Mechtitan Core + Prototype Portal + Myr Battlesphere + Dross Scorpion + Ashnod's Altar
Mechtitan Core
Prototype Portal
Myr Battlesphere
Dross Scorpion
Ashnod's Altar
Requires
Mechtitan Core must be in exile (exiled by Prototype Portal).
Prototype Portal must be on the battlefield.
Myr Battlesphere must be on the battlefield.
Dross Scorpion must be on the battlefield.
Ashnod's Altar must be on the battlefield.
You control at least three other nontoken artifact creatures and/or nontoken Vehicles.
Mana needed: 
Steps
- Activate Prototype Portal by paying
and tapping it, creating a token copy of Mechtitan Core. - Activate the Mechtitan Core token by paying
and exiling it, Myr Battlesphere, and any three other nontoken artifact creatures and/or nontoken Vehicles, creating a 10/10 Mechtitan creature token. - Activate Ashnod's Altar by sacrificing the Mechtitan token, adding .
- The Mechtitan token dies, triggering Dross Scorpion and Mechtitan Core.
- Resolve the Dross Scorpion trigger, untapping Prototype Portal.
- Resolve the Mechtitan Core token trigger, returning all other cards exiled by it to the battlefield tapped.
- Myr Battlesphere enters the battlefield, creating four 1/1 Myr artifact creature tokens.
- Activate Ashnod's Altar three times by sacrificing three Myr tokens, adding .
- Dross Scorpion triggers three times, allowing you to untap up to three artifacts you control.
- Repeat.
Results
Infinite blinking of nontoken artifact creatures you control. Infinite blinking of nontoken Vehicles you control. Infinite colorless mana. Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite mana artifacts you control can produce. Infinite sacrifice triggers. Infinite untap of artifacts you control.
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Planeswalkers
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10% of 10 decks
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+6% synergy
Field of the Dead
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+6% synergy
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+6% synergy
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+3% synergy
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10% of 10 decks
+0% synergy
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-9% synergy
Mana Artifacts
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80% of 10 decks
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Sol Ring
80% of 10 decks
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Basalt Monolith
50% of 10 decks
+47% synergy
Fire Diamond
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Talisman of Creativity
50% of 2 decks
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Izzet Signet
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+43% synergy
Dreamstone Hedron
40% of 10 decks
+39% synergy
Talisman of Progress
40% of 5 decks
+35% synergy
Fellwar Stone
40% of 10 decks
+19% synergy
Dimir Signet
33% of 3 decks
+26% synergy
Liquimetal Torque
30% of 10 decks
+26% synergy
Mox Opal
30% of 10 decks
+26% synergy
Everflowing Chalice
30% of 10 decks
+25% synergy
Thran Dynamo
30% of 10 decks
+25% synergy
Commander's Sphere
30% of 10 decks
+14% synergy
Mind Stone
30% of 10 decks
+12% synergy
Sonic Screwdriver
25% of 4 decks
+23% synergy
Hedron Archive
20% of 10 decks
+17% synergy
Azorius Signet
20% of 5 decks
+14% synergy
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20% of 10 decks
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Mana Crypt
20% of 10 decks
+9% synergy
Sky Diamond
14% of 7 decks
+12% synergy
Sceptre of Eternal Glory
12% of 8 decks
+11% synergy
Patriar's Seal
12% of 8 decks
+11% synergy
Myr Reservoir
10% of 10 decks
+10% synergy
Blinkmoth Urn
10% of 10 decks
+9% synergy
Unstable Obelisk
10% of 10 decks
+9% synergy
Darksteel Ingot
10% of 10 decks
+9% synergy
Pristine Talisman
10% of 10 decks
+9% synergy
Chromatic Orrery
10% of 10 decks
+8% synergy
Grim Monolith
10% of 10 decks
+8% synergy
Gilded Lotus
10% of 10 decks
+6% synergy
Mox Amber
10% of 10 decks
+6% synergy
Lotus Petal
10% of 10 decks
+3% synergy
Jeweled Lotus
10% of 10 decks
+2% synergy
Chromatic Lantern
10% of 10 decks
+0% synergy
Thought Vessel
10% of 10 decks
-6% synergy
Lands
Thornglint Bridge
100% of 1 decks
+100% synergy
Slagwoods Bridge
100% of 1 decks
+99% synergy
Darkmoss Bridge
100% of 1 decks
+99% synergy
Tanglepool Bridge
100% of 2 decks
+99% synergy
Drossforge Bridge
100% of 1 decks
+99% synergy
Rustvale Bridge
100% of 1 decks
+99% synergy
Mistvault Bridge
100% of 3 decks
+99% synergy
Opulent Palace
100% of 1 decks
+97% synergy
Deathcap Glade
100% of 1 decks
+97% synergy
Undergrowth Stadium
100% of 1 decks
+94% synergy
Woodland Cemetery
100% of 1 decks
+94% synergy
Port Town
80% of 5 decks
+77% synergy
Prairie Stream
80% of 5 decks
+73% synergy
Goldmire Bridge
67% of 3 decks
+65% synergy
Razortide Bridge
60% of 5 decks
+58% synergy
Command Tower
60% of 10 decks
-14% synergy
Silverbluff Bridge
50% of 2 decks
+49% synergy
Dreamroot Cascade
50% of 2 decks
+46% synergy
Hinterland Harbor
50% of 2 decks
+44% synergy
Nimbus Maze
40% of 5 decks
+39% synergy
Irrigated Farmland
40% of 5 decks
+38% synergy
Skycloud Expanse
40% of 5 decks
+37% synergy
Spire of Industry
40% of 10 decks
+37% synergy
Deserted Beach
40% of 5 decks
+36% synergy
Adarkar Wastes
40% of 5 decks
+36% synergy
Glacial Fortress
40% of 5 decks
+35% synergy
Sea of Clouds
40% of 5 decks
+34% synergy
Hallowed Fountain
40% of 5 decks
+31% synergy
Exotic Orchard
40% of 10 decks
+5% synergy
Wizards' School
33% of 3 decks
+33% synergy
Arcane Sanctum
33% of 3 decks
+30% synergy
Raffine's Tower
33% of 3 decks
+30% synergy
Orzhov Basilica
33% of 3 decks
+30% synergy
Dimir Aqueduct
33% of 3 decks
+29% synergy
Shipwreck Marsh
33% of 3 decks
+29% synergy
Drowned Catacomb
33% of 3 decks
+27% synergy
Morphic Pool
33% of 3 decks
+27% synergy
Power Depot
20% of 10 decks
+19% synergy
Tundra
20% of 5 decks
+17% synergy
Azorius Chancery
20% of 5 decks
+17% synergy
Temple of Enlightenment
20% of 5 decks
+16% synergy
Flooded Strand
20% of 10 decks
+10% synergy
Evolving Wilds
10% of 10 decks
-11% synergy