera Seer

Requires
Hero of the Dunes must be in exile (exiled by Fiend Hunter). Fiend Hunter must be on the battlefield. Viscera Seer must be on the battlefield.
Steps
  1. Activate Viscera Seer by sacrificing Fiend Hunter.
  2. When Fiend Hunter dies, its second ability triggers, returning Hero of the Dunes to the battlefield from exile.
  3. When Hero of the Dunes enters the battlefield, it triggers, returning Fiend Hunter from your graveyard to the battlefield.
  4. When Fiend Hunter enters the battlefield, its first ability triggers, exiling Hero of the Dunes.
  5. Resolve the Viscera Seer ability from step 1, causing you to scry 1.
  6. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite scry 1.

Kroxa and Kunoros
0.19% of 2065 decks 4 decks
Karador, Ghost Chieftain
0.07% of 5423 decks 4 decks
Teysa Karlov
0.02% of 15616 decks 3 decks
Barrowin of Clan Undurr
0.91% of 220 decks 2 decks
Teysa, Orzhov Scion
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Bane, Lord of Darkness
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Abdel Adrian, Gorion's Ward // Scion of Halaster
9.09% of 22 decks 2 decks
Alesha, Who Smiles at Death
0.03% of 5913 decks 2 decks
Elas il-Kor, Sadistic Pilgrim
0.02% of 6522 decks 1 decks
Thalia and The Gitrog Monster
0.01% of 12880 decks 1 decks
Esior, Wardwing Familiar // Ravos, Soultender
2.13% of 47 decks 1 decks
Othelm, Sigardian Outcast // Wernog, Rider's Chaplain
0.11% of 912 decks 1 decks
Commissar Severina Raine
0.06% of 1808 decks 1 decks
Nethroi, Apex of Death
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Astarion, the Decadent
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Bartolomé del Presidio
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Shilgengar, Sire of Famine
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Zulaport Cutthroat
64% of 33 decks +54% synergy
Accursed Marauder
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57% of 7 decks +52% synergy
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57% of 7 decks +50% synergy
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58% of 33 decks +47% synergy
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57% of 7 decks +46% synergy
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38% of 8 decks +36% synergy
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38% of 8 decks +31% synergy
Lotho, Corrupt Shirriff
38% of 16 decks +23% synergy
Carrion Feeder
36% of 33 decks +31% synergy
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36% of 33 decks +25% synergy
Warren Soultrader
33% of 9 decks +26% synergy
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Esper Sentinel
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24% of 33 decks +21% synergy
Cathar Commando
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21% of 33 decks +20% synergy
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21% of 33 decks +16% synergy
Bloodflow Connoisseur
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18% of 33 decks +14% synergy
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18% of 33 decks +9% synergy
Syr Konrad, the Grim
18% of 33 decks +9% synergy
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17% of 24 decks +13% synergy
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15% of 33 decks +14% synergy
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15% of 33 decks +14% synergy
Restoration Angel
15% of 33 decks +13% synergy
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15% of 33 decks +11% synergy
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15% of 33 decks +8% synergy
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14% of 22 decks +7% synergy
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38% of 8 decks +28% synergy
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18% of 33 decks +8% synergy
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15% of 33 decks +5% synergy
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Myriad Landscape
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Snowfield Sinkhole
12% of 33 decks +9% synergy
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City of Brass
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Sunlit Marsh
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Wooded Foothills
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Fetid Heath
9% of 33 decks -2% synergy
Scalding Tarn
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Misty Rainforest
9% of 33 decks -3% synergy