Yarus, Roar of the Old Gods + Master of the Veil + Ashnod's Altar

Yarus, Roar of the Old Gods
Master of the Veil
Ashnod's Altar

Requires
Yarus, Roar of the Old Gods must be on the battlefield. Master of the Veil must be on the battlefield (face down). Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Master of the Veil, adding .
  2. When Master of the Veil dies, Yarus' second ability triggers, returning Master of the Veil from your graveyard to the battlefield face down, then turning it face up.
  3. Master of the Veil triggers, turning itself face down.
  4. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

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Creatures
Kadena, Slinking Sorcerer
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Ashcloud Phoenix
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60% of 5 decks +33% synergy
Skinthinner
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50% of 2 decks +49% synergy
Grim Haruspex
50% of 2 decks +46% synergy
Chulane, Teller of Tales
50% of 2 decks +45% synergy
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Ignoble Hierarch
50% of 2 decks +24% synergy
Weaver of Lies
40% of 5 decks +40% synergy
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40% of 5 decks +40% synergy
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40% of 5 decks +40% synergy
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40% of 5 decks +40% synergy
Ixidor, Reality Sculptor
40% of 5 decks +40% synergy
Exit Specialist
40% of 5 decks +40% synergy
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40% of 5 decks +40% synergy
Temur War Shaman
40% of 5 decks +40% synergy
Kheru Spellsnatcher
40% of 5 decks +40% synergy
Deathmist Raptor
40% of 5 decks +39% synergy
Whisperwood Elemental
40% of 5 decks +39% synergy
Icefeather Aven
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Vizier of the Menagerie
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Vannifar, Evolved Enigma
40% of 5 decks +39% synergy
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40% of 5 decks +37% synergy
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40% of 5 decks +36% synergy
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40% of 5 decks +35% synergy
Instants
Cyber Conversion
40% of 5 decks +39% synergy
Swan Song
40% of 5 decks +24% synergy
An Offer You Can't Refuse
40% of 5 decks +19% synergy
Heroic Intervention
40% of 5 decks +10% synergy
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40% of 5 decks +1% synergy
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20% of 5 decks +20% synergy
Essence Flux
20% of 5 decks +18% synergy
Slip Out the Back
20% of 5 decks +17% synergy
Mindbreak Trap
20% of 5 decks +16% synergy
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20% of 5 decks +16% synergy
Chord of Calling
20% of 5 decks +14% synergy
Mental Misstep
20% of 5 decks +14% synergy
Veil of Summer
20% of 5 decks +14% synergy
Tamiyo's Safekeeping
20% of 5 decks +13% synergy
Flusterstorm
20% of 5 decks +13% synergy
Pact of Negation
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Reality Shift
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Force of Negation
20% of 5 decks +11% synergy
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20% of 5 decks +9% synergy
Return of the Wildspeaker
20% of 5 decks +7% synergy
Worldly Tutor
20% of 5 decks +6% synergy
Mana Drain
20% of 5 decks +5% synergy
Deflecting Swat
20% of 5 decks +4% synergy
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20% of 5 decks +2% synergy
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20% of 5 decks -8% synergy
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Counterspell
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100% of 1 decks +98% synergy
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80% of 5 decks +55% synergy
Farseek
60% of 5 decks +26% synergy
Hide in Plain Sight
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20% of 5 decks +20% synergy
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60% of 5 decks +53% synergy
City of Brass
60% of 5 decks +52% synergy
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Training Center
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Morphic Pool
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50% of 2 decks +14% synergy
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50% of 2 decks +11% synergy
Temple Garden
50% of 2 decks +10% synergy
Godless Shrine
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Hallowed Fountain
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Watery Grave
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Overgrown Tomb
50% of 2 decks +8% synergy
Bloodstained Mire
40% of 5 decks +30% synergy
Windswept Heath
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40% of 5 decks +29% synergy
Polluted Delta
40% of 5 decks +29% synergy
Exotic Orchard
40% of 5 decks +4% synergy
Grove of the Burnwillows
20% of 5 decks +18% synergy
Forbidden Orchard
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Fire-Lit Thicket
20% of 5 decks +15% synergy
Copperline Gorge
20% of 5 decks +15% synergy
Gemstone Caverns
20% of 5 decks +15% synergy
Fiery Islet
20% of 5 decks +13% synergy
Sheltered Thicket
20% of 5 decks +13% synergy