Hero of the Dunes + Fiend Hunter + Phyrexian Altar

Hero of the Dunes
Fiend Hunter
Phyrexian Altar

Requires
Hero of the Dunes must be in exile (exiled by Fiend Hunter). Fiend Hunter must be on the battlefield. Phyrexian Altar must be on the battlefield.
Steps
  1. Activate Phyrexian Altar by sacrificing Fiend Hunter, adding one mana of any color.
  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 colored mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Kroxa and Kunoros
0.16% of 1874 decks 3 decks
Bane, Lord of Darkness
0.10% of 2079 decks 2 decks
Silvar, Devourer of the Free // Trynn, Champion of Freedom
0.06% of 3493 decks 2 decks
Karador, Ghost Chieftain
0.04% of 5379 decks 2 decks
High Synergy Cards
Eternal Witness
100% of 5 decks +90% synergy
Saffi Eriksdotter
80% of 5 decks +80% synergy
Ashnod's Altar
75% of 20 decks +67% synergy
Altar of Dementia
65% of 20 decks +62% synergy
Top Cards
Swords to Plowshares
65% of 20 decks +36% synergy
Jirina, Dauntless General
50% of 10 decks +50% synergy
Pitiless Plunderer
50% of 20 decks +46% synergy
Zulaport Cutthroat
50% of 20 decks +45% synergy
Path to Exile
50% of 20 decks +30% synergy
Goblin Bombardment
45% of 11 decks +42% synergy
Boros Charm
45% of 11 decks +40% synergy
Faithless Looting
45% of 11 decks +37% synergy
Angel of Glory's Rise
45% of 20 decks +45% synergy
Damn
45% of 20 decks +41% synergy
Creatures
Old Stickfingers
60% of 5 decks +59% synergy
Avacyn's Pilgrim
60% of 5 decks +57% synergy
Imperial Recruiter
45% of 11 decks +42% synergy
Elas il-Kor, Sadistic Pilgrim
40% of 20 decks +37% synergy
Blood Artist
40% of 20 decks +34% synergy
Judith, the Scourge Diva
36% of 11 decks +36% synergy
Hanweir Garrison
36% of 11 decks +36% synergy
Mayhem Devil
36% of 11 decks +34% synergy
Prowling Geistcatcher
35% of 20 decks +35% synergy
Species Specialist
35% of 20 decks +34% synergy
Karmic Guide
35% of 20 decks +33% synergy
Viscera Seer
35% of 20 decks +30% synergy
Coppercoat Vanguard
30% of 10 decks +29% synergy
Sun Titan
30% of 20 decks +25% synergy
Esper Sentinel
30% of 20 decks +20% synergy
Jirina Kudro
27% of 11 decks +27% synergy
Zealous Conscripts
27% of 11 decks +26% synergy
Cartel Aristocrat
25% of 20 decks +25% synergy
Sister Hospitaller
25% of 20 decks +25% synergy
Reveillark
25% of 20 decks +24% synergy
Teysa Karlov
25% of 20 decks +24% synergy
Recruiter of the Guard
25% of 20 decks +24% synergy
Cruel Celebrant
25% of 20 decks +23% synergy
Carrion Feeder
25% of 20 decks +22% synergy
Syr Konrad, the Grim
25% of 20 decks +20% synergy
Jerren, Corrupted Bishop
20% of 20 decks +20% synergy
Luminous Broodmoth
20% of 20 decks +19% synergy
Stitcher's Supplier
20% of 20 decks +19% synergy
Cathar Commando
20% of 20 decks +18% synergy
General Kudro of Drannith
15% of 20 decks +15% synergy
Xathrid Necromancer
15% of 20 decks +15% synergy
Cemetery Protector
15% of 20 decks +15% synergy
Dawnbringer Cleric
15% of 20 decks +15% synergy
Body Launderer
15% of 20 decks +15% synergy
Abdel Adrian, Gorion's Ward
15% of 20 decks +15% synergy
Bloodsoaked Champion
15% of 20 decks +14% synergy
Priest of Fell Rites
15% of 20 decks +14% synergy
Commissar Severina Raine
15% of 20 decks +14% synergy
Charming Prince
15% of 20 decks +14% synergy
Liesa, Forgotten Archangel
15% of 20 decks +14% synergy
Pawn of Ulamog
15% of 20 decks +14% synergy
Elenda, the Dusk Rose
15% of 20 decks +14% synergy
Corpse Knight
15% of 20 decks +14% synergy
Grim Haruspex
15% of 20 decks +13% synergy
Morbid Opportunist
15% of 20 decks +12% synergy
Solemn Simulacrum
15% of 20 decks +1% synergy
Instants
Entomb
40% of 20 decks +36% synergy
Teferi's Protection
30% of 20 decks +21% synergy
Vampiric Tutor
30% of 20 decks +21% synergy
Abrade
27% of 11 decks +22% synergy
Village Rites
25% of 20 decks +20% synergy
Malakir Rebirth
20% of 20 decks +16% synergy
Deadly Dispute
20% of 20 decks +14% synergy
Faith's Reward
15% of 20 decks +15% synergy
Mana Tithe
15% of 20 decks +14% synergy
Call the Coppercoats
15% of 20 decks +13% synergy
Plumb the Forbidden
15% of 20 decks +13% synergy
Culling the Weak
15% of 20 decks +13% synergy
Flawless Maneuver
15% of 20 decks +11% synergy
Deadly Rollick
15% of 20 decks +10% synergy
Anguished Unmaking
15% of 20 decks +9% synergy
Enlightened Tutor
15% of 20 decks +7% synergy
Dark Ritual
15% of 20 decks +4% synergy
Sorceries
Demonic Tutor
60% of 20 decks +48% synergy
Farseek
60% of 5 decks +44% synergy
Victimize
40% of 20 decks +34% synergy
Ruinous Ultimatum
36% of 11 decks +34% synergy
Buried Alive
35% of 20 decks +32% synergy
Reanimate
35% of 20 decks +27% synergy
Diabolic Intent
30% of 20 decks +25% synergy
Blasphemous Act
27% of 11 decks +11% synergy
Final Parting
25% of 20 decks +24% synergy
Persist
15% of 20 decks +14% synergy
Dread Return
15% of 20 decks +12% synergy
Living Death
15% of 20 decks +12% synergy
Sevinne's Reclamation
15% of 20 decks +12% synergy
Toxic Deluge
15% of 20 decks +6% synergy
Utility Artifacts
Skullclamp
45% of 20 decks +32% synergy
Collector's Vault
38% of 8 decks +36% synergy
Blasting Station
25% of 20 decks +24% synergy
Wishclaw Talisman
25% of 20 decks +22% synergy
Pyre of Heroes
20% of 20 decks +19% synergy
Mesmeric Orb
20% of 20 decks +19% synergy
Nim Deathmantle
15% of 20 decks +14% synergy
Perpetual Timepiece
15% of 20 decks +14% synergy
Swiftfoot Boots
15% of 20 decks -13% synergy
Enchantments
Animate Dead
40% of 20 decks +35% synergy
Smothering Tithe
30% of 20 decks +18% synergy
Impact Tremors
27% of 11 decks +23% synergy
Bastion of Remembrance
25% of 20 decks +22% synergy
Dictate of Erebos
20% of 20 decks +18% synergy
The Meathook Massacre
20% of 20 decks +17% synergy
Dance of the Dead
15% of 20 decks +14% synergy
Gift of Immortality
15% of 20 decks +14% synergy
Black Market Connections
15% of 20 decks +9% synergy
Planeswalkers
Liliana, Dreadhorde General
15% of 20 decks +13% synergy
Utility Lands
Sokenzan, Crucible of Defiance
27% of 11 decks +25% synergy
High Market
25% of 20 decks +22% synergy
Urborg, Tomb of Yawgmoth
25% of 20 decks +15% synergy
Takenuma, Abandoned Mire
20% of 20 decks +14% synergy
Castle Ardenvale
15% of 20 decks +13% synergy
Geier Reach Sanitarium
15% of 20 decks +11% synergy
Eiganjo, Seat of the Empire
15% of 20 decks +11% synergy
Phyrexian Tower
15% of 20 decks +11% synergy
Bojuka Bog
15% of 20 decks -1% synergy
Reliquary Tower
15% of 20 decks -14% synergy
Mana Artifacts
Arcane Signet
95% of 20 decks +23% synergy
Sol Ring
95% of 20 decks +10% synergy
Azorius Signet
75% of 4 decks +69% synergy
Dimir Signet
75% of 4 decks +67% synergy
Orzhov Signet
45% of 20 decks +39% synergy
Boros Signet
36% of 11 decks +31% synergy
Rakdos Signet
36% of 11 decks +30% synergy
Talisman of Hierarchy
25% of 20 decks +19% synergy
Fellwar Stone
25% of 20 decks +4% synergy
Basalt Monolith
15% of 20 decks +12% synergy
Mana Crypt
15% of 20 decks +4% synergy
Lands
Command Tower
80% of 20 decks +6% synergy
Temple Garden
80% of 5 decks +71% synergy
Vault of Champions
70% of 20 decks +64% synergy
Luxury Suite
64% of 11 decks +58% synergy
Blood Crypt
64% of 11 decks +55% synergy
Indatha Triome
60% of 5 decks +57% synergy
Bountiful Promenade
60% of 5 decks +55% synergy
Isolated Chapel
60% of 20 decks +54% synergy
Overgrown Tomb
60% of 5 decks +51% synergy
Godless Shrine
55% of 20 decks +46% synergy
Savai Triome
55% of 11 decks +51% synergy
Battlefield Forge
55% of 11 decks +49% synergy
Spectator Seating
55% of 11 decks +49% synergy
Sacred Foundry
55% of 11 decks +46% synergy
Clifftop Retreat
45% of 11 decks +39% synergy
Marsh Flats
45% of 20 decks +34% synergy
Exotic Orchard
40% of 20 decks +5% synergy
Sundown Pass
36% of 11 decks +33% synergy
Sulfurous Springs
36% of 11 decks +32% synergy
Dragonskull Summit
36% of 11 decks +30% synergy
Caves of Koilos
35% of 20 decks +29% synergy
Path of Ancestry
30% of 20 decks +9% synergy
Needleverge Pathway
27% of 11 decks +25% synergy
Plateau
27% of 11 decks +24% synergy
Badlands
27% of 11 decks +24% synergy
Haunted Ridge
27% of 11 decks +24% synergy
Smoldering Marsh
27% of 11 decks +20% synergy
Scrubland
25% of 20 decks +22% synergy
Bloodstained Mire
25% of 20 decks +15% synergy
Arid Mesa
25% of 20 decks +14% synergy
Fetid Heath
20% of 20 decks +18% synergy
Shineshadow Snarl
20% of 20 decks +17% synergy
Secluded Courtyard
20% of 20 decks +15% synergy
City of Brass
20% of 20 decks +12% synergy
Fabled Passage
20% of 20 decks +11% synergy
Verdant Catacombs
20% of 20 decks +8% synergy
Brightclimb Pathway
15% of 20 decks +13% synergy
Forbidden Orchard
15% of 20 decks +12% synergy
Shattered Sanctum
15% of 20 decks +12% synergy
Temple of Silence
15% of 20 decks +11% synergy
Ash Barrens
15% of 20 decks +10% synergy
Prismatic Vista
15% of 20 decks +9% synergy
Mana Confluence
15% of 20 decks +8% synergy
Windswept Heath
15% of 20 decks +5% synergy
Terramorphic Expanse
15% of 20 decks -1% synergy
Evolving Wilds
15% of 20 decks -6% synergy