Cast Through Time + Venser, Shaper Savant + Portal of Sanctuary + Nexus of Fate

Cast Through Time
Venser, Shaper Savant
Portal of Sanctuary
Nexus of Fate

Requires
Cast Through Time must be on the battlefield. Venser, Shaper Savant must be on the battlefield. Portal of Sanctuary must be on the battlefield. Nexus of Fate must be in hand. 8 available each turn.
Steps
  1. Cast Nexus of Fate by paying 5, granting you an extra turn after this one and exiling it due to rebound.
  2. At the beginning of your next upkeep, rebound triggers, causing you to cast the exiled spell without paying its mana cost.
  3. Activate Portal of Sanctuary by tapping it and paying 1, returning Venser to your hand.
  4. Cast Venser by paying 2.
  5. When Venser enters the battlefield, they trigger, returning the extra turn spell to your hand.
  6. Repeat each turn.
Results
Infinite turns.

Hurkyl, Master Wizard
0.38% of 265 decks 1 decks
Jin-Gitaxias
0.03% of 3090 decks 1 decks
Creatures
Aphetto Grifter
50% of 2 decks +50% synergy
Supreme Inquisitor
50% of 2 decks +50% synergy
Disciple of the Ring
50% of 2 decks +49% synergy
Herald of Secret Streams
50% of 2 decks +49% synergy
Precursor Golem
50% of 2 decks +49% synergy
Nimble Obstructionist
50% of 2 decks +49% synergy
Brazen Borrower
50% of 2 decks +49% synergy
Academy Loremaster
50% of 2 decks +49% synergy
Scholar of the Ages
50% of 2 decks +49% synergy
Thing in the Ice
50% of 2 decks +49% synergy
Cyclone Summoner
50% of 2 decks +48% synergy
Micromancer
50% of 2 decks +48% synergy
Sphinx of Foresight
50% of 2 decks +48% synergy
Crashing Drawbridge
50% of 2 decks +47% synergy
Wizards of Thay
50% of 2 decks +47% synergy
Aphetto Alchemist
50% of 2 decks +47% synergy
Torrential Gearhulk
50% of 2 decks +47% synergy
Thassa, Deep-Dwelling
50% of 2 decks +47% synergy
Drafna, Founder of Lat-Nam
50% of 2 decks +46% synergy
Lier, Disciple of the Drowned
50% of 2 decks +46% synergy
Tidespout Tyrant
50% of 2 decks +46% synergy
Jace's Archivist
50% of 2 decks +46% synergy
Azami, Lady of Scrolls
50% of 2 decks +45% synergy
Snapcaster Mage
50% of 2 decks +44% synergy
Jin-Gitaxias, Core Augur
50% of 2 decks +43% synergy
Arcanis the Omnipotent
50% of 2 decks +42% synergy
Nezahal, Primal Tide
50% of 2 decks +39% synergy
Chasm Skulker
50% of 2 decks +39% synergy
Scourge of Fleets
50% of 2 decks +36% synergy
Consecrated Sphinx
50% of 2 decks +35% synergy
Thassa's Oracle
50% of 2 decks +35% synergy
Laboratory Maniac
50% of 2 decks +34% synergy
Archmage Emeritus
50% of 2 decks +27% synergy
Instants
Blue Sun's Zenith
100% of 2 decks +87% synergy
Mystical Tutor
100% of 2 decks +71% synergy
Plagiarize
50% of 2 decks +50% synergy
Wipe Away
50% of 2 decks +49% synergy
Sudden Substitution
50% of 2 decks +49% synergy
Time Stop
50% of 2 decks +49% synergy
Hurkyl's Recall
50% of 2 decks +49% synergy
Insidious Will
50% of 2 decks +48% synergy
Dream Fracture
50% of 2 decks +47% synergy
Paradoxical Outcome
50% of 2 decks +47% synergy
Into the Roil
50% of 2 decks +46% synergy
Leap
50% of 2 decks +45% synergy
Impulse
50% of 2 decks +44% synergy
Ghostly Flicker
50% of 2 decks +40% synergy
Cryptic Command
50% of 2 decks +39% synergy
Dig Through Time
50% of 2 decks +38% synergy
Pact of Negation
50% of 2 decks +38% synergy
Rewind
50% of 2 decks +37% synergy
Fact or Fiction
50% of 2 decks +36% synergy
Archmage's Charm
50% of 2 decks +36% synergy
Flow of Knowledge
50% of 2 decks +31% synergy
Aetherize
50% of 2 decks +28% synergy
Dramatic Reversal
50% of 2 decks +27% synergy
Resculpt
50% of 2 decks +27% synergy
Opt
50% of 2 decks +25% synergy
Swan Song
50% of 2 decks +24% synergy
Reality Shift
50% of 2 decks +20% synergy
An Offer You Can't Refuse
50% of 2 decks +16% synergy
Rapid Hybridization
50% of 2 decks +15% synergy
Negate
50% of 2 decks +10% synergy
Pongify
50% of 2 decks +9% synergy
Brainstorm
50% of 2 decks +6% synergy
High Tide
50% of 2 decks +5% synergy
Counterspell
50% of 2 decks -19% synergy
Sorceries
Beacon of Tomorrows
100% of 2 decks +98% synergy
Ponder
100% of 2 decks +68% synergy
Cosmic Epiphany
50% of 2 decks +49% synergy
Time Reversal
50% of 2 decks +49% synergy
Mitotic Manipulation
50% of 2 decks +49% synergy
Prosperity
50% of 2 decks +49% synergy
Distortion Strike
50% of 2 decks +49% synergy
Strategic Planning
50% of 2 decks +48% synergy
Walk the Aeons
50% of 2 decks +47% synergy
Mnemonic Deluge
50% of 2 decks +47% synergy
Consuming Tide
50% of 2 decks +46% synergy
Flood of Tears
50% of 2 decks +46% synergy
Deep Analysis
50% of 2 decks +44% synergy
Rite of Replication
50% of 2 decks +43% synergy
Merchant Scroll
50% of 2 decks +38% synergy
Treasure Cruise
50% of 2 decks +37% synergy
Curse of the Swine
50% of 2 decks +37% synergy
Sea Gate Restoration
50% of 2 decks +35% synergy
Windfall
50% of 2 decks +25% synergy
Utility Artifacts
Spellbinder
50% of 2 decks +50% synergy
Planar Portal
50% of 2 decks +50% synergy
Veilstone Amulet
50% of 2 decks +50% synergy
Proteus Staff
50% of 2 decks +47% synergy
Vedalken Shackles
50% of 2 decks +47% synergy
Illusionist's Bracers
50% of 2 decks +47% synergy
Elixir of Immortality
50% of 2 decks +46% synergy
Vedalken Orrery
50% of 2 decks +46% synergy
Codex Shredder
50% of 2 decks +44% synergy
Hedron Archive
50% of 2 decks +43% synergy
Isochron Scepter
50% of 2 decks +29% synergy
Sapphire Medallion
50% of 2 decks +3% synergy
Enchantments
Teferi's Ageless Insight
100% of 2 decks +82% synergy
Font of Magic
50% of 2 decks +49% synergy
Confounding Conundrum
50% of 2 decks +48% synergy
Future Sight
50% of 2 decks +48% synergy
Mind Over Matter
50% of 2 decks +47% synergy
Omniscience
50% of 2 decks +42% synergy
Wizard Class
50% of 2 decks +33% synergy
Propaganda
50% of 2 decks +25% synergy
Planeswalkers
Will Kenrith
50% of 2 decks +49% synergy
Utility Lands
Cephalid Coliseum
100% of 2 decks +92% synergy
Lonely Sandbar
100% of 2 decks +84% synergy
Zoetic Cavern
50% of 2 decks +50% synergy
Glacial Chasm
50% of 2 decks +49% synergy
Faerie Conclave
50% of 2 decks +48% synergy
Command Beacon
50% of 2 decks +46% synergy
Tolaria West
50% of 2 decks +43% synergy
Terrain Generator
50% of 2 decks +43% synergy
Temple of the False God
50% of 2 decks +39% synergy
Halimar Depths
50% of 2 decks +39% synergy
Buried Ruin
50% of 2 decks +37% synergy
Seat of the Synod
50% of 2 decks +34% synergy
War Room
50% of 2 decks +33% synergy
Castle Vantress
50% of 2 decks +29% synergy
Mystic Sanctuary
50% of 2 decks -4% synergy
Reliquary Tower
50% of 2 decks -6% synergy
Mana Artifacts
Gilded Lotus
100% of 2 decks +87% synergy
Thought Vessel
100% of 2 decks +49% synergy
Sol Ring
100% of 2 decks +13% synergy
Coveted Jewel
50% of 2 decks +46% synergy
Thran Dynamo
50% of 2 decks +36% synergy
Fellwar Stone
50% of 2 decks +30% synergy
Mind Stone
50% of 2 decks +9% synergy
Arcane Signet
50% of 2 decks -15% synergy
Lands
Mirrex
100% of 1 decks +98% synergy
The Mycosynth Gardens
100% of 1 decks +92% synergy
Command Tower
50% of 2 decks +46% synergy
Demolition Field
50% of 2 decks +44% synergy
Myriad Landscape
50% of 2 decks +22% synergy