Sidisi, Undead Vizier + Helm of the Host + Nexus of Fate
Sidisi, Undead Vizier
Helm of the Host
Nexus of Fate
Requires
Sidisi, Undead Vizier must be on the battlefield.
Helm of the Host must be on the battlefield.
Nexus of Fate must be in the library.
Helm of the Host attached to Sidisi.
Mana needed: 
each turn
each turn
Steps
- At the beginning of combat on your turn, Helm of the Host triggers, creating a non-legendary copy of Sidisi with haste.
- The non-legendary Sidisi enters the battlefield, triggering its exploit ability, sacrificing itself.
- Sidisi's second ability triggers, allowing you to search your library for Nexus of Fate, put it into your hand, and shuffle your library.
- Cast Nexus of Fate by paying , causing you to take an extra turn after this one and shuffle it into your library.
- Repeat.
Results
Infinite turns.
Rona, Herald of Invasion
0.08% of 2387 decks
2 decks
The Scarab God
0.01% of 10483 decks
1 decks
New Cards
Unstoppable Slasher
100% of 1 decks
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Creatures
Rictus Robber
100% of 1 decks
+100% synergy
Grim Servant
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+97% synergy
Hullbreaker Horror
67% of 3 decks
+51% synergy
Fledgling Mawcor
33% of 3 decks
+33% synergy
Jalira, Master Polymorphist
33% of 3 decks
+33% synergy
Capricious Sorcerer
33% of 3 decks
+33% synergy
Traxos, Scourge of Kroog
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+33% synergy
Rona, Disciple of Gix
33% of 3 decks
+33% synergy
Shipwreck Dowser
33% of 3 decks
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Suq'Ata Firewalker
33% of 3 decks
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Zuran Spellcaster
33% of 3 decks
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Graf Reaver
33% of 3 decks
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Rootwater Hunter
33% of 3 decks
+33% synergy
Possessed Skaab
33% of 3 decks
+33% synergy
Body of Knowledge
33% of 3 decks
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Divining Witch
33% of 3 decks
+33% synergy
Thornwind Faeries
33% of 3 decks
+33% synergy
Cuombajj Witches
33% of 3 decks
+33% synergy
Prodigal Sorcerer
33% of 3 decks
+33% synergy
Kalitas, Traitor of Ghet
33% of 3 decks
+33% synergy
Endbringer
33% of 3 decks
+33% synergy
Archfiend of Depravity
33% of 3 decks
+33% synergy
Kozilek, the Great Distortion
33% of 3 decks
+33% synergy
Narfi, Betrayer King
33% of 3 decks
+33% synergy
Sai, Master Thopterist
33% of 3 decks
+32% synergy
Razaketh, the Foulblooded
33% of 3 decks
+32% synergy
Jace, Vryn's Prodigy
33% of 3 decks
+32% synergy
Tomebound Lich
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+32% synergy
Metallic Mimic
33% of 3 decks
+32% synergy
Dragonlord Silumgar
33% of 3 decks
+32% synergy
Unctus, Grand Metatect
33% of 3 decks
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Stitcher Geralf
33% of 3 decks
+32% synergy
Junji, the Midnight Sky
33% of 3 decks
+32% synergy
Jadar, Ghoulcaller of Nephalia
33% of 3 decks
+31% synergy
Hidetsugu and Kairi
33% of 3 decks
+31% synergy
Emry, Lurker of the Loch
33% of 3 decks
+31% synergy
Hope of Ghirapur
33% of 3 decks
+31% synergy
Tainted Adversary
33% of 3 decks
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Baral, Chief of Compliance
33% of 3 decks
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Lazav, the Multifarious
33% of 3 decks
+31% synergy
Massacre Girl
33% of 3 decks
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Sphinx of the Second Sun
33% of 3 decks
+31% synergy
Varragoth, Bloodsky Sire
33% of 3 decks
+31% synergy
The Reality Chip
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Braids, Arisen Nightmare
33% of 3 decks
+30% synergy
Ertai Resurrected
33% of 3 decks
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Jin-Gitaxias, Progress Tyrant
33% of 3 decks
+30% synergy
Zareth San, the Trickster
33% of 3 decks
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Archaeomancer
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Undead Alchemist
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Instants
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+63% synergy
Cyclonic Rift
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+38% synergy
Aether Gust
33% of 3 decks
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Syncopate
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Retraction Helix
33% of 3 decks
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Power Word Kill
33% of 3 decks
+32% synergy
Culling the Weak
33% of 3 decks
+31% synergy
Disdainful Stroke
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+31% synergy
Wash Away
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Pile On
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+29% synergy
Dramatic Reversal
33% of 3 decks
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Sheoldred's Edict
33% of 3 decks
+28% synergy
Lazotep Plating
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Spell Pierce
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Rapid Hybridization
33% of 3 decks
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Go for the Throat
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Mystical Tutor
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Frantic Search
33% of 3 decks
+16% synergy
Swan Song
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An Offer You Can't Refuse
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Dark Ritual
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Sorceries
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67% of 3 decks
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Overflowing Insight
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Enchantments
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Battles
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Invasion of Segovia
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+33% synergy
Teferi, Master of Time
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Utility Lands
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+12% synergy
Mana Artifacts
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+15% synergy
Relic of Legends
67% of 3 decks
+65% synergy
Mox Amber
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+61% synergy
Sol Ring
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Astral Cornucopia
33% of 3 decks
+33% synergy
Gilded Lotus
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Thought Vessel
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Lands
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Sunken Hollow
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Command Tower
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Plaza of Heroes
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Ice Tunnel
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Jwar Isle Refuge
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Fabled Passage
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Darkslick Shores
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Fetid Pools
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Dismal Backwater
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Polluted Delta
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+5% synergy
Shipwreck Marsh
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Darkwater Catacombs
33% of 3 decks
-7% synergy
Dimir Aqueduct
33% of 3 decks
-9% synergy
Watery Grave
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-12% synergy
Drowned Catacomb
33% of 3 decks
-15% synergy