Guile + Temporal Extortion + Professor Onyx

Guile
Temporal Extortion
Professor Onyx

Requires
Guile must be on the battlefield. Temporal Extortion must be in hand. Professor Onyx must be on the battlefield. Your life total is at least 2. Mana needed:
Steps
  1. Cast Temporal Extortion by paying .
  2. Temporal Extortion and Professor Onyx trigger.
  3. Resolve the Temporal Extortion trigger, causing you to pay half your life total, rounded up, and then exile Temporal Extortion and cast it without paying its mana cost due to Guile.
  4. Repeat from step 2 until your life total is four or less.
  5. Temporal Extortion and Professor Onyx trigger.
  6. Resolve the Professor Onyx trigger, causing you to gain two life and each opponent to lose 2 life.
  7. Resolve the Temporal Extortion trigger, causing you to pay half your life total, rounded up, and then exile Temporal Extortion and cast it without paying its mana cost due to Guile.
  8. Repeat from step 5.
Results
Infinite lifegain triggers. Infinite lifeloss. Infinite magecraft triggers. Infinite storm count.

Talion, the Kindly Lord
0.03% of 6478 decks 2 decks
Kydele, Chosen of Kruphix // Vial Smasher the Fierce
0.14% of 726 decks 1 decks
Nekusar, the Mindrazer
0.01% of 18156 decks 1 decks
High Synergy Cards
Chain of Smog
100% of 4 decks +99% synergy
Dark Ritual
100% of 4 decks +78% synergy
Creatures
Jadzi, Oracle of Arcavios
100% of 1 decks +99% synergy
Frilled Mystic
100% of 1 decks +99% synergy
Mystic Snake
100% of 1 decks +98% synergy
Witherbloom Apprentice
100% of 1 decks +98% synergy
Timeless Witness
100% of 1 decks +97% synergy
Oracle of Mul Daya
100% of 1 decks +94% synergy
Eternal Witness
100% of 1 decks +79% synergy
Sedgemoor Witch
75% of 4 decks +74% synergy
Ethereal Usher
50% of 4 decks +50% synergy
Netherborn Phalanx
50% of 4 decks +50% synergy
Arjun, the Shifting Flame
50% of 2 decks +50% synergy
Neera, Wild Mage
50% of 2 decks +49% synergy
Sword Coast Serpent
50% of 4 decks +49% synergy
Deekah, Fractal Theorist
50% of 4 decks +49% synergy
Drift of Phantasms
50% of 4 decks +49% synergy
Whirlpool Warrior
50% of 2 decks +49% synergy
Brazen Borrower
50% of 4 decks +49% synergy
Venser, Shaper Savant
50% of 4 decks +48% synergy
Jin-Gitaxias, Progress Tyrant
50% of 4 decks +47% synergy
Spellseeker
50% of 4 decks +46% synergy
Magus of the Wheel
50% of 2 decks +46% synergy
Harmonic Prodigy
50% of 2 decks +46% synergy
Hullbreaker Horror
50% of 4 decks +43% synergy
Archmage Emeritus
50% of 4 decks +42% synergy
Sister of Silence
25% of 4 decks +25% synergy
Wizards of Thay
25% of 4 decks +23% synergy
Jace's Archivist
25% of 4 decks +23% synergy
Tergrid, God of Fright
25% of 4 decks +23% synergy
Massacre Girl
25% of 4 decks +23% synergy
Archaeomancer
25% of 4 decks +21% synergy
Displacer Kitten
25% of 4 decks +19% synergy
Sheoldred, the Apocalypse
25% of 4 decks +19% synergy
Notion Thief
25% of 4 decks +18% synergy
Instants
Joint Exploration
100% of 1 decks +97% synergy
Krosan Grip
100% of 1 decks +92% synergy
Terminate
100% of 2 decks +79% synergy
Growth Spiral
100% of 1 decks +78% synergy
Beast Within
100% of 1 decks +61% synergy
Mystical Tutor
75% of 4 decks +60% synergy
Vampiric Tutor
75% of 4 decks +57% synergy
Perilous Voyage
50% of 4 decks +50% synergy
Banishing Knack
50% of 4 decks +50% synergy
Rona's Vortex
50% of 4 decks +50% synergy
Boing!
50% of 4 decks +50% synergy
Dash Hopes
50% of 4 decks +50% synergy
Recoil
50% of 4 decks +50% synergy
Retraction Helix
50% of 4 decks +50% synergy
Clutch of the Undercity
50% of 4 decks +50% synergy
Boomerang
50% of 4 decks +50% synergy
Dual Strike
50% of 2 decks +50% synergy
Fork
50% of 2 decks +50% synergy
Blink of an Eye
50% of 4 decks +49% synergy
Rain of Filth
50% of 4 decks +49% synergy
Into the Roil
50% of 4 decks +49% synergy
Perplex
50% of 4 decks +49% synergy
Increasing Vengeance
50% of 2 decks +49% synergy
Expansion // Explosion
50% of 2 decks +47% synergy
Brain Freeze
50% of 4 decks +47% synergy
Muddle the Mixture
50% of 4 decks +45% synergy
Valakut Awakening
50% of 2 decks +44% synergy
Snap
50% of 4 decks +43% synergy
Flusterstorm
50% of 4 decks +43% synergy
Deadly Rollick
50% of 4 decks +39% synergy
Rakdos Charm
50% of 2 decks +36% synergy
Mana Drain
50% of 4 decks +35% synergy
Fierce Guardianship
50% of 4 decks +32% synergy
Cyclonic Rift
50% of 4 decks +22% synergy
Chaos Warp
50% of 2 decks +18% synergy
Counterspell
50% of 4 decks +7% synergy
Whim of Volrath
25% of 4 decks +25% synergy
Even the Score
25% of 4 decks +25% synergy
Twincast
25% of 4 decks +24% synergy
Wheel and Deal
25% of 4 decks +24% synergy
Clockspinning
25% of 4 decks +24% synergy
Dream Fracture
25% of 4 decks +24% synergy
Price of Fame
25% of 4 decks +24% synergy
Stroke of Genius
25% of 4 decks +24% synergy
Disallow
25% of 4 decks +23% synergy
Ad Nauseam
25% of 4 decks +22% synergy
Demonic Consultation
25% of 4 decks +21% synergy
Lim-Dûl's Vault
25% of 4 decks +21% synergy
Tainted Pact
25% of 4 decks +21% synergy
Cabal Ritual
25% of 4 decks +20% synergy
Sorceries
Chain of Acid
100% of 1 decks +100% synergy
Mists of Lórien
100% of 1 decks +99% synergy
Villainous Wealth
100% of 1 decks +92% synergy
Bala Ged Recovery
100% of 1 decks +91% synergy
Kodama's Reach
100% of 1 decks +68% synergy
Nature's Lore
100% of 1 decks +68% synergy
Farseek
100% of 1 decks +66% synergy
Cultivate
100% of 1 decks +54% synergy
Demonic Tutor
75% of 4 decks +53% synergy
Ringsight
67% of 3 decks +62% synergy
Eye of Nowhere
50% of 4 decks +50% synergy
Drain Power
50% of 4 decks +50% synergy
Gust of Wind
50% of 4 decks +50% synergy
Void Snare
50% of 4 decks +50% synergy
Tendrils of Agony
50% of 4 decks +49% synergy
Molten Psyche
50% of 2 decks +49% synergy
Rise of the Eldrazi
50% of 2 decks +49% synergy
Winds of Change
50% of 2 decks +49% synergy
Wheel of Fate
50% of 2 decks +49% synergy
Reforge the Soul
50% of 2 decks +48% synergy
Solve the Equation
50% of 4 decks +45% synergy
Blasphemous Act
50% of 2 decks +16% synergy
Eldritch Pact
25% of 4 decks +25% synergy
Mystic Speculation
25% of 4 decks +25% synergy
Minds Aglow
25% of 4 decks +24% synergy
Dark Deal
25% of 4 decks +23% synergy
Whispering Madness
25% of 4 decks +22% synergy
Peer into the Abyss
25% of 4 decks +22% synergy
Grim Tutor
25% of 4 decks +20% synergy
Exsanguinate
25% of 4 decks +19% synergy
Windfall
25% of 4 decks +12% synergy
Utility Artifacts
Aetherflux Reservoir
50% of 4 decks +46% synergy
Void Mirror
25% of 4 decks +25% synergy
Library of Leng
25% of 4 decks +24% synergy
Horn of Greed
25% of 4 decks +24% synergy
Font of Mythos
25% of 4 decks +24% synergy
Temple Bell
25% of 4 decks +24% synergy
Venser's Journal
25% of 4 decks +24% synergy
Mesmeric Orb
25% of 4 decks +24% synergy
Mindcrank
25% of 4 decks +23% synergy
Howling Mine
25% of 4 decks +23% synergy
Thousand-Year Elixir
25% of 4 decks +23% synergy
Enchantments
There and Back Again
100% of 1 decks +98% synergy
Propaganda
75% of 4 decks +63% synergy
Cephalid Shrine
50% of 4 decks +50% synergy
In the Eye of Chaos
50% of 4 decks +50% synergy
Nether Void
50% of 4 decks +50% synergy
Seal of Removal
50% of 4 decks +49% synergy
Phyrexian Tyranny
50% of 2 decks +48% synergy
Fevered Visions
50% of 2 decks +48% synergy
Waste Not
50% of 4 decks +48% synergy
Mystic Remora
50% of 4 decks +32% synergy
Rhystic Study
50% of 4 decks +22% synergy
Curse of Fool's Wisdom
25% of 4 decks +24% synergy
Forced Fruition
25% of 4 decks +24% synergy
Megrim
25% of 4 decks +24% synergy
Dictate of Kruphix
25% of 4 decks +23% synergy
Underworld Dreams
25% of 4 decks +23% synergy
Bloodchief Ascension
25% of 4 decks +22% synergy
Curiosity
25% of 4 decks +21% synergy
Teferi's Ageless Insight
25% of 4 decks +20% synergy
Necropotence
25% of 4 decks +20% synergy
Planeswalkers
Tyvar, Jubilant Brawler
100% of 1 decks +95% synergy
Ral, Storm Conduit
50% of 2 decks +46% synergy
Ob Nixilis, the Hate-Twisted
25% of 4 decks +24% synergy
Teferi, Temporal Pilgrim
25% of 4 decks +23% synergy
Jace, Wielder of Mysteries
25% of 4 decks +21% synergy
Utility Lands
Alchemist's Refuge
100% of 1 decks +93% synergy
Urborg, Tomb of Yawgmoth
75% of 4 decks +65% synergy
Glacial Chasm
50% of 4 decks +49% synergy
Otawara, Soaring City
50% of 4 decks +33% synergy
Cascading Cataracts
25% of 4 decks +24% synergy
Mikokoro, Center of the Sea
25% of 4 decks +23% synergy
Cabal Coffers
25% of 4 decks +14% synergy
Mystic Sanctuary
25% of 4 decks +13% synergy
Reliquary Tower
25% of 4 decks -4% synergy
Mana Artifacts
Sol Ring
100% of 4 decks +16% synergy
Jeweled Lotus
75% of 4 decks +69% synergy
Lotus Petal
50% of 4 decks +43% synergy
Mana Crypt
50% of 4 decks +41% synergy
Thought Vessel
50% of 4 decks +33% synergy
Dimir Signet
50% of 4 decks +20% synergy
Talisman of Dominance
50% of 4 decks +19% synergy
Arcane Signet
50% of 4 decks -22% synergy
Coveted Jewel
25% of 4 decks +24% synergy
Basalt Monolith
25% of 4 decks +22% synergy
Gilded Lotus
25% of 4 decks +22% synergy
Chromatic Lantern
25% of 4 decks +15% synergy
Lands
Tanglepool Bridge
100% of 1 decks +97% synergy
Darkmoss Bridge
100% of 1 decks +97% synergy
Savage Lands
100% of 1 decks +77% synergy
Llanowar Wastes
100% of 1 decks +74% synergy
Yavimaya Coast
100% of 1 decks +74% synergy
Opulent Palace
100% of 1 decks +73% synergy
Hinterland Harbor
100% of 1 decks +73% synergy
Frontier Bivouac
100% of 1 decks +73% synergy
Rejuvenating Springs
100% of 1 decks +71% synergy
Zagoth Triome
100% of 1 decks +69% synergy
Ziatora's Proving Ground
100% of 1 decks +68% synergy
Ketria Triome
100% of 1 decks +67% synergy
Cinder Glade
100% of 1 decks +62% synergy
Shipwreck Marsh
75% of 4 decks +56% synergy
Watery Grave
75% of 4 decks +34% synergy
River of Tears
50% of 4 decks +47% synergy
Tainted Isle
50% of 4 decks +39% synergy
Darkwater Catacombs
50% of 4 decks +35% synergy
Haunted Ridge
50% of 2 decks +34% synergy
Stormcarved Coast
50% of 2 decks +33% synergy
Underground River
50% of 4 decks +31% synergy
Morphic Pool
50% of 4 decks +24% synergy
Shivan Reef
50% of 2 decks +23% synergy
Crumbling Necropolis
50% of 2 decks +19% synergy
Blood Crypt
50% of 2 decks +11% synergy
Steam Vents
50% of 2 decks +11% synergy
Ash Barrens
25% of 4 decks +20% synergy
Mistvault Bridge
25% of 4 decks +20% synergy
Terramorphic Expanse
25% of 4 decks +9% synergy
Evolving Wilds
25% of 4 decks +4% synergy
Sunken Hollow
25% of 4 decks -10% synergy
Exotic Orchard
25% of 4 decks -11% synergy
Command Tower
25% of 4 decks -49% synergy