Halo Fountain + Vizier of Tumbling Sands + Phyrexian Altar

Halo Fountain
Vizier of Tumbling Sands
Phyrexian Altar

Requires
Halo Fountain must be on the battlefield. Vizier of Tumbling Sands must be on the battlefield. Phyrexian Altar must be on the battlefield. Vizier of Tumbling Sands does not have summoning sickness. Mana needed: w
Steps
  1. Activate Vizier of Tumbling Sands by tapping it, targeting Halo Fountain.
  2. Holding priority, activate Halo Fountain's first ability by paying w, tapping it and untapping Vizier of Tumbling Sands, creating a 1/1 Citizen creature token.
  3. Resolve the Vizier of Tumbling Sands ability, untapping Halo Fountain.
  4. Activate Phyrexian Altar by sacrificing the Citizen token, adding w.
  5. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Top Commanders (3)
Ertai, the Corrupted
0.43% of 699 decks 3 decks
Merieke Ri Berit
0.43% of 1639 decks 7 decks
Shorikai, Genesis Engine
0.02% of 16718 decks 3 decks
High Synergy Cards (10)
Ioreth of the Healing House
67% of 6 decks +66% synergy
Aphetto Alchemist
61% of 18 decks +61% synergy
Freed from the Real
61% of 18 decks +60% synergy
Fatestitcher
56% of 18 decks +55% synergy
Kelpie Guide
56% of 18 decks +55% synergy
Pemmin's Aura
39% of 18 decks +38% synergy
Void Rend
40% of 10 decks +38% synergy
Drumbellower
39% of 18 decks +38% synergy
Despark
40% of 10 decks +36% synergy
Diabolic Intent
40% of 10 decks +35% synergy
Top Cards (10)
Thousand-Year Elixir
67% of 18 decks +64% synergy
Skullclamp
56% of 18 decks +43% synergy
Swords to Plowshares
50% of 18 decks +22% synergy
Patriar's Seal
50% of 16 decks +48% synergy
Counterspell
44% of 18 decks +23% synergy
Lightning Greaves
44% of 18 decks +19% synergy
Smothering Tithe
39% of 18 decks +27% synergy
Swiftfoot Boots
39% of 18 decks +11% synergy
Ashnod's Altar
39% of 18 decks +31% synergy
Anointed Procession
33% of 18 decks +29% synergy
Creatures (19)
Mondrak, Glory Dominus
33% of 12 decks +29% synergy
Blood Artist
30% of 10 decks +24% synergy
Mother of Runes
28% of 18 decks +24% synergy
Adarkar Valkyrie
22% of 18 decks +22% synergy
The Reality Chip
22% of 18 decks +20% synergy
Ornithopter of Paradise
22% of 18 decks +18% synergy
Esper Sentinel
22% of 18 decks +12% synergy
Solemn Simulacrum
22% of 18 decks +8% synergy
Puppeteer
17% of 18 decks +17% synergy
Tideforce Elemental
17% of 18 decks +17% synergy
Aura Thief
17% of 18 decks +17% synergy
Vedalken Engineer
17% of 18 decks +16% synergy
Bennie Bracks, Zoologist
17% of 18 decks +16% synergy
Giver of Runes
17% of 18 decks +15% synergy
Silver Myr
17% of 18 decks +15% synergy
Baral, Chief of Compliance
17% of 18 decks +15% synergy
Thassa, Deep-Dwelling
17% of 18 decks +15% synergy
Selfless Spirit
17% of 18 decks +15% synergy
Emry, Lurker of the Loch
17% of 18 decks +15% synergy
Instants (14)
Path to Exile
33% of 18 decks +14% synergy
Vampiric Tutor
30% of 10 decks +20% synergy
Dramatic Reversal
28% of 18 decks +25% synergy
Dovin's Veto
28% of 18 decks +23% synergy
Mana Drain
28% of 18 decks +20% synergy
An Offer You Can't Refuse
28% of 18 decks +18% synergy
Cyclonic Rift
28% of 18 decks +13% synergy
Swan Song
22% of 18 decks +14% synergy
Fierce Guardianship
22% of 18 decks +14% synergy
Generous Gift
22% of 18 decks +10% synergy
Energy Arc
17% of 18 decks +17% synergy
Cloudshift
17% of 18 decks +15% synergy
Flawless Maneuver
17% of 18 decks +12% synergy
Arcane Denial
17% of 18 decks +7% synergy
Sorceries (6)
Demonic Tutor
40% of 10 decks +28% synergy
Sevinne's Reclamation
28% of 18 decks +25% synergy
Fabricate
17% of 18 decks +14% synergy
Supreme Verdict
17% of 18 decks +13% synergy
Wrath of God
17% of 18 decks +13% synergy
Austere Command
17% of 18 decks +11% synergy
Utility Artifacts (10)
Thornbite Staff
33% of 18 decks +32% synergy
Magewright's Stone
28% of 18 decks +27% synergy
Illusionist's Bracers
28% of 18 decks +26% synergy
The Golden Throne
25% of 12 decks +24% synergy
Unbender Tine
22% of 18 decks +22% synergy
Staff of Domination
22% of 18 decks +20% synergy
Isochron Scepter
22% of 18 decks +19% synergy
Shorikai, Genesis Engine
17% of 18 decks +16% synergy
Conjurer's Closet
17% of 18 decks +14% synergy
Unwinding Clock
17% of 18 decks +14% synergy
Enchantments (7)
Mystic Remora
33% of 18 decks +24% synergy
Aura of Dominion
28% of 18 decks +28% synergy
Intruder Alarm
28% of 18 decks +27% synergy
Rhystic Study
28% of 18 decks +14% synergy
Skrelv's Hive
25% of 12 decks +23% synergy
Retreat to Coralhelm
22% of 18 decks +21% synergy
Teferi's Ageless Insight
17% of 18 decks +14% synergy
Planeswalkers (1)
Teferi, Who Slows the Sunset
22% of 18 decks +22% synergy
Utility Lands (9)
Minamo, School at Water's Edge
44% of 18 decks +43% synergy
Phyrexian Tower
30% of 10 decks +26% synergy
High Market
28% of 18 decks +24% synergy
Reliquary Tower
28% of 18 decks -1% synergy
Lotus Field
22% of 18 decks +21% synergy
Hall of Heliod's Generosity
22% of 18 decks +19% synergy
Academy Ruins
17% of 18 decks +14% synergy
Urza's Saga
17% of 18 decks +9% synergy
Ancient Tomb
17% of 18 decks +6% synergy
Mana Artifacts (12)
Arcane Signet
94% of 18 decks +24% synergy
Sol Ring
83% of 18 decks -1% synergy
Dimir Signet
60% of 10 decks +52% synergy
Azorius Signet
50% of 18 decks +44% synergy
Orzhov Signet
50% of 10 decks +43% synergy
Fellwar Stone
33% of 18 decks +12% synergy
Wand of the Worldsoul
33% of 9 decks +33% synergy
Thought Vessel
28% of 18 decks +12% synergy
Decanter of Endless Water
19% of 16 decks +13% synergy
Talisman of Progress
17% of 18 decks +12% synergy
Chromatic Lantern
17% of 18 decks +7% synergy
Mana Crypt
17% of 18 decks +5% synergy
Lands (29)
Command Tower
78% of 18 decks +5% synergy
Raugrin Triome
75% of 4 decks +72% synergy
Shivan Reef
75% of 4 decks +69% synergy
Raffine's Tower
70% of 10 decks +66% synergy
Sea of Clouds
67% of 18 decks +61% synergy
Exotic Orchard
61% of 18 decks +27% synergy
Vault of Champions
60% of 10 decks +54% synergy
Godless Shrine
60% of 10 decks +50% synergy
Hallowed Fountain
56% of 18 decks +46% synergy
Arcane Sanctum
50% of 10 decks +46% synergy
Shipwreck Marsh
50% of 10 decks +45% synergy
Morphic Pool
50% of 10 decks +43% synergy
Watery Grave
50% of 10 decks +39% synergy
Flooded Strand
39% of 18 decks +29% synergy
Drowned Catacomb
30% of 10 decks +24% synergy
Caves of Koilos
30% of 10 decks +24% synergy
Glacial Fortress
28% of 18 decks +23% synergy
Polluted Delta
28% of 18 decks +17% synergy
Nimbus Maze
22% of 18 decks +21% synergy
Adarkar Wastes
22% of 18 decks +19% synergy
Port Town
22% of 18 decks +19% synergy
Deserted Beach
22% of 18 decks +19% synergy
Marsh Flats
22% of 18 decks +10% synergy
Mystic Gate
17% of 18 decks +16% synergy
Azorius Chancery
17% of 18 decks +13% synergy
Prairie Stream
17% of 18 decks +9% synergy
Mana Confluence
17% of 18 decks +9% synergy
City of Brass
17% of 18 decks +8% synergy
Scalding Tarn
17% of 18 decks +5% synergy