Magistrate's Scepter + Coretapper + Splinter Twin

Magistrate's Scepter
Coretapper
Splinter Twin

Requires
Magistrate's Scepter must be on the battlefield. Coretapper must be on the battlefield. Splinter Twin must be on the battlefield.
Steps
  1. Activate Coretapper by tapping it, creating a token copy of it with haste.
  2. Activate the token Coretapper's first ability by tapping it, putting a charge counter on Magistrate's Scepter.
  3. Activate the token Coretapper's second ability by sacrificing it, putting two charge counters on Magistrate's Scepter.
  4. Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, causing you to take an extra turn after this one.
  5. Repeat each turn.
Results
Infinite turns.

The Jolly Balloon Man
0.11% of 6271 decks 7 decks
Urtet, Remnant of Memnarch
0.01% of 13912 decks 2 decks
Chainer, Nightmare Adept
0.03% of 3219 decks 1 decks
Adun Oakenshield
0.36% of 278 decks 1 decks
Magda, Brazen Outlaw
0.01% of 12890 decks 1 decks
Ragavan, Nimble Pilferer
0.03% of 2988 decks 1 decks
Obeka, Brute Chronologist
0.01% of 7696 decks 1 decks
Reaper King
0.02% of 5892 decks 1 decks
Rocco, Cabaretti Caterer
0.02% of 6476 decks 1 decks
Deadpool, Trading Card
0.02% of 5653 decks 1 decks
Daretti, Scrap Savant
0.03% of 2903 decks 1 decks
High Synergy Cards
Gold Myr
82% of 11 decks +79% synergy
Village Bell-Ringer
73% of 11 decks +72% synergy
Kiki-Jiki, Mirror Breaker
67% of 18 decks +63% synergy
Felidar Guardian
55% of 11 decks +52% synergy
Zealous Conscripts
50% of 18 decks +48% synergy
Restoration Angel
45% of 11 decks +43% synergy
Iron Myr
44% of 18 decks +42% synergy
Teferi's Protection
55% of 11 decks +35% synergy
Angel's Grace
36% of 11 decks +35% synergy
Molten Duplication
36% of 14 decks +34% synergy
Top Cards
Swords to Plowshares
73% of 11 decks +10% synergy
Path to Exile
64% of 11 decks +17% synergy
Chaos Warp
39% of 18 decks +8% synergy
Recruiter of the Guard
36% of 11 decks +33% synergy
Karmic Guide
36% of 11 decks +32% synergy
Generous Gift
36% of 11 decks +12% synergy
Clock of Omens
33% of 18 decks +32% synergy
Imperial Recruiter
33% of 18 decks +28% synergy
Goblin Bombardment
33% of 18 decks +27% synergy
Ashnod's Altar
33% of 18 decks +26% synergy
Game Changers
Enlightened Tutor
45% of 11 decks +28% synergy
Smothering Tithe
45% of 11 decks +22% synergy
Jeska's Will
22% of 18 decks +6% synergy
Mana Vault
17% of 18 decks +10% synergy
Creatures
Silver Myr
75% of 4 decks +72% synergy
Leaden Myr
43% of 7 decks +41% synergy
Ertha Jo, Frontier Mentor
33% of 9 decks +32% synergy
Solemn Simulacrum
33% of 18 decks +20% synergy
Boromir, Warden of the Tower
30% of 10 decks +25% synergy
Agate Instigator
29% of 14 decks +25% synergy
Combat Celebrant
28% of 18 decks +25% synergy
Dualcaster Mage
28% of 18 decks +23% synergy
Sparring Mummy
27% of 11 decks +27% synergy
Icewind Stalwart
27% of 11 decks +27% synergy
Agrus Kos, Eternal Soldier
27% of 11 decks +27% synergy
Inspiring Overseer
27% of 11 decks +25% synergy
Spirited Companion
27% of 11 decks +23% synergy
Ranger-Captain of Eos
27% of 11 decks +23% synergy
Sun Titan
27% of 11 decks +18% synergy
Esper Sentinel
27% of 11 decks +8% synergy
Priest of Urabrask
22% of 18 decks +22% synergy
Alloy Myr
22% of 18 decks +22% synergy
Coercive Recruiter
22% of 18 decks +21% synergy
Atsushi, the Blazing Sky
22% of 18 decks +20% synergy
Ardent Elementalist
17% of 18 decks +16% synergy
Plague Myr
17% of 18 decks +16% synergy
Platinum Angel
17% of 18 decks +16% synergy
Myr Retriever
17% of 18 decks +15% synergy
Witty Roastmaster
17% of 18 decks +14% synergy
Simian Spirit Guide
17% of 18 decks +11% synergy
Ragavan, Nimble Pilferer
17% of 18 decks +9% synergy
Professional Face-Breaker
17% of 18 decks +8% synergy
Instants
Reprieve
27% of 11 decks +23% synergy
Ephemerate
27% of 11 decks +22% synergy
Silence
27% of 11 decks +21% synergy
Boros Charm
27% of 11 decks +3% synergy
Pyroblast
22% of 18 decks +16% synergy
Red Elemental Blast
22% of 18 decks +16% synergy
Lightning Bolt
22% of 18 decks +12% synergy
Deflecting Swat
22% of 18 decks +6% synergy
Final Fortune
17% of 18 decks +15% synergy
Tibalt's Trickery
17% of 18 decks +12% synergy
Valakut Awakening
17% of 18 decks +11% synergy
Thrill of Possibility
17% of 18 decks +7% synergy
Abrade
17% of 18 decks +5% synergy
Sorceries
Twinflame
28% of 18 decks +25% synergy
Gamble
28% of 18 decks +18% synergy
Blasphemous Act
28% of 18 decks -5% synergy
Sevinne's Reclamation
27% of 11 decks +20% synergy
Warrior's Oath
22% of 18 decks +22% synergy
Last Chance
22% of 18 decks +21% synergy
Vandalblast
22% of 18 decks +7% synergy
Utility Artifacts
Skullclamp
33% of 18 decks +21% synergy
Sundial of the Infinite
28% of 18 decks +27% synergy
Voltaic Key
22% of 18 decks +21% synergy
Illusionist's Bracers
22% of 18 decks +21% synergy
Unwinding Clock
22% of 18 decks +20% synergy
Altar of Dementia
22% of 18 decks +20% synergy
Phyrexian Altar
22% of 18 decks +18% synergy
Darksteel Reactor
17% of 18 decks +16% synergy
Thornbite Staff
17% of 18 decks +16% synergy
Umbral Mantle
17% of 18 decks +16% synergy
Darksteel Forge
17% of 18 decks +15% synergy
Manifold Key
17% of 18 decks +15% synergy
Isochron Scepter
17% of 18 decks +14% synergy
Helm of the Host
17% of 18 decks +13% synergy
Panharmonicon
17% of 18 decks +13% synergy
Idol of Oblivion
17% of 18 decks +12% synergy
Wayfarer's Bauble
17% of 18 decks +7% synergy
Commander's Sphere
17% of 18 decks +2% synergy
Mind Stone
17% of 18 decks +0% synergy
Swiftfoot Boots
17% of 18 decks -11% synergy
Enchantments
Doubling Season
60% of 5 decks +50% synergy
Caretaker's Talent
33% of 9 decks +28% synergy
Impact Tremors
28% of 18 decks +18% synergy
Mana Echoes
22% of 18 decks +21% synergy
Utility Lands
Urza's Saga
22% of 18 decks +15% synergy
Reliquary Tower
22% of 18 decks -8% synergy
Inventors' Fair
17% of 18 decks +13% synergy
Great Furnace
17% of 18 decks +11% synergy
Mana Artifacts
Sol Ring
78% of 18 decks -6% synergy
Arcane Signet
67% of 18 decks -6% synergy
Talisman of Conviction
55% of 11 decks +31% synergy
Boros Signet
45% of 11 decks +23% synergy
Fellwar Stone
44% of 18 decks +23% synergy
Cursed Mirror
28% of 18 decks +22% synergy
Mox Opal
17% of 18 decks +12% synergy
Everflowing Chalice
17% of 18 decks +12% synergy
Chromatic Lantern
17% of 18 decks +7% synergy
Lands
Command Tower
78% of 18 decks +3% synergy
Clifftop Retreat
64% of 11 decks +33% synergy
Spire Garden
60% of 5 decks +36% synergy
Luxury Suite
57% of 7 decks +31% synergy
Blood Crypt
57% of 7 decks +19% synergy
Needleverge Pathway
55% of 11 decks +46% synergy
Spectator Seating
55% of 11 decks +30% synergy
Rugged Prairie
45% of 11 decks +34% synergy
Furycalm Snarl
45% of 11 decks +32% synergy
Battlefield Forge
45% of 11 decks +19% synergy
Sacred Foundry
45% of 11 decks +10% synergy
Badlands
43% of 7 decks +30% synergy
Smoldering Marsh
43% of 7 decks +10% synergy
Sundown Pass
36% of 11 decks +21% synergy
Exotic Orchard
33% of 18 decks -3% synergy
Fabled Passage
28% of 18 decks +19% synergy
Arid Mesa
28% of 18 decks +17% synergy
Bloodstained Mire
28% of 18 decks +17% synergy
Wooded Foothills
22% of 18 decks +12% synergy
Scalding Tarn
22% of 18 decks +11% synergy
Marsh Flats
17% of 18 decks +6% synergy
Verdant Catacombs
17% of 18 decks +5% synergy
Polluted Delta
17% of 18 decks +5% synergy
Terramorphic Expanse
17% of 18 decks +1% synergy