Prototype Portal + Gonti's Aether Heart + Thopter Assembly + Ashnod's Altar
Prototype Portal
Gonti's Aether Heart
Thopter Assembly
Ashnod's Altar
Requires
Prototype Portal must be on the battlefield.
Gonti's Aether Heart must be in exile (exiled by Prototype Portal).
Thopter Assembly must be on the battlefield.
Ashnod's Altar must be on the battlefield.
Mana needed: 
each turn
each turn
Steps
- At the beginning of your upkeep, Thopter Assembly triggers.
- Holding priority, activate Prototype Portal by paying and tapping it, creating a token copy of Gonti's Aether Heart.
- Gonti's Aether Heart enters the battlefield, causing you to get
. - Resolve the Thopter Assembly trigger, returning it from the battlefield to your hand and creating five 1/1 Thopter artifact creature tokens.
- The Thopters enter the battlefield, triggering Gonti's Aether Heart five times, causing you to get ten .
- Activate Ashnod's Altar five times by sacrificing the five Thopters, adding ten .
- Cast Thopter Assembly by paying .
- Thopter Assembly enter the battlefield, triggering Gonti's Aether Heart, causing you to get .
- Activate Gonti's Aether Heart by paying eight and exiling it, causing you to take an extra turn after this one.
- Repeat each turn.
Results
Infinite turns.
Top Commanders
Breya, Etherium Shaper
0.03% of 15321 decks
5 decks
Oviya Pashiri, Sage Lifecrafter
0.46% of 439 decks
2 decks
Gonti, Canny Acquisitor
0.01% of 7695 decks
1 decks
Syr Ginger, the Meal Ender
0.04% of 2329 decks
1 decks
Dr. Madison Li
0.02% of 5356 decks
1 decks
Oloro, Ageless Ascetic
0.01% of 13654 decks
1 decks
The Peregrine Dynamo
0.14% of 700 decks
1 decks
Karn, Silver Golem
0.10% of 1035 decks
1 decks
Gimbal, Gremlin Prodigy
0.03% of 3341 decks
1 decks
Graaz, Unstoppable Juggernaut
0.03% of 3287 decks
1 decks
Oswald Fiddlebender
0.05% of 1898 decks
1 decks
Armix, Filigree Thrasher // Silas Renn, Seeker Adept
0.16% of 635 decks
1 decks
New Cards
Repurposing Bay
25% of 4 decks
+24% synergy
Stridehangar Automaton
25% of 4 decks
+24% synergy
Voyage Home
25% of 4 decks
+22% synergy
Voyager Quickwelder
25% of 4 decks
+23% synergy
Aetherflux Conduit
25% of 4 decks
+24% synergy
High Synergy Cards
Time Sieve
88% of 8 decks
+85% synergy
Thopter Foundry
83% of 6 decks
+82% synergy
Ancient Den
75% of 8 decks
+70% synergy
Great Furnace
71% of 7 decks
+66% synergy
Jhoira, Weatherlight Captain
71% of 7 decks
+66% synergy
Etherium Sculptor
70% of 10 decks
+65% synergy
Inventors' Fair
65% of 17 decks
+61% synergy
Foundry Inspector
65% of 17 decks
+61% synergy
Vault of Whispers
62% of 8 decks
+58% synergy
Sai, Master Thopterist
60% of 10 decks
+56% synergy
Top Cards
Unwinding Clock
59% of 17 decks
+56% synergy
Daretti, Scrap Savant
57% of 7 decks
+55% synergy
Storm the Vault
57% of 7 decks
+54% synergy
Kuldotha Forgemaster
53% of 17 decks
+52% synergy
Krark-Clan Ironworks
53% of 17 decks
+52% synergy
Sculpting Steel
53% of 17 decks
+51% synergy
Mystic Forge
53% of 17 decks
+50% synergy
Master Transmuter
50% of 10 decks
+49% synergy
Trinket Mage
50% of 10 decks
+48% synergy
Rings of Brighthearth
47% of 17 decks
+46% synergy
Game Changers
Urza, Lord High Artificer
50% of 10 decks
+47% synergy
Bolas's Citadel
50% of 8 decks
+41% synergy
Demonic Tutor
50% of 8 decks
+29% synergy
Mana Vault
29% of 17 decks
+23% synergy
The One Ring
29% of 17 decks
+21% synergy
Grim Monolith
18% of 17 decks
+16% synergy
Ancient Tomb
18% of 17 decks
+8% synergy
Creatures
Sharuum the Hegemon
50% of 6 decks
+48% synergy
Myr Battlesphere
47% of 17 decks
+45% synergy
Filigree Angel
43% of 7 decks
+43% synergy
Goblin Welder
43% of 7 decks
+40% synergy
Shimmer Myr
41% of 17 decks
+40% synergy
Scrap Trawler
41% of 17 decks
+39% synergy
Myr Retriever
41% of 17 decks
+39% synergy
Solemn Simulacrum
41% of 17 decks
+27% synergy
Padeem, Consul of Innovation
40% of 10 decks
+37% synergy
Emry, Lurker of the Loch
40% of 10 decks
+36% synergy
Phyrexian Metamorph
40% of 10 decks
+33% synergy
Baleful Strix
38% of 8 decks
+25% synergy
Esper Sentinel
38% of 8 decks
+18% synergy
Junk Diver
35% of 17 decks
+35% synergy
Liberator, Urza's Battlethopter
35% of 17 decks
+34% synergy
Thought Monitor
30% of 10 decks
+27% synergy
Mycosynth Golem
29% of 17 decks
+29% synergy
Walking Ballista
29% of 17 decks
+27% synergy
Metalworker
24% of 17 decks
+23% synergy
Karn, Legacy Reforged
24% of 17 decks
+23% synergy
Metalwork Colossus
24% of 17 decks
+23% synergy
Blightsteel Colossus
24% of 17 decks
+22% synergy
Steel Overseer
24% of 17 decks
+22% synergy
Jhoira's Familiar
24% of 17 decks
+22% synergy
Wurmcoil Engine
24% of 17 decks
+22% synergy
Arcbound Ravager
18% of 17 decks
+17% synergy
Darksteel Colossus
18% of 17 decks
+17% synergy
Hangarback Walker
18% of 17 decks
+17% synergy
Palladium Myr
18% of 17 decks
+16% synergy
Instants
Swords to Plowshares
38% of 8 decks
-25% synergy
Counterspell
30% of 10 decks
-12% synergy
Sorceries
Fabricate
30% of 10 decks
+24% synergy
All Is Dust
29% of 17 decks
+28% synergy
Utility Artifacts
Clock of Omens
41% of 17 decks
+40% synergy
Skullclamp
41% of 17 decks
+29% synergy
Sword of the Meek
35% of 17 decks
+35% synergy
Nim Deathmantle
35% of 17 decks
+35% synergy
Aetherflux Reservoir
35% of 17 decks
+32% synergy
Sensei's Divining Top
35% of 17 decks
+30% synergy
Swiftfoot Boots
35% of 17 decks
+8% synergy
Decoction Module
29% of 17 decks
+29% synergy
Mirrorworks
29% of 17 decks
+29% synergy
Mycosynth Lattice
29% of 17 decks
+29% synergy
Nevinyrral's Disk
29% of 17 decks
+28% synergy
Darksteel Forge
29% of 17 decks
+28% synergy
Mind Stone
29% of 17 decks
+13% synergy
Retrofitter Foundry
24% of 17 decks
+23% synergy
Aetherworks Marvel
24% of 17 decks
+23% synergy
Voltaic Key
24% of 17 decks
+23% synergy
Lithoform Engine
24% of 17 decks
+22% synergy
Manifold Key
24% of 17 decks
+22% synergy
Ichor Wellspring
24% of 17 decks
+22% synergy
Staff of Domination
24% of 17 decks
+22% synergy
Hedron Archive
24% of 17 decks
+21% synergy
Lightning Greaves
24% of 17 decks
-2% synergy
Fabrication Module
18% of 17 decks
+17% synergy
Animation Module
18% of 17 decks
+17% synergy
Planar Bridge
18% of 17 decks
+17% synergy
Trading Post
18% of 17 decks
+17% synergy
Forsaken Monument
18% of 17 decks
+16% synergy
Cloud Key
18% of 17 decks
+16% synergy
Enchantments
Thopter Spy Network
40% of 10 decks
+36% synergy
Mechanized Production
30% of 10 decks
+27% synergy
Planeswalkers
Tezzeret the Seeker
40% of 10 decks
+38% synergy
Ugin, the Ineffable
24% of 17 decks
+22% synergy
Karn, Living Legacy
18% of 17 decks
+17% synergy
Karn, the Great Creator
18% of 17 decks
+17% synergy
Utility Lands
Buried Ruin
59% of 17 decks
+54% synergy
Darksteel Citadel
53% of 17 decks
+49% synergy
Seat of the Synod
50% of 10 decks
+44% synergy
Fomori Vault
44% of 9 decks
+43% synergy
War Room
41% of 17 decks
+35% synergy
Academy Ruins
40% of 10 decks
+35% synergy
Urza's Saga
35% of 17 decks
+28% synergy
Temple of the False God
35% of 17 decks
+26% synergy
Reliquary Tower
35% of 17 decks
+6% synergy
Urza's Workshop
29% of 17 decks
+29% synergy
Urza's Power Plant
29% of 17 decks
+28% synergy
Urza's Mine
29% of 17 decks
+28% synergy
Urza's Tower
29% of 17 decks
+28% synergy
Rogue's Passage
29% of 17 decks
+9% synergy
Blast Zone
24% of 17 decks
+22% synergy
Shrine of the Forsaken Gods
24% of 17 decks
+22% synergy
Bonders' Enclave
24% of 17 decks
+21% synergy
Treasure Vault
24% of 17 decks
+21% synergy
Strip Mine
24% of 17 decks
+21% synergy
Geier Reach Sanitarium
24% of 17 decks
+20% synergy
Karn's Bastion
24% of 17 decks
+19% synergy
Deserted Temple
18% of 17 decks
+17% synergy
Inkmoth Nexus
18% of 17 decks
+17% synergy
Tomb of the Spirit Dragon
18% of 17 decks
+17% synergy
Ghost Quarter
18% of 17 decks
+15% synergy
Mana Artifacts
Sol Ring
94% of 17 decks
+10% synergy
Dimir Signet
50% of 8 decks
+21% synergy
Arcane Signet
47% of 17 decks
-25% synergy
Basalt Monolith
41% of 17 decks
+39% synergy
Talisman of Dominance
38% of 8 decks
+5% synergy
Thran Dynamo
35% of 17 decks
+30% synergy
Liquimetal Torque
29% of 17 decks
+26% synergy
Everflowing Chalice
29% of 17 decks
+25% synergy
Mana Crypt
29% of 17 decks
+23% synergy
Thought Vessel
29% of 17 decks
+12% synergy
Fellwar Stone
29% of 17 decks
+8% synergy
Blinkmoth Urn
18% of 17 decks
+17% synergy
Mox Amber
18% of 17 decks
+13% synergy
Mox Opal
18% of 17 decks
+13% synergy
Lands
Steam Vents
71% of 7 decks
+33% synergy
Drossforge Bridge
60% of 5 decks
+56% synergy
Blood Crypt
60% of 5 decks
+22% synergy
Command Tower
59% of 17 decks
-15% synergy
Hallowed Fountain
57% of 7 decks
+17% synergy
Mistvault Bridge
50% of 8 decks
+46% synergy
Goldmire Bridge
50% of 6 decks
+45% synergy
Rustvale Bridge
50% of 6 decks
+45% synergy
Dimir Aqueduct
50% of 8 decks
+33% synergy
Raugrin Triome
50% of 6 decks
+24% synergy
Arcane Sanctum
50% of 6 decks
+22% synergy
Sacred Foundry
50% of 6 decks
+15% synergy
Godless Shrine
50% of 6 decks
+10% synergy
Watery Grave
50% of 8 decks
+10% synergy
Exotic Orchard
47% of 17 decks
+11% synergy
Silverbluff Bridge
43% of 7 decks
+37% synergy
Razortide Bridge
43% of 7 decks
+36% synergy
Sulfur Falls
43% of 7 decks
+11% synergy
Darkwater Catacombs
38% of 8 decks
+23% synergy
Morphic Pool
38% of 8 decks
+12% synergy
Spire of Industry
29% of 17 decks
+26% synergy
Hall of Tagsin
24% of 17 decks
+23% synergy
Glimmervoid
24% of 17 decks
+23% synergy
Power Depot
24% of 17 decks
+23% synergy
The Mycosynth Gardens
24% of 17 decks
+22% synergy
Mirrex
18% of 17 decks
+17% synergy