Goblin Welder + Retreat to Coralhelm + Darksteel Citadel + Ancient Den

Goblin Welder
Retreat to Coralhelm
Darksteel Citadel
Ancient Den
Requires
Goblin Welder must be on the battlefield. Retreat to Coralhelm must be on the battlefield. Darksteel Citadel must be in the graveyard. Ancient Den must be on the battlefield. Goblin Welder does not have summoning sickness.
Steps
  1. Activate Goblin Welder by tapping it, causing you to sacrifice Ancient Den and return Darksteel Citadel from your graveyard to the battlefield.
  2. Darksteel Citadel enters the battlefield, triggering Retreat to Coralhelm, untapping Goblin Welder.
  3. Activate Darksteel Citadel by tapping it, adding .
  4. Activate Goblin Welder by tapping it, causing you to sacrifice Darksteel Citadel and return Ancient Den from your graveyard to the battlefield.
  5. Ancient Den enters the battlefield, triggering Retreat to Coralhelm, untapping Goblin Welder.
  6. Activate Ancient Den by tapping it, adding .
  7. Repeat.
Results
Infinite colorless mana. Infinite landfall triggers. Infinite white mana.
Ishai, Ojutai Dragonspeaker // Toggo, Goblin Weaponsmith
11.43% of 35 decks 4 decks
Breya, Etherium Shaper
0.01% of 13853 decks 2 decks
Dr. Madison Li
0.03% of 3967 decks 1 decks
Liberty Prime, Recharged
0.03% of 2915 decks 1 decks
Bjorna, Nightfall Alchemist // Sophina, Spearsage Deserter
0.63% of 158 decks 1 decks
High Synergy Cards
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Great Furnace
100% of 9 decks +94% synergy
Seat of the Synod
100% of 9 decks +94% synergy
Esper Sentinel
78% of 9 decks +57% synergy
Ruin Ghost
56% of 9 decks +55% synergy
Foundry Inspector
56% of 9 decks +51% synergy
Etherium Sculptor
56% of 9 decks +50% synergy
Krark-Clan Ironworks
44% of 9 decks +43% synergy
Treasure Vault
44% of 9 decks +42% synergy
Urza, Lord High Artificer
44% of 9 decks +41% synergy
Goblin Engineer
44% of 9 decks +41% synergy
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Reckless Fireweaver
44% of 9 decks +40% synergy
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44% of 9 decks +39% synergy
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44% of 9 decks +37% synergy
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44% of 9 decks +17% synergy
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100% of 1 decks +99% synergy
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100% of 1 decks +97% synergy
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100% of 1 decks +96% synergy
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Hell's Caretaker
50% of 2 decks +50% synergy
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50% of 4 decks +49% synergy
Roil Cartographer
50% of 2 decks +49% synergy
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50% of 2 decks +48% synergy
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50% of 2 decks +47% synergy
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50% of 2 decks +35% synergy
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33% of 9 decks +31% synergy
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33% of 9 decks +30% synergy
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33% of 9 decks +30% synergy
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33% of 9 decks +27% synergy
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33% of 9 decks +19% synergy
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22% of 9 decks +22% synergy
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22% of 9 decks +22% synergy
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22% of 9 decks +19% synergy
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50% of 2 decks +49% synergy
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22% of 9 decks +7% synergy
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11% of 9 decks +11% synergy
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17% of 6 decks +15% synergy
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11% of 9 decks +11% synergy
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100% of 1 decks +99% synergy
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50% of 2 decks +48% synergy
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22% of 9 decks +20% synergy
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22% of 9 decks +4% synergy
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22% of 9 decks -3% synergy
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17% of 6 decks +13% synergy
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14% of 7 decks +13% synergy
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12% of 8 decks +11% synergy
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11% of 9 decks +11% synergy
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11% of 9 decks +11% synergy
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11% of 9 decks +11% synergy
March of the Machines
11% of 9 decks +11% synergy
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11% of 9 decks +11% synergy
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11% of 9 decks +10% synergy
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11% of 9 decks +10% synergy
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11% of 9 decks +10% synergy
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11% of 9 decks +10% synergy
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11% of 9 decks +10% synergy
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11% of 9 decks +10% synergy
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11% of 9 decks +9% synergy
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11% of 9 decks +9% synergy
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11% of 9 decks +8% synergy
Thopter Spy Network
11% of 9 decks +8% synergy
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11% of 9 decks +7% synergy
Land Tax
11% of 9 decks +4% synergy
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11% of 9 decks -0% synergy
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11% of 9 decks -0% synergy
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11% of 9 decks +10% synergy
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11% of 9 decks +10% synergy
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11% of 9 decks +10% synergy
Ugin, the Ineffable
11% of 9 decks +9% synergy
Daretti, Scrap Savant
11% of 9 decks +9% synergy
Tezzeret the Seeker
11% of 9 decks +9% synergy
Utility Lands
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100% of 2 decks +98% synergy
Vault of Whispers
100% of 2 decks +96% synergy
Oboro, Palace in the Clouds
33% of 9 decks +33% synergy
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Inventors' Fair
33% of 9 decks +29% synergy
Buried Ruin
33% of 9 decks +28% synergy
Reliquary Tower
33% of 9 decks +4% synergy
HELIOS One
25% of 4 decks +24% synergy
Guildless Commons
22% of 9 decks +21% synergy
Urza's Saga
22% of 9 decks +15% synergy
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11% of 9 decks +11% synergy
Phyrexia's Core
11% of 9 decks +11% synergy
Throne of the High City
11% of 9 decks +11% synergy
Barbarian Ring
11% of 9 decks +10% synergy
Drownyard Temple
11% of 9 decks +10% synergy
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11% of 9 decks +9% synergy
Field of the Dead
11% of 9 decks +8% synergy
Academy Ruins
11% of 9 decks +6% synergy
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11% of 9 decks +1% synergy
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11% of 9 decks +1% synergy
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11% of 9 decks -1% synergy
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100% of 1 decks +99% synergy
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100% of 9 decks +28% synergy
Sol Ring
100% of 9 decks +16% synergy
Talisman of Hierarchy
50% of 2 decks +25% synergy
Talisman of Indulgence
50% of 2 decks +24% synergy
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Talisman of Dominance
50% of 2 decks +19% synergy
Boros Signet
44% of 9 decks +21% synergy
Azorius Signet
44% of 9 decks +18% synergy
Izzet Signet
44% of 9 decks +16% synergy
Sonic Screwdriver
25% of 4 decks +24% synergy
Misleading Signpost
25% of 4 decks +23% synergy
Mox Amber
22% of 9 decks +18% synergy
Mox Opal
22% of 9 decks +18% synergy
Mana Vault
22% of 9 decks +16% synergy
Commander's Sphere
22% of 9 decks +7% synergy
Thought Vessel
22% of 9 decks +5% synergy
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Fellwar Stone
22% of 9 decks +1% synergy
Talisman of Progress
22% of 9 decks -0% synergy
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22% of 9 decks -7% synergy
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14% of 7 decks +13% synergy
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14% of 7 decks +13% synergy
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11% of 9 decks +11% synergy
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11% of 9 decks +11% synergy
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11% of 9 decks +10% synergy
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11% of 9 decks +10% synergy
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11% of 9 decks +10% synergy
Grim Monolith
11% of 9 decks +9% synergy
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Liquimetal Torque
11% of 9 decks +7% synergy
Marble Diamond
11% of 9 decks +7% synergy
Sky Diamond
11% of 9 decks +6% synergy
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11% of 9 decks +6% synergy
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11% of 9 decks +6% synergy
Fire Diamond
11% of 9 decks +6% synergy
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11% of 9 decks +5% synergy
Chrome Mox
11% of 9 decks +5% synergy
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11% of 9 decks +4% synergy
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11% of 9 decks +2% synergy
Chromatic Lantern
11% of 9 decks +2% synergy
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Mind Stone
11% of 9 decks -6% synergy
Talisman of Conviction
11% of 9 decks -12% synergy
Lands
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67% of 9 decks +60% synergy
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67% of 9 decks +56% synergy
Scalding Tarn
67% of 9 decks +56% synergy
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67% of 9 decks -7% synergy
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56% of 9 decks +50% synergy
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56% of 9 decks +45% synergy
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56% of 9 decks +16% synergy
Hallowed Fountain
56% of 9 decks +15% synergy
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50% of 2 decks +46% synergy
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50% of 2 decks +45% synergy
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50% of 2 decks +45% synergy
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50% of 2 decks +24% synergy
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50% of 2 decks +23% synergy
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50% of 2 decks +22% synergy
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50% of 2 decks +22% synergy
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50% of 2 decks +11% synergy
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50% of 2 decks +9% synergy
Silverbluff Bridge
44% of 9 decks +38% synergy
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44% of 9 decks +8% synergy
Spire of Industry
33% of 9 decks +30% synergy
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33% of 9 decks +19% synergy
Boros Garrison
33% of 9 decks +18% synergy
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33% of 9 decks +18% synergy
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33% of 9 decks +17% synergy
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33% of 9 decks +12% synergy
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25% of 4 decks +25% synergy
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22% of 9 decks +22% synergy
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22% of 9 decks +21% synergy
Plateau
22% of 9 decks +10% synergy
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22% of 9 decks +8% synergy
Myriad Landscape
22% of 9 decks +2% synergy
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22% of 9 decks -3% synergy
Training Center
22% of 9 decks -5% synergy
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22% of 9 decks -6% synergy
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22% of 9 decks -8% synergy
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17% of 6 decks +14% synergy
Obscura Storefront
12% of 8 decks +11% synergy
Maestros Theater
12% of 8 decks +11% synergy
Brokers Hideout
12% of 8 decks +11% synergy
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12% of 8 decks +11% synergy
Riveteers Overlook
12% of 8 decks +11% synergy
Gemstone Caverns
11% of 9 decks +6% synergy
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Reflecting Pool
11% of 9 decks +6% synergy
Hengegate Pathway
11% of 9 decks +4% synergy
Riverglide Pathway
11% of 9 decks +2% synergy
Fabled Passage
11% of 9 decks +2% synergy
Needleverge Pathway
11% of 9 decks +2% synergy
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11% of 9 decks +1% synergy
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11% of 9 decks -0% synergy
Marsh Flats
11% of 9 decks -0% synergy
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