Prototype Portal + Gonti's Aether Heart + Voltaic Key + Lithoform Engine

Prototype Portal
Gonti's Aether Heart
Voltaic Key
Lithoform Engine

Requires
Prototype Portal must be on the battlefield. Gonti's Aether Heart must be in exile (exiled by Prototype Portal). Voltaic Key must be on the battlefield. Lithoform Engine must be on the battlefield. Eleven generic mana available each turn.
Steps
  1. Activate Prototype Portal by paying 6 and tapping it.
  2. In response, activate Lithoform Engine by paying 2 and tapping it, copying Prototype Portal's activated ability.
  3. Activate Voltaic Key by paying 1 and tapping it, untapping Lithoform Engine.
  4. activate Lithoform Engine by paying 2 and tapping it, copying Prototype Portal's activated ability again.
  5. Resolve one Prototype Portal ability, creating a token copy of Gonti's Aether Heart.
  6. Gonti's Aether Heart triggers, adding ee.
  7. Resolve a second Prototype Portal ability, creating a token copy of Gonti's Aether Heart.
  8. Put one of the Gonti's Aether Heart tokens into the graveyard due to the legend rule.
  9. Both Gonti's Aether Heart copies trigger, adding a total of eeee.
  10. Resolve the last Prototype Portal ability, creating a token copy of Gonti's Aether Heart.
  11. Put one of the Gonti's Aether Heart tokens into the graveyard due to the legend rule.
  12. Both Gonti's Aether Heart copies trigger, adding a total of eeee.
  13. Activate the Gonti's Aether Heart token by paying eight e and exiling it, causing you to take an extra turn after this one.
  14. Repeat each turn.
Results
Infinite turns.

Kurkesh, Onakke Ancient
1.60% of 437 decks 7 decks
The Peregrine Dynamo
1.05% of 664 decks 7 decks
Karn, Legacy Reforged
0.05% of 4063 decks 2 decks
King Macar, the Gold-Cursed
0.22% of 889 decks 2 decks
Mishra, Eminent One
0.03% of 7338 decks 2 decks
Kozilek, the Great Distortion
0.03% of 6127 decks 2 decks
Ikra Shidiqi, the Usurper // Rebbec, Architect of Ascension
7.14% of 14 decks 1 decks
Emrakul, the Promised End
0.13% of 774 decks 1 decks
Dr. Madison Li
0.02% of 4216 decks 1 decks
Jhoira, Weatherlight Captain
0.02% of 6073 decks 1 decks
Gandalf the White
0.04% of 2571 decks 1 decks
Graaz, Unstoppable Juggernaut
0.03% of 3611 decks 1 decks
The Motherlode, Excavator
1.08% of 93 decks 1 decks
Gonti, Canny Acquisitor
0.02% of 5564 decks 1 decks
Urtet, Remnant of Memnarch
0.01% of 14706 decks 1 decks
Karn, Silver Golem
0.09% of 1055 decks 1 decks
High Synergy Cards
Great Furnace
92% of 13 decks +87% synergy
Etherium Sculptor
83% of 6 decks +78% synergy
Seat of the Synod
83% of 6 decks +77% synergy
Enthusiastic Mechanaut
80% of 5 decks +76% synergy
Mystic Forge
78% of 32 decks +75% synergy
Jhoira, Weatherlight Captain
80% of 5 decks +74% synergy
Unwinding Clock
72% of 32 decks +69% synergy
Foundry Inspector
69% of 32 decks +65% synergy
Padeem, Consul of Innovation
67% of 6 decks +63% synergy
Clock of Omens
59% of 32 decks +58% synergy
Top Cards
Blasphemous Act
62% of 13 decks +28% synergy
Manifold Key
59% of 32 decks +58% synergy
Mind Stone
59% of 32 decks +42% synergy
Basalt Monolith
56% of 32 decks +54% synergy
Everflowing Chalice
56% of 32 decks +52% synergy
Rings of Brighthearth
53% of 32 decks +51% synergy
Cloud Key
53% of 32 decks +51% synergy
Kuldotha Forgemaster
50% of 32 decks +49% synergy
Forsaken Monument
50% of 32 decks +48% synergy
Sculpting Steel
50% of 32 decks +48% synergy
Creatures
Brudiclad, Telchor Engineer
60% of 5 decks +56% synergy
The Reality Chip
50% of 6 decks +46% synergy
Emry, Lurker of the Loch
50% of 6 decks +46% synergy
Palladium Myr
47% of 32 decks +45% synergy
Goblin Welder
38% of 13 decks +36% synergy
Goblin Engineer
38% of 13 decks +35% synergy
Jhoira's Familiar
38% of 32 decks +36% synergy
Myr Retriever
38% of 32 decks +35% synergy
Metalwork Colossus
34% of 32 decks +33% synergy
Scrap Trawler
34% of 32 decks +32% synergy
Myr Battlesphere
31% of 32 decks +29% synergy
Iron Myr
31% of 13 decks +28% synergy
Liberator, Urza's Battlethopter
28% of 32 decks +27% synergy
Shimmer Myr
28% of 32 decks +27% synergy
Karn, Legacy Reforged
25% of 20 decks +24% synergy
Bosh, Iron Golem
23% of 13 decks +23% synergy
Scrap Welder
23% of 13 decks +23% synergy
Slobad, Goblin Tinkerer
23% of 13 decks +22% synergy
Hellkite Tyrant
23% of 13 decks +19% synergy
Reckless Fireweaver
23% of 13 decks +19% synergy
Hangarback Walker
22% of 32 decks +21% synergy
Blightsteel Colossus
22% of 32 decks +20% synergy
Burnished Hart
22% of 32 decks +18% synergy
Ornithopter of Paradise
22% of 32 decks +18% synergy
Cogwork Assembler
19% of 32 decks +19% synergy
Voltaic Construct
19% of 32 decks +19% synergy
Metalworker
19% of 32 decks +18% synergy
Syr Ginger, the Meal Ender
19% of 16 decks +18% synergy
Plague Myr
19% of 32 decks +18% synergy
Walking Ballista
19% of 32 decks +16% synergy
Solemn Simulacrum
19% of 32 decks +5% synergy
Abstruse Archaic
17% of 18 decks +16% synergy
Platinum Emperion
16% of 32 decks +15% synergy
Hedron Crawler
16% of 32 decks +15% synergy
Platinum Angel
16% of 32 decks +15% synergy
Steel Overseer
16% of 32 decks +14% synergy
Kozilek, Butcher of Truth
16% of 32 decks +14% synergy
Wurmcoil Engine
16% of 32 decks +14% synergy
Steel Hellkite
16% of 32 decks +14% synergy
Meteor Golem
16% of 32 decks +13% synergy
Electrostatic Pummeler
12% of 32 decks +12% synergy
Voltaic Servant
12% of 32 decks +12% synergy
Automated Artificer
12% of 32 decks +12% synergy
Scarecrone
12% of 32 decks +12% synergy
Myr Welder
12% of 32 decks +12% synergy
Manakin
12% of 32 decks +12% synergy
Junk Diver
12% of 32 decks +12% synergy
Soul of New Phyrexia
12% of 32 decks +12% synergy
Cityscape Leveler
12% of 32 decks +12% synergy
Conduit of Ruin
12% of 32 decks +12% synergy
Instants
Swords to Plowshares
75% of 4 decks +12% synergy
Counterspell
50% of 6 decks +7% synergy
Big Score
23% of 13 decks +14% synergy
Thrill of Possibility
23% of 13 decks +13% synergy
Chaos Warp
23% of 13 decks -9% synergy
Desecrate Reality
22% of 18 decks +21% synergy
Titan's Presence
12% of 32 decks +12% synergy
Warping Wail
9% of 32 decks +9% synergy
Sorceries
Faithless Looting
46% of 13 decks +29% synergy
Trash for Treasure
38% of 13 decks +37% synergy
All Is Dust
38% of 32 decks +36% synergy
Saheeli's Directive
23% of 13 decks +23% synergy
Vandalblast
23% of 13 decks +7% synergy
Rise of the Eldrazi
17% of 18 decks +15% synergy
Introduction to Prophecy
9% of 32 decks +9% synergy
Introduction to Annihilation
9% of 32 decks +9% synergy
Utility Artifacts
Planar Bridge
44% of 32 decks +43% synergy
The One Ring
43% of 21 decks +34% synergy
Hedron Archive
41% of 32 decks +38% synergy
The Millennium Calendar
38% of 16 decks +37% synergy
Darksteel Forge
38% of 32 decks +36% synergy
Strionic Resonator
38% of 32 decks +34% synergy
Sensei's Divining Top
38% of 32 decks +32% synergy
Magistrate's Scepter
34% of 32 decks +34% synergy
Wand of Wonder
31% of 13 decks +29% synergy
Chimil, the Inner Sun
31% of 13 decks +28% synergy
Aetherworks Marvel
28% of 32 decks +28% synergy
Mirrorworks
28% of 32 decks +27% synergy
Semblance Anvil
28% of 32 decks +27% synergy
Krark-Clan Ironworks
28% of 32 decks +27% synergy
Trading Post
28% of 32 decks +27% synergy
Lux Cannon
25% of 32 decks +25% synergy
Realmbreaker, the Invasion Tree
25% of 20 decks +24% synergy
Moonsilver Key
25% of 32 decks +24% synergy
Mirage Mirror
25% of 32 decks +23% synergy
Ashnod's Altar
25% of 32 decks +17% synergy
Dragonspark Reactor
23% of 13 decks +23% synergy
Thran Temporal Gateway
22% of 32 decks +22% synergy
Contagion Engine
22% of 32 decks +21% synergy
Wayfarer's Bauble
22% of 32 decks +12% synergy
Lightning Greaves
22% of 32 decks -3% synergy
Decoction Module
19% of 32 decks +18% synergy
Tamiyo's Journal
19% of 32 decks +18% synergy
Mycosynth Lattice
19% of 32 decks +18% synergy
Helm of Awakening
19% of 32 decks +18% synergy
Portal to Phyrexia
19% of 32 decks +17% synergy
Helm of the Host
19% of 32 decks +16% synergy
Aetherflux Reservoir
19% of 32 decks +15% synergy
Panharmonicon
19% of 32 decks +15% synergy
Titan Forge
16% of 32 decks +16% synergy
Ring of Three Wishes
16% of 32 decks +15% synergy
Fabrication Module
16% of 32 decks +15% synergy
Transmogrifying Wand
16% of 32 decks +15% synergy
Ugin's Nexus
16% of 32 decks +15% synergy
Animation Module
16% of 32 decks +15% synergy
Liquimetal Coating
16% of 32 decks +15% synergy
Horizon Stone
16% of 32 decks +15% synergy
Grinding Station
16% of 32 decks +15% synergy
Mind's Eye
16% of 32 decks +15% synergy
Spine of Ish Sah
16% of 32 decks +15% synergy
Nevinyrral's Disk
16% of 32 decks +14% synergy
Staff of Domination
16% of 32 decks +14% synergy
Swiftfoot Boots
16% of 32 decks -12% synergy
Energy Chamber
12% of 32 decks +12% synergy
Oracle's Vault
12% of 32 decks +12% synergy
Golem Foundry
12% of 32 decks +12% synergy
Enchantments
All Will Be One
40% of 10 decks +37% synergy
Pia's Revolution
23% of 13 decks +23% synergy
Eldrazi Conscription
9% of 32 decks +8% synergy
Planeswalkers
Ugin, the Ineffable
47% of 32 decks +45% synergy
Daretti, Scrap Savant
38% of 13 decks +36% synergy
Karn, Living Legacy
28% of 32 decks +28% synergy
Karn, Scion of Urza
22% of 32 decks +21% synergy
Karn, the Great Creator
16% of 32 decks +14% synergy
Ugin, the Spirit Dragon
16% of 32 decks +14% synergy
Utility Lands
Ancient Den
75% of 4 decks +70% synergy
Buried Ruin
62% of 32 decks +57% synergy
Inventors' Fair
59% of 32 decks +56% synergy
Shrine of the Forsaken Gods
50% of 32 decks +49% synergy
Fomori Vault
50% of 8 decks +48% synergy
Darksteel Citadel
50% of 32 decks +46% synergy
Urza's Power Plant
44% of 32 decks +42% synergy
Urza's Mine
44% of 32 decks +42% synergy
Urza's Tower
44% of 32 decks +42% synergy
War Room
44% of 32 decks +37% synergy
Vault of Whispers
43% of 7 decks +38% synergy
Karn's Bastion
41% of 32 decks +36% synergy
Temple of the False God
41% of 32 decks +31% synergy
Reliquary Tower
38% of 32 decks +8% synergy
HELIOS One
33% of 9 decks +33% synergy
Urza's Workshop
31% of 32 decks +30% synergy
Treasure Vault
31% of 32 decks +29% synergy
Thespian's Stage
31% of 32 decks +29% synergy
Urza's Factory
28% of 32 decks +28% synergy
Zhalfirin Void
28% of 32 decks +27% synergy
Tomb of the Spirit Dragon
28% of 32 decks +27% synergy
Mikokoro, Center of the Sea
28% of 32 decks +26% synergy
Urza's Saga
28% of 32 decks +21% synergy
Rogue's Passage
28% of 32 decks +9% synergy
Command Beacon
25% of 32 decks +20% synergy
Forgotten Cave
23% of 13 decks +19% synergy
Mage-Ring Network
19% of 32 decks +18% synergy
Eye of Ugin
19% of 32 decks +18% synergy
Guildless Commons
19% of 32 decks +17% synergy
Bonders' Enclave
19% of 32 decks +16% synergy
Ancient Tomb
19% of 32 decks +8% synergy
Phyrexia's Core
16% of 32 decks +15% synergy
Sanctum of Ugin
16% of 32 decks +15% synergy
Arch of Orazca
16% of 32 decks +15% synergy
Strip Mine
16% of 32 decks +13% synergy
Geier Reach Sanitarium
16% of 32 decks +12% synergy
Glimmerpost
12% of 32 decks +12% synergy
Scorched Ruins
12% of 32 decks +12% synergy
Cloudpost
12% of 32 decks +12% synergy
Deserted Temple
12% of 32 decks +12% synergy
Crystal Vein
12% of 32 decks +12% synergy
Vesuva
12% of 32 decks +11% synergy
Blast Zone
12% of 32 decks +11% synergy
Nesting Grounds
12% of 32 decks +11% synergy
Blasted Landscape
9% of 32 decks +9% synergy
Sea Gate Wreckage
9% of 32 decks +9% synergy
Terrain Generator
9% of 32 decks +8% synergy
Homeward Path
9% of 32 decks +8% synergy
Emergence Zone
9% of 32 decks +7% synergy
Maze of Ith
9% of 32 decks +7% synergy
Mana Artifacts
Sol Ring
91% of 32 decks +6% synergy
Thran Dynamo
50% of 32 decks +45% synergy
Thought Vessel
41% of 32 decks +24% synergy
Sonic Screwdriver
38% of 16 decks +36% synergy
Liquimetal Torque
38% of 32 decks +34% synergy
Dreamstone Hedron
28% of 32 decks +27% synergy
Arcane Signet
28% of 32 decks -44% synergy
Cursed Mirror
23% of 13 decks +18% synergy
Gilded Lotus
22% of 32 decks +18% synergy
Grim Monolith
19% of 32 decks +17% synergy
Worn Powerstone
19% of 32 decks +16% synergy
Mana Vault
19% of 32 decks +12% synergy
Fellwar Stone
19% of 32 decks -2% synergy
Empowered Autogenerator
16% of 32 decks +15% synergy
Blinkmoth Urn
16% of 32 decks +15% synergy
The Mightstone and Weakstone
16% of 32 decks +15% synergy
Chromatic Orrery
16% of 32 decks +14% synergy
Stonespeaker Crystal
12% of 32 decks +12% synergy
Sceptre of Eternal Glory
12% of 32 decks +11% synergy
Springleaf Drum
12% of 32 decks +11% synergy
Mox Opal
12% of 32 decks +8% synergy
Thran Turbine
9% of 32 decks +9% synergy
Ur-Golem's Eye
9% of 32 decks +9% synergy
Paradise Mantle
9% of 32 decks +9% synergy
Patriar's Seal
9% of 32 decks +8% synergy
Mana Crypt
9% of 32 decks +1% synergy
Commander's Sphere
9% of 32 decks -6% synergy
Lands
Steam Vents
80% of 5 decks +41% synergy
Mistvault Bridge
75% of 4 decks +70% synergy
Silverbluff Bridge
60% of 5 decks +54% synergy
Shivan Reef
60% of 5 decks +33% synergy
Urza's Cave
50% of 8 decks +46% synergy
The Mycosynth Gardens
42% of 26 decks +40% synergy
Aether Hub
19% of 32 decks +18% synergy
Hall of Tagsin
19% of 32 decks +18% synergy
Command Tower
19% of 32 decks -55% synergy
Mirrex
15% of 26 decks +14% synergy
Myriad Landscape
12% of 32 decks -7% synergy
Spire of Industry
9% of 32 decks +6% synergy
Cavern of Souls
9% of 32 decks +2% synergy
Scalding Tarn
9% of 32 decks -2% synergy