Prototype Portal + Ugin's Nexus + Megatog
Prototype Portal
Ugin's Nexus
Megatog
Requires
Prototype Portal must be on the battlefield.
Ugin's Nexus must be in exile (exiled by Prototype Portal).
Megatog must be on the battlefield.
Mana needed: 
each turn
each turn
Steps
- Activate Prototype Portal by paying and tapping it, creating a token copy of Ugin's Nexus.
- Activate Megatog by sacrificing the Ugin's Nexus token.
- The Ugin's Nexus token is exiled instead of being put into your graveyard, causing you to take an extra turn after this one.
- Resolve the Megatog ability, giving it +3/+3 until end of turn.
- Repeat each turn.
Results
Infinite turns.
Breya, Etherium Shaper
0.01% of 13938 decks
1 decks
Jan Jansen, Chaos Crafter
0.02% of 4386 decks
1 decks
Golos, Tireless Pilgrim
0.13% of 773 decks
1 decks
New Cards
Marvin, Murderous Mimic
100% of 1 decks
+96% synergy
Creatures
Sharding Sphinx
100% of 2 decks
+99% synergy
Urza, Chief Artificer
100% of 2 decks
+98% synergy
Hazel's Brewmaster
100% of 1 decks
+96% synergy
Marionette Apprentice
100% of 2 decks
+93% synergy
Junk Diver
67% of 3 decks
+66% synergy
Kuldotha Forgemaster
67% of 3 decks
+66% synergy
Myr Retriever
67% of 3 decks
+65% synergy
Ingenious Artillerist
67% of 3 decks
+64% synergy
Ornithopter of Paradise
67% of 3 decks
+62% synergy
Reckless Fireweaver
67% of 3 decks
+62% synergy
Skill Borrower
50% of 2 decks
+50% synergy
Broodstar
50% of 2 decks
+50% synergy
Magus of the Future
50% of 2 decks
+50% synergy
Tawnos, Urza's Apprentice
50% of 2 decks
+50% synergy
Filigree Angel
50% of 2 decks
+50% synergy
Filigree Attendant
50% of 2 decks
+50% synergy
Sydri, Galvanic Genius
50% of 2 decks
+50% synergy
Nick Valentine, Private Eye
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+50% synergy
Breya, Etherium Shaper
50% of 2 decks
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Arcum Dagsson
50% of 2 decks
+49% synergy
Fatespinner
50% of 2 decks
+49% synergy
Grand Architect
50% of 2 decks
+49% synergy
Braids, Conjurer Adept
50% of 2 decks
+49% synergy
Jhoira, Ageless Innovator
50% of 2 decks
+49% synergy
Drafna, Founder of Lat-Nam
50% of 2 decks
+49% synergy
Research Thief
50% of 2 decks
+49% synergy
Teferi, Mage of Zhalfir
50% of 2 decks
+49% synergy
Malcator, Purity Overseer
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Vedalken Archmage
50% of 2 decks
+49% synergy
Satya, Aetherflux Genius
50% of 2 decks
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Master Transmuter
50% of 2 decks
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Master of Etherium
50% of 2 decks
+48% synergy
Sharuum the Hegemon
50% of 2 decks
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Kami of the Crescent Moon
50% of 2 decks
+48% synergy
Hanna, Ship's Navigator
50% of 2 decks
+48% synergy
Shimmer Dragon
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+48% synergy
Kappa Cannoneer
50% of 2 decks
+48% synergy
Saheeli, the Sun's Brilliance
50% of 2 decks
+48% synergy
Ethersworn Adjudicator
50% of 2 decks
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Thought Monitor
50% of 2 decks
+47% synergy
Sai, Master Thopterist
50% of 2 decks
+47% synergy
Brudiclad, Telchor Engineer
50% of 2 decks
+46% synergy
Gold-Forged Thopteryx
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+46% synergy
Emry, Lurker of the Loch
50% of 2 decks
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Enthusiastic Mechanaut
50% of 2 decks
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Cayth, Famed Mechanist
50% of 2 decks
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Etherium Sculptor
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+45% synergy
Jhoira, Weatherlight Captain
50% of 2 decks
+44% synergy
Baleful Strix
50% of 2 decks
+37% synergy
Nim Devourer
33% of 3 decks
+33% synergy
Instants
Access Denied
50% of 2 decks
+49% synergy
Void Rend
50% of 2 decks
+35% synergy
Deadly Dispute
33% of 3 decks
+22% synergy
Enlightened Tutor
33% of 3 decks
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Vampiric Tutor
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Sorceries
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50% of 2 decks
+50% synergy
Roar of Reclamation
33% of 3 decks
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Soulscour
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+33% synergy
Cruel Tutor
33% of 3 decks
+33% synergy
Beseech the Queen
33% of 3 decks
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Trash for Treasure
33% of 3 decks
+32% synergy
Organic Extinction
33% of 3 decks
+31% synergy
Profane Tutor
33% of 3 decks
+31% synergy
Beseech the Mirror
33% of 3 decks
+29% synergy
Grim Tutor
33% of 3 decks
+29% synergy
Diabolic Tutor
33% of 3 decks
+27% synergy
Sevinne's Reclamation
33% of 3 decks
+26% synergy
Demonic Tutor
33% of 3 decks
+11% synergy
Utility Artifacts
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100% of 1 decks
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Liquimetal Coating
67% of 3 decks
+66% synergy
Mycosynth Lattice
67% of 3 decks
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Clock of Omens
67% of 3 decks
+66% synergy
Krark-Clan Ironworks
67% of 3 decks
+66% synergy
Thousand-Year Elixir
67% of 3 decks
+65% synergy
Assimilation Aegis
50% of 2 decks
+49% synergy
Thopter Foundry
50% of 2 decks
+48% synergy
Power Matrix
33% of 3 decks
+33% synergy
Myr Matrix
33% of 3 decks
+33% synergy
Magistrate's Scepter
33% of 3 decks
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33% of 3 decks
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Spawning Pit
33% of 3 decks
+33% synergy
Doubling Cube
33% of 3 decks
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Blasting Station
33% of 3 decks
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Grinding Station
33% of 3 decks
+33% synergy
Transmutation Font
33% of 3 decks
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Prized Statue
33% of 3 decks
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Genesis Chamber
33% of 3 decks
+33% synergy
Mirrorworks
33% of 3 decks
+33% synergy
Mycosynth Wellspring
33% of 3 decks
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Aether Refinery
33% of 3 decks
+32% synergy
Automated Assembly Line
33% of 3 decks
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Trading Post
33% of 3 decks
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Illusionist's Bracers
33% of 3 decks
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Darksteel Forge
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Elixir of Immortality
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Ichor Wellspring
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Nettlecyst
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33% of 3 decks
+31% synergy
Sculpting Steel
33% of 3 decks
+31% synergy
Vat of Rebirth
33% of 3 decks
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33% of 3 decks
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Unwinding Clock
33% of 3 decks
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Enchantments
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Biotransference
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Revel in Riches
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Anointed Procession
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Smothering Tithe
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Planeswalkers
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Utility Lands
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Vault of Whispers
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Buried Ruin
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Ancient Den
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Great Furnace
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Academy Ruins
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Seat of the Synod
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+44% synergy
Blasted Landscape
33% of 3 decks
+33% synergy
Cascading Cataracts
33% of 3 decks
+32% synergy
Inventors' Fair
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Mana Artifacts
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100% of 3 decks
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Sol Ring
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Blinkmoth Urn
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Patriar's Seal
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Gilded Lotus
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Liquimetal Torque
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Lotus Petal
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+27% synergy
Chromatic Lantern
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Commander's Sphere
33% of 3 decks
+18% synergy
Boros Signet
33% of 3 decks
+10% synergy
Orzhov Signet
33% of 3 decks
+6% synergy
Rakdos Signet
33% of 3 decks
+4% synergy
Lands
Botanical Sanctum
100% of 1 decks
+96% synergy
Blooming Marsh
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+96% synergy
Flooded Grove
100% of 1 decks
+88% synergy
Contaminated Landscape
100% of 1 decks
+87% synergy
Deathcap Glade
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+86% synergy
Hedge Maze
100% of 1 decks
+86% synergy
Seething Landscape
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+85% synergy
Sunpetal Grove
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+76% synergy
Bountiful Promenade
100% of 1 decks
+76% synergy
Hinterland Harbor
100% of 1 decks
+73% synergy
Prairie Stream
100% of 2 decks
+66% synergy
Breeding Pool
100% of 1 decks
+59% synergy
Command Tower
100% of 3 decks
+26% synergy
Dragonskull Summit
67% of 3 decks
+36% synergy
Thriving Isle
50% of 2 decks
+47% synergy
Mystic Gate
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+44% synergy
Silverbluff Bridge
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Cascade Bluffs
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+38% synergy
Skycloud Expanse
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+37% synergy
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50% of 2 decks
+37% synergy
Darkwater Catacombs
50% of 2 decks
+35% synergy
Drowned Catacomb
50% of 2 decks
+24% synergy
Glacial Fortress
50% of 2 decks
+24% synergy
Hallowed Fountain
50% of 2 decks
+9% synergy
Glimmervoid
33% of 3 decks
+33% synergy
Grixis Panorama
33% of 3 decks
+33% synergy
The Mycosynth Gardens
33% of 3 decks
+31% synergy
Thriving Bluff
33% of 3 decks
+31% synergy
Thriving Heath
33% of 3 decks
+31% synergy
Spire of Industry
33% of 3 decks
+30% synergy
Drossforge Bridge
33% of 3 decks
+29% synergy
Secluded Courtyard
33% of 3 decks
+29% synergy
Ash Barrens
33% of 3 decks
+29% synergy
Goldmire Bridge
33% of 3 decks
+28% synergy
Rustvale Bridge
33% of 3 decks
+28% synergy
Concealed Courtyard
33% of 3 decks
+28% synergy
Plateau
33% of 3 decks
+21% synergy
Shattered Sanctum
33% of 3 decks
+20% synergy
Badlands
33% of 3 decks
+20% synergy
Scrubland
33% of 3 decks
+20% synergy
Temple of Malice
33% of 3 decks
+19% synergy
Boros Garrison
33% of 3 decks
+18% synergy
Haunted Ridge
33% of 3 decks
+17% synergy
Temple of Silence
33% of 3 decks
+15% synergy
Path of Ancestry
33% of 3 decks
+12% synergy
Savai Triome
33% of 3 decks
+6% synergy
Isolated Chapel
33% of 3 decks
+6% synergy
Nomad Outpost
33% of 3 decks
+6% synergy
Clifftop Retreat
33% of 3 decks
+5% synergy
Exotic Orchard
33% of 3 decks
-2% synergy