Magistrate's Scepter + Energy Chamber + Tawnos, Urza's Apprentice
Magistrate's Scepter
Energy Chamber
Tawnos, Urza's Apprentice
Requires
Magistrate's Scepter must be on the battlefield.
Energy Chamber must be on the battlefield.
Tawnos, Urza's Apprentice must be on the battlefield.
Magistrate's Scepter has three charge counters on it.
Mana needed: 
each turn
each turn
Steps
- Activate Magistrate's Scepter, removing 3 charge counters to take an extra turn.
- Activate Tawnos, copying the extra turn ability.
- Pass the turn.
- At the beginning of your upkeep, Energy Chamber triggers, putting a charge counter on Magistrate's Scepter.
- Activate Magistrate's Scepter, putting a charge counter on itself.
- Activate Tawnos, copying the trigger.
- Pass the turn.
- Repeat.
Results
Infinite turns.
Tawnos, Urza's Apprentice
7.20% of 250 decks
18 decks
Jhoira, Ageless Innovator
0.05% of 2106 decks
1 decks
Nicol Bolas, the Ravager
0.01% of 6865 decks
1 decks
Immard, the Stormcleaver
0.09% of 1152 decks
1 decks
Garth One-Eye
0.02% of 4123 decks
1 decks
Dynaheir, Invoker Adept
0.07% of 1378 decks
1 decks
Rashmi and Ragavan
0.02% of 5146 decks
1 decks
Myra the Magnificent
0.04% of 2495 decks
1 decks
Ramos, Dragon Engine
0.01% of 8576 decks
1 decks
Jhoira, Weatherlight Captain
0.02% of 6170 decks
1 decks
High Synergy Cards
Coretapper
81% of 27 decks
+81% synergy
Lux Cannon
74% of 27 decks
+74% synergy
Titan Forge
56% of 27 decks
+55% synergy
Power Conduit
56% of 27 decks
+55% synergy
Etherium Sculptor
56% of 27 decks
+50% synergy
Flux Channeler
52% of 27 decks
+49% synergy
Enthusiastic Mechanaut
52% of 27 decks
+48% synergy
Voltaic Key
48% of 27 decks
+47% synergy
Karn's Bastion
52% of 27 decks
+47% synergy
Surge Node
44% of 27 decks
+44% synergy
Top Cards
Everflowing Chalice
63% of 27 decks
+58% synergy
Empowered Autogenerator
59% of 27 decks
+59% synergy
Astral Cornucopia
59% of 27 decks
+58% synergy
Solemn Simulacrum
52% of 27 decks
+38% synergy
Chaos Warp
52% of 27 decks
+20% synergy
Jhoira, Weatherlight Captain
48% of 27 decks
+42% synergy
Kurkesh, Onakke Ancient
44% of 27 decks
+44% synergy
Transmogrifying Wand
44% of 27 decks
+44% synergy
Sai, Master Thopterist
44% of 27 decks
+41% synergy
Tezzeret's Gambit
44% of 27 decks
+41% synergy
Creatures
Padeem, Consul of Innovation
37% of 27 decks
+34% synergy
Foundry Inspector
33% of 27 decks
+29% synergy
Myr Battlesphere
30% of 27 decks
+27% synergy
Emry, Lurker of the Loch
30% of 27 decks
+26% synergy
Trinket Mage
26% of 27 decks
+24% synergy
Tribute Mage
26% of 27 decks
+24% synergy
Goblin Engineer
26% of 27 decks
+22% synergy
Vedalken Infuser
22% of 27 decks
+22% synergy
Master Transmuter
22% of 27 decks
+21% synergy
Trophy Mage
22% of 27 decks
+20% synergy
Goblin Welder
22% of 27 decks
+19% synergy
Thought Monitor
22% of 27 decks
+19% synergy
Thrummingbird
22% of 27 decks
+19% synergy
Metalwork Colossus
19% of 27 decks
+18% synergy
Hangarback Walker
19% of 27 decks
+18% synergy
Meteor Golem
19% of 27 decks
+16% synergy
Combustible Gearhulk
19% of 27 decks
+16% synergy
Brudiclad, Telchor Engineer
19% of 27 decks
+15% synergy
Burnished Hart
19% of 27 decks
+14% synergy
Third Path Iconoclast
18% of 22 decks
+10% synergy
Tekuthal, Inquiry Dominus
17% of 18 decks
+14% synergy
Aphetto Alchemist
15% of 27 decks
+14% synergy
Wurmcoil Engine
15% of 27 decks
+13% synergy
Scrap Trawler
15% of 27 decks
+13% synergy
Shimmer Dragon
15% of 27 decks
+13% synergy
Drafna, Founder of Lat-Nam
14% of 22 decks
+13% synergy
Liberator, Urza's Battlethopter
14% of 22 decks
+12% synergy
Filigree Sages
11% of 27 decks
+11% synergy
Treasure Mage
11% of 27 decks
+11% synergy
Memnarch
11% of 27 decks
+11% synergy
Riddlesmith
11% of 27 decks
+10% synergy
Duplicant
11% of 27 decks
+10% synergy
Vedalken Archmage
11% of 27 decks
+10% synergy
Steel Overseer
11% of 27 decks
+10% synergy
Shimmer Myr
11% of 27 decks
+9% synergy
Deepglow Skate
11% of 27 decks
+9% synergy
Silver Myr
11% of 27 decks
+8% synergy
Urza, Lord High Artificer
11% of 27 decks
+8% synergy
The Reality Chip
11% of 27 decks
+7% synergy
Instants
Experimental Augury
26% of 19 decks
+23% synergy
Whir of Invention
26% of 27 decks
+23% synergy
Fuel for the Cause
22% of 27 decks
+21% synergy
Arcane Denial
19% of 27 decks
-1% synergy
Counterspell
19% of 27 decks
-24% synergy
Resculpt
15% of 27 decks
+10% synergy
Abrade
15% of 27 decks
+4% synergy
Clockspinning
11% of 27 decks
+10% synergy
Steady Progress
11% of 27 decks
+10% synergy
Thirst for Knowledge
11% of 27 decks
+9% synergy
Dramatic Reversal
11% of 27 decks
+6% synergy
Reality Shift
11% of 27 decks
+2% synergy
Cyclonic Rift
11% of 27 decks
-17% synergy
Sorceries
Blasphemous Act
41% of 27 decks
+7% synergy
Saheeli's Directive
26% of 27 decks
+26% synergy
Contentious Plan
26% of 27 decks
+24% synergy
Thoughtcast
26% of 27 decks
+23% synergy
Fabricate
22% of 27 decks
+16% synergy
One with the Machine
15% of 27 decks
+14% synergy
Vandalblast
15% of 27 decks
-1% synergy
Dismantle
11% of 27 decks
+11% synergy
Scrap Mastery
11% of 27 decks
+10% synergy
Saheeli's Artistry
11% of 27 decks
+10% synergy
Chain Reaction
11% of 27 decks
+6% synergy
Utility Artifacts
The Millennium Calendar
50% of 6 decks
+49% synergy
Golem Foundry
41% of 27 decks
+41% synergy
Darksteel Reactor
41% of 27 decks
+41% synergy
Dragonspark Reactor
37% of 27 decks
+37% synergy
Contagion Clasp
37% of 27 decks
+36% synergy
Manifold Key
37% of 27 decks
+36% synergy
Contagion Engine
33% of 27 decks
+32% synergy
Prototype Portal
30% of 27 decks
+29% synergy
Throne of Geth
30% of 27 decks
+29% synergy
Rings of Brighthearth
30% of 27 decks
+28% synergy
Unwinding Clock
30% of 27 decks
+27% synergy
Mystic Forge
30% of 27 decks
+27% synergy
Orochi Hatchery
26% of 27 decks
+26% synergy
Mirrorworks
26% of 27 decks
+25% synergy
Clock of Omens
26% of 27 decks
+25% synergy
Sculpting Steel
26% of 27 decks
+24% synergy
Wand of Wonder
24% of 25 decks
+22% synergy
Lux Artillery
22% of 18 decks
+22% synergy
Trading Post
22% of 27 decks
+21% synergy
Moonsilver Key
22% of 27 decks
+21% synergy
Wayfarer's Bauble
22% of 27 decks
+12% synergy
Treasure Chest
19% of 27 decks
+18% synergy
Battlemage's Bracers
19% of 27 decks
+17% synergy
Mimic Vat
19% of 27 decks
+17% synergy
Lithoform Engine
19% of 27 decks
+17% synergy
Strionic Resonator
19% of 27 decks
+15% synergy
Sensei's Divining Top
19% of 27 decks
+13% synergy
Urabrask's Forge
16% of 19 decks
+14% synergy
Golden Urn
15% of 27 decks
+15% synergy
Geometric Nexus
15% of 27 decks
+15% synergy
Oracle's Vault
15% of 27 decks
+15% synergy
Gonti's Aether Heart
15% of 27 decks
+14% synergy
Reckoner Bankbuster
15% of 27 decks
+14% synergy
Spine of Ish Sah
15% of 27 decks
+14% synergy
Thousand-Year Elixir
15% of 27 decks
+13% synergy
Gavel of the Righteous
12% of 26 decks
+11% synergy
Serum Tank
11% of 27 decks
+11% synergy
Shrine of Burning Rage
11% of 27 decks
+11% synergy
Grindclock
11% of 27 decks
+11% synergy
Thran Temporal Gateway
11% of 27 decks
+11% synergy
Retrofitter Foundry
11% of 27 decks
+11% synergy
Spawning Pit
11% of 27 decks
+11% synergy
Planar Bridge
11% of 27 decks
+11% synergy
Liquimetal Coating
11% of 27 decks
+11% synergy
Chaos Wand
11% of 27 decks
+10% synergy
Sword of Truth and Justice
11% of 27 decks
+10% synergy
Darksteel Forge
11% of 27 decks
+10% synergy
Mirage Mirror
11% of 27 decks
+10% synergy
Staff of Domination
11% of 27 decks
+9% synergy
Isochron Scepter
11% of 27 decks
+9% synergy
Enchantments
Inexorable Tide
41% of 27 decks
+38% synergy
Storm the Vault
30% of 27 decks
+26% synergy
Mirrodin Besieged
19% of 27 decks
+17% synergy
Thopter Spy Network
19% of 27 decks
+15% synergy
Artificer's Intuition
11% of 27 decks
+11% synergy
Efficient Construction
11% of 27 decks
+10% synergy
Planeswalkers
Daretti, Scrap Savant
41% of 27 decks
+38% synergy
Saheeli, Sublime Artificer
41% of 27 decks
+36% synergy
Saheeli, the Gifted
33% of 27 decks
+33% synergy
Tezzeret, Betrayer of Flesh
19% of 27 decks
+17% synergy
Tezzeret the Seeker
15% of 27 decks
+12% synergy
Saheeli, Filigree Master
14% of 22 decks
+13% synergy
Ral Zarek
11% of 27 decks
+10% synergy
Utility Lands
Darksteel Citadel
48% of 27 decks
+44% synergy
Buried Ruin
48% of 27 decks
+43% synergy
Seat of the Synod
48% of 27 decks
+42% synergy
Inventors' Fair
44% of 27 decks
+41% synergy
Great Furnace
44% of 27 decks
+39% synergy
Academy Ruins
26% of 27 decks
+21% synergy
Urza's Saga
26% of 27 decks
+19% synergy
Reliquary Tower
22% of 27 decks
-7% synergy
Nesting Grounds
19% of 27 decks
+17% synergy
Urza's Power Plant
15% of 27 decks
+13% synergy
Urza's Mine
15% of 27 decks
+13% synergy
Urza's Tower
15% of 27 decks
+13% synergy
Treasure Vault
15% of 27 decks
+12% synergy
Blast Zone
11% of 27 decks
+10% synergy
Field of Ruin
11% of 27 decks
+9% synergy
Desolate Lighthouse
11% of 27 decks
+7% synergy
Castle Vantress
11% of 27 decks
+7% synergy
Mana Artifacts
Sol Ring
89% of 27 decks
+4% synergy
Arcane Signet
56% of 27 decks
-16% synergy
Izzet Signet
52% of 27 decks
+23% synergy
Vexing Puzzlebox
36% of 25 decks
+35% synergy
Talisman of Creativity
33% of 27 decks
+4% synergy
Pentad Prism
30% of 27 decks
+29% synergy
Liquimetal Torque
30% of 27 decks
+26% synergy
Thran Dynamo
30% of 27 decks
+25% synergy
Mind Stone
26% of 27 decks
+8% synergy
Basalt Monolith
22% of 27 decks
+20% synergy
Hedron Archive
22% of 27 decks
+19% synergy
Commander's Sphere
22% of 27 decks
+7% synergy
Midnight Clock
19% of 27 decks
+13% synergy
Patriar's Seal
16% of 25 decks
+14% synergy
Gemstone Array
15% of 27 decks
+15% synergy
Coalition Relic
15% of 27 decks
+14% synergy
Chromatic Orrery
15% of 27 decks
+13% synergy
Jeweled Amulet
11% of 27 decks
+11% synergy
Strixhaven Stadium
11% of 27 decks
+11% synergy
Coveted Jewel
11% of 27 decks
+10% synergy
Gilded Lotus
11% of 27 decks
+8% synergy
Lands
Command Tower
81% of 27 decks
+8% synergy
Silverbluff Bridge
44% of 27 decks
+38% synergy
Shivan Reef
41% of 27 decks
+14% synergy
Steam Vents
41% of 27 decks
+2% synergy
Temple of Epiphany
37% of 27 decks
+19% synergy
Sulfur Falls
37% of 27 decks
+7% synergy
Training Center
33% of 27 decks
+6% synergy
Scalding Tarn
30% of 27 decks
+19% synergy
Exotic Orchard
30% of 27 decks
-6% synergy
Stormcarved Coast
26% of 27 decks
+9% synergy
Riverglide Pathway
22% of 27 decks
+13% synergy
Izzet Boilerworks
22% of 27 decks
+6% synergy
Evolving Wilds
22% of 27 decks
+1% synergy
Frostboil Snarl
19% of 27 decks
+5% synergy
Terramorphic Expanse
19% of 27 decks
+3% synergy
Myriad Landscape
19% of 27 decks
-1% synergy
Spire of Industry
15% of 27 decks
+12% synergy
Fiery Islet
15% of 27 decks
+8% synergy
Volcanic Island
15% of 27 decks
+1% synergy
Spirebluff Canal
11% of 27 decks
+8% synergy
Swiftwater Cliffs
11% of 27 decks
+4% synergy
Bloodstained Mire
11% of 27 decks
+1% synergy
Flooded Strand
11% of 27 decks
+1% synergy