Hero of the Dunes + Fiend Hunter + Ashnod's Altar

Hero of the Dunes
Fiend Hunter
Ashnod's Altar

Requires
Hero of the Dunes must be in exile (exiled by Fiend Hunter). Fiend Hunter must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Fiend Hunter, adding .
  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. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Kroxa and Kunoros
0.27% of 1845 decks 5 decks
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100% of 6 decks +90% synergy
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67% of 6 decks +66% synergy
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57% of 30 decks +54% synergy
Top Cards
Swords to Plowshares
70% of 30 decks +41% synergy
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53% of 30 decks +48% synergy
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Faithless Looting
50% of 12 decks +42% synergy
Skullclamp
50% of 30 decks +37% synergy
Path to Exile
50% of 30 decks +30% synergy
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43% of 30 decks +38% synergy
Blood Artist
43% of 30 decks +37% synergy
Reanimate
43% of 30 decks +36% synergy
Judith, the Scourge Diva
42% of 12 decks +41% synergy
Creatures
Riders of Rohan
50% of 6 decks +50% synergy
Pitiless Plunderer
37% of 30 decks +33% synergy
Karmic Guide
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Imperial Recruiter
33% of 12 decks +30% synergy
Angel of Glory's Rise
30% of 30 decks +30% synergy
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Grim Haruspex
30% of 30 decks +28% synergy
Elas il-Kor, Sadistic Pilgrim
30% of 30 decks +27% synergy
Sun Titan
30% of 30 decks +25% synergy
Cartel Aristocrat
27% of 30 decks +27% synergy
Morbid Opportunist
27% of 30 decks +24% synergy
Lotho, Corrupt Shirriff
27% of 15 decks +23% synergy
Kroxa, Titan of Death's Hunger
25% of 12 decks +25% synergy
Mishra, Claimed by Gix
25% of 12 decks +25% synergy
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25% of 12 decks +24% synergy
Mayhem Devil
25% of 12 decks +23% synergy
Species Specialist
23% of 30 decks +23% synergy
Teysa Karlov
23% of 30 decks +22% synergy
Esper Sentinel
23% of 30 decks +14% synergy
Sister Hospitaller
20% of 30 decks +20% synergy
Jirina, Dauntless General
20% of 15 decks +20% synergy
Priest of Fell Rites
20% of 30 decks +19% synergy
Coppercoat Vanguard
20% of 15 decks +19% synergy
Stitcher's Supplier
20% of 30 decks +19% synergy
Carrion Feeder
20% of 30 decks +17% synergy
Mother of Runes
20% of 30 decks +17% synergy
Syr Konrad, the Grim
20% of 30 decks +15% synergy
Extraction Specialist
17% of 30 decks +17% synergy
Prowling Geistcatcher
17% of 30 decks +16% synergy
Xathrid Necromancer
17% of 30 decks +16% synergy
Leonin Relic-Warder
17% of 30 decks +16% synergy
Luminous Broodmoth
17% of 30 decks +16% synergy
Reveillark
17% of 30 decks +16% synergy
Liesa, Forgotten Archangel
17% of 30 decks +16% synergy
Corpse Knight
17% of 30 decks +15% synergy
Knight of the White Orchid
17% of 30 decks +14% synergy
Grand Abolisher
17% of 30 decks +13% synergy
Solemn Simulacrum
17% of 30 decks +3% synergy
Jerren, Corrupted Bishop
13% of 30 decks +13% synergy
General Kudro of Drannith
13% of 30 decks +13% synergy
Cemetery Protector
13% of 30 decks +13% synergy
Abdel Adrian, Gorion's Ward
13% of 30 decks +13% synergy
Charming Prince
13% of 30 decks +12% synergy
Priest of Forgotten Gods
13% of 30 decks +12% synergy
Pawn of Ulamog
13% of 30 decks +12% synergy
Recruiter of the Guard
13% of 30 decks +12% synergy
Wall of Omens
13% of 30 decks +12% synergy
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13% of 30 decks +12% synergy
Cathar Commando
13% of 30 decks +12% synergy
Spirited Companion
13% of 30 decks +11% synergy
Instants
Counterspell
60% of 5 decks +39% synergy
Boros Charm
33% of 12 decks +28% synergy
Entomb
30% of 30 decks +26% synergy
Malakir Rebirth
30% of 30 decks +26% synergy
Rakdos Charm
25% of 12 decks +22% synergy
Abrade
25% of 12 decks +19% synergy
Vampiric Tutor
23% of 30 decks +14% synergy
Dark Ritual
23% of 30 decks +12% synergy
Ephemerate
20% of 30 decks +17% synergy
Village Rites
20% of 30 decks +15% synergy
Anguished Unmaking
20% of 30 decks +14% synergy
Generous Gift
20% of 30 decks +8% synergy
Sejiri Shelter
17% of 30 decks +15% synergy
Plumb the Forbidden
17% of 30 decks +15% synergy
Enlightened Tutor
17% of 30 decks +9% synergy
Teferi's Protection
17% of 30 decks +7% synergy
Kabira Takedown
13% of 30 decks +13% synergy
Call the Coppercoats
13% of 30 decks +12% synergy
Flawless Maneuver
13% of 30 decks +9% synergy
Deadly Rollick
13% of 30 decks +8% synergy
Rally the Ancestors
10% of 30 decks +10% synergy
Mana Tithe
10% of 30 decks +9% synergy
Culling the Weak
10% of 30 decks +8% synergy
Go for the Throat
10% of 30 decks +6% synergy
Deadly Dispute
10% of 30 decks +4% synergy
Sorceries
Demonic Tutor
50% of 30 decks +38% synergy
Damn
37% of 30 decks +33% synergy
Ruinous Ultimatum
33% of 12 decks +31% synergy
Gamble
33% of 12 decks +28% synergy
Victimize
33% of 30 decks +27% synergy
Buried Alive
30% of 30 decks +27% synergy
Sevinne's Reclamation
20% of 30 decks +17% synergy
Diabolic Intent
20% of 30 decks +15% synergy
Final Parting
17% of 30 decks +16% synergy
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13% of 30 decks +11% synergy
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10% of 30 decks +9% synergy
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10% of 30 decks +8% synergy
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10% of 30 decks +8% synergy
Dread Return
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10% of 30 decks +7% synergy
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Temple Garden
83% of 6 decks +74% synergy
Indatha Triome
67% of 6 decks +63% synergy
Sunpetal Grove
67% of 6 decks +62% synergy
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67% of 6 decks +57% synergy
Blood Crypt
58% of 12 decks +49% synergy
Brushland
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Spectator Seating
50% of 12 decks +44% synergy
Woodland Cemetery
50% of 6 decks +44% synergy
Vault of Champions
50% of 30 decks +44% synergy
Luxury Suite
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Sacred Foundry
50% of 12 decks +42% synergy
Godless Shrine
50% of 30 decks +41% synergy
Isolated Chapel
47% of 30 decks +41% synergy
Savai Triome
42% of 12 decks +39% synergy
Sulfurous Springs
42% of 12 decks +37% synergy
Battlefield Forge
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Clifftop Retreat
42% of 12 decks +36% synergy
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40% of 30 decks +34% synergy
Path of Ancestry
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37% of 30 decks +1% synergy
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Dragonskull Summit
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27% of 30 decks +24% synergy
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Sundown Pass
25% of 12 decks +22% synergy
Haunted Ridge
25% of 12 decks +21% synergy
Shineshadow Snarl
23% of 30 decks +21% synergy
Temple of Silence
23% of 30 decks +19% synergy
Secluded Courtyard
23% of 30 decks +19% synergy
Bloodstained Mire
23% of 30 decks +13% synergy
Arid Mesa
23% of 30 decks +13% synergy
Tainted Field
20% of 30 decks +17% synergy
Orzhov Basilica
20% of 30 decks +16% synergy
Ash Barrens
20% of 30 decks +15% synergy
Verdant Catacombs
20% of 30 decks +8% synergy
Concealed Courtyard
17% of 30 decks +15% synergy
Brightclimb Pathway
17% of 30 decks +14% synergy
Scrubland
17% of 30 decks +14% synergy
Mana Confluence
17% of 30 decks +9% synergy
City of Brass
17% of 30 decks +8% synergy
Fabled Passage
17% of 30 decks +7% synergy
Shattered Sanctum
13% of 30 decks +10% synergy
Windswept Heath
13% of 30 decks +3% synergy
Evolving Wilds
13% of 30 decks -8% synergy
Sunlit Marsh
10% of 30 decks +9% synergy
Forbidden Orchard
10% of 30 decks +7% synergy