Goblin Welder
Retreat to Coralhelm
Ancient Den
Great Furnace

   Prerequisites

What do I need to start this combo?
Ancient Den in your graveyard.
All other permanents on the battlefield.
Goblin Welder does not have summoning sickness.

   Steps

How does this combo work?
1
Activate Goblin Welder by tapping it, causing you to sacrifice Great Furnace and return Ancient Den from your graveyard to the battlefield.
2
Ancient Den enters the battlefield, triggering Retreat to Coralhelm, untapping Goblin Welder.
3
Activate Ancient Den by tapping it, adding .
4
Activate Goblin Welder by tapping it, causing you to sacrifice Ancient Den and return Great Furnace from your graveyard to the battlefield.
5
Great Furnace enters the battlefield, triggering Retreat to Coralhelm, untapping Goblin Welder.
6
Activate Great Furnace by tapping it, adding .
7
Repeat.

   Results

What do I get from this combo?
Infinite landfall triggers
Infinite red mana
Infinite white mana
Dr. Madison Li
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Breya, Etherium Shaper
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Kilo, Apogee Mind
0.0%inclusion2 decks11.7K decks
Garth One-Eye
0.0%inclusion2 decks4.82K decks
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Cayth, Famed Mechanist
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12%synergy
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12%synergy
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12%synergy
Encroaching Mycosynth
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7%synergy
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6%synergy
Sword of the Animist
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5%synergy
Swiftfoot Boots
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Enchantments
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38%inclusion12 decks32 decks
37%synergy
All Will Be One
25%inclusion8 decks32 decks
23%synergy
Mechanized Production
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16%synergy
Storm the Vault
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13%synergy
Unstoppable Plan
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12%synergy
Felidar Retreat
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7%synergy
Whirlwind of Thought
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4%synergy
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9.4%inclusion3 decks32 decks
9%synergy
Bitter Reunion
9.4%inclusion3 decks32 decks
8%synergy
Mystic Remora
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-7%synergy
Planeswalkers
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13%inclusion4 decks32 decks
11%synergy
Utility Lands
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37%synergy
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37%synergy
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15%synergy
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24%synergy
Talisman of Progress
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0%synergy
Paradise Mantle
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21%synergy
Lotus Petal
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15%synergy
Chromatic Lantern
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13%synergy
Solar Transformer
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18%synergy
Fellwar Stone
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Aetheric Amplifier
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17%synergy
Machine God's Effigy
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Talisman of Conviction
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Cursed Mirror
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7%synergy
Commander's Sphere
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Thought Vessel
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Conversion Apparatus
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9%synergy
Liquimetal Torque
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7%synergy
Mind Stone
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Azorius Signet
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-12%synergy
Izzet Signet
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Lands
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Slagwoods Bridge
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73%synergy
Tanglepool Bridge
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73%synergy
Ketria Triome
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44%synergy
Steam Vents
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28%synergy
Hallowed Fountain
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26%synergy
Spire of Industry
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59%synergy
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23%synergy
Training Center
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28%synergy
Luxury Suite
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26%synergy
Glacial Fortress
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17%synergy
Sulfur Falls
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15%synergy
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23%synergy
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12%synergy
Scalding Tarn
44%inclusion14 decks32 decks
33%synergy
Sea of Clouds
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19%synergy
Aether Hub
41%inclusion13 decks32 decks
40%synergy
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30%synergy
Drossforge Bridge
38%inclusion3 decks8 decks
34%synergy
Goldmire Bridge
38%inclusion3 decks8 decks
34%synergy
Mistvault Bridge
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Razortide Bridge
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Raffine's Tower
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Exotic Orchard
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1%synergy
Silverbluff Bridge
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29%synergy
Rustvale Bridge
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26%synergy
Cascade Bluffs
28%inclusion9 decks32 decks
14%synergy
Spectator Seating
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5%synergy
Stormcarved Coast
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6%synergy
Battlefield Forge
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-4%synergy
Fabled Passage
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13%synergy
Mana Confluence
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12%synergy
Riverglide Pathway
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11%synergy
Thundering Falls
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10%synergy
Deserted Beach
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2%synergy
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10%synergy
Elegant Parlor
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8%synergy
Meticulous Archive
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7%synergy
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4%synergy
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