Goblin Welder
Retreat to Coralhelm
Seat of the Synod
Great Furnace

   Prerequisites

What do I need to start this combo?
Seat of the Synod 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 Seat of the Synod from your graveyard to the battlefield.
2
Seat of the Synod enters the battlefield, triggering Retreat to Coralhelm, untapping Goblin Welder.
3
Activate Seat of the Synod by tapping it, adding .
4
Activate Goblin Welder by tapping it, causing you to sacrifice Seat of the Synod 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 blue mana
Infinite landfall triggers
Infinite red mana
Jhoira, Ageless Innovator
1.17% of 2129 decks 25 decks
Saheeli, the Sun's Brilliance
1.14% of 1837 decks 21 decks
Dr. Madison Li
0.24% of 5527 decks 13 decks
Sakashima of a Thousand Faces // Toggo, Goblin Weaponsmith
3.75% of 160 decks 6 decks
Ashnod the Uncaring
0.24% of 2499 decks 6 decks
Glacian, Powerstone Engineer // Toggo, Goblin Weaponsmith
4.59% of 109 decks 5 decks
Breya, Etherium Shaper
0.03% of 15596 decks 5 decks
Silas Renn, Seeker Adept // Toggo, Goblin Weaponsmith
1.72% of 232 decks 4 decks
Ishai, Ojutai Dragonspeaker // Toggo, Goblin Weaponsmith
8.57% of 35 decks 3 decks
Iron Man, Titan of Innovation
0.06% of 5051 decks 3 decks
Thrasios, Triton Hero // Toggo, Goblin Weaponsmith
0.26% of 765 decks 2 decks
Captain America, First Avenger
0.01% of 7638 decks 1 decks
Tetsuo, Imperial Champion
0.04% of 2779 decks 1 decks
Loot, the Key to Everything
0.02% of 4345 decks 1 decks
Bjorna, Nightfall Alchemist // Sophina, Spearsage Deserter
0.62% of 160 decks 1 decks
Jeska, Thrice Reborn // Thrasios, Triton Hero
0.24% of 414 decks 1 decks
Mishra, Eminent One
0.01% of 7254 decks 1 decks
Omnath, Locus of All
0.01% of 14106 decks 1 decks
High Synergy Cards
Tree of Tales
100% of 10 decks +98% synergy
Vault of Whispers
100% of 21 decks +96% synergy
Ancient Den
96% of 28 decks +91% synergy
Dispatch
68% of 28 decks +63% synergy
Guide of Souls
58% of 24 decks +56% synergy
Automated Assembly Line
56% of 25 decks +55% synergy
Darksteel Citadel
58% of 112 decks +54% synergy
Goblin Engineer
54% of 112 decks +51% synergy
Etherium Sculptor
54% of 112 decks +49% synergy
Master Transmuter
49% of 112 decks +48% synergy
Top Cards
Esper Sentinel
61% of 28 decks +41% synergy
Solemn Simulacrum
56% of 112 decks +43% synergy
Tireless Tracker
50% of 10 decks +45% synergy
Tireless Provisioner
50% of 10 decks +39% synergy
Thought Monitor
46% of 112 decks +43% synergy
Path to Exile
46% of 28 decks -0% synergy
Jolted Awake
46% of 24 decks +45% synergy
Emry, Lurker of the Loch
43% of 112 decks +39% synergy
Enthusiastic Mechanaut
43% of 112 decks +39% synergy
Counterspell
42% of 112 decks -0% synergy
Game Changers
Urza, Lord High Artificer
33% of 112 decks +30% synergy
Enlightened Tutor
32% of 28 decks +15% synergy
Cyclonic Rift
26% of 112 decks -0% synergy
Bolas's Citadel
24% of 21 decks +15% synergy
Teferi's Protection
18% of 28 decks -1% synergy
Mana Vault
12% of 112 decks +6% synergy
Field of the Dead
12% of 112 decks +8% synergy
The One Ring
12% of 112 decks +3% synergy
Chrome Mox
8% of 112 decks +2% synergy
Gamble
7% of 112 decks -2% synergy
Creatures
Riptide Gearhulk
42% of 12 decks +39% synergy
Reckless Fireweaver
41% of 112 decks +37% synergy
Peregrin Took
40% of 10 decks +36% synergy
Tatyova, Benthic Druid
40% of 10 decks +28% synergy
Jhoira, Weatherlight Captain
38% of 112 decks +32% synergy
Foundry Inspector
37% of 112 decks +33% synergy
Ruin Ghost
36% of 28 decks +36% synergy
Kappa Cannoneer
36% of 112 decks +33% synergy
Marionette Master
33% of 21 decks +30% synergy
Baleful Strix
33% of 21 decks +21% synergy
Brotherhood Scribe
32% of 25 decks +31% synergy
Phyrexian Metamorph
31% of 112 decks +24% synergy
Brudiclad, Telchor Engineer
30% of 112 decks +27% synergy
Haywire Mite
30% of 10 decks +26% synergy
Ancient Greenwarden
30% of 10 decks +26% synergy
Jaheira, Friend of the Forest
30% of 10 decks +25% synergy
Oracle of Mul Daya
30% of 10 decks +25% synergy
Ramunap Excavator
30% of 10 decks +23% synergy
Azusa, Lost but Seeking
30% of 10 decks +23% synergy
Padeem, Consul of Innovation
29% of 112 decks +26% synergy
Teshar, Ancestor's Apostle
29% of 28 decks +26% synergy
Myr Battlesphere
28% of 112 decks +26% synergy
Wurmcoil Engine
27% of 112 decks +25% synergy
Scrap Trawler
27% of 112 decks +25% synergy
Sai, Master Thopterist
27% of 112 decks +23% synergy
Walking Atlas
26% of 112 decks +25% synergy
Mendicant Core, Guidelight
25% of 12 decks +24% synergy
Roil Cartographer
25% of 77 decks +24% synergy
Liberty Prime, Recharged
24% of 25 decks +22% synergy
Myr Retriever
22% of 112 decks +20% synergy
Kuldotha Forgemaster
21% of 112 decks +21% synergy
Cyberdrive Awakener
21% of 112 decks +19% synergy
The Reality Chip
21% of 112 decks +18% synergy
Meteor Golem
21% of 112 decks +19% synergy
Ob Nixilis, the Fallen
19% of 21 decks +18% synergy
Transit Mage
18% of 44 decks +17% synergy
Marvin, Murderous Mimic
18% of 66 decks +17% synergy
Aethergeode Miner
18% of 28 decks +18% synergy
Shimmer Dragon
18% of 112 decks +16% synergy
Lion Sash
18% of 28 decks +15% synergy
Corridor Monitor
17% of 112 decks +17% synergy
Ingenious Artillerist
17% of 112 decks +15% synergy
Combustible Gearhulk
17% of 112 decks +14% synergy
Sphinx of the Revelation
17% of 24 decks +15% synergy
Triplicate Titan
16% of 112 decks +15% synergy
Spellskite
15% of 112 decks +12% synergy
Ornithopter of Paradise
15% of 112 decks +11% synergy
Imotekh the Stormlord
14% of 21 decks +14% synergy
Dreamscape Artist
14% of 112 decks +14% synergy
Urza, Lord Protector
14% of 28 decks +13% synergy
Instants
Swords to Plowshares
39% of 28 decks -23% synergy
Whir of Invention
35% of 112 decks +32% synergy
An Offer You Can't Refuse
35% of 112 decks +13% synergy
Chaos Warp
32% of 112 decks +1% synergy
Heroic Intervention
30% of 10 decks +0% synergy
Bedevil
29% of 21 decks +15% synergy
Withering Torment
27% of 11 decks +19% synergy
Sejiri Shelter
25% of 28 decks +22% synergy
Silence
25% of 28 decks +19% synergy
Negate
24% of 112 decks +2% synergy
Arcane Denial
23% of 112 decks +3% synergy
Pongify
22% of 112 decks +11% synergy
Dramatic Reversal
21% of 112 decks +17% synergy
Rapid Hybridization
19% of 112 decks +9% synergy
Swan Song
18% of 112 decks +1% synergy
Desynchronization
16% of 76 decks +14% synergy
Mana Drain
15% of 112 decks +0% synergy
Tune the Narrative
14% of 77 decks +14% synergy
Kabira Takedown
14% of 28 decks +13% synergy
Three Steps Ahead
14% of 84 decks +11% synergy
Resculpt
14% of 112 decks +10% synergy
Reality Shift
14% of 112 decks +5% synergy
Galvanic Discharge
13% of 77 decks +12% synergy
Razorgrass Ambush
12% of 24 decks +11% synergy
Fierce Guardianship
12% of 112 decks -6% synergy
Thirst for Knowledge
12% of 112 decks +10% synergy
Abrade
12% of 112 decks +0% synergy
Deflecting Swat
12% of 112 decks -5% synergy
Brainstorm
12% of 112 decks -8% synergy
Flawless Maneuver
11% of 28 decks +1% synergy
Electrosiphon
9% of 87 decks +7% synergy
Masterful Replication
9% of 112 decks +8% synergy
Demand Answers
9% of 94 decks +3% synergy
Shore Up
8% of 112 decks +6% synergy
Rush of Inspiration
8% of 77 decks +6% synergy
Disruption Protocol
7% of 112 decks +7% synergy
Muddle the Mixture
7% of 112 decks +2% synergy
Glimmer of Genius
6% of 112 decks +6% synergy
Stoic Rebuttal
5% of 112 decks +5% synergy
Cerulean Wisps
5% of 112 decks +5% synergy
Mystical Tutor
5% of 112 decks -9% synergy
Aether Spike
5% of 76 decks +5% synergy
Sink into Stupor
5% of 77 decks -4% synergy
Sorceries
Farseek
40% of 10 decks +5% synergy
Fabricate
38% of 112 decks +33% synergy
Feed the Swarm
38% of 21 decks +21% synergy
Wrath of the Skies
38% of 24 decks +37% synergy
Blasphemous Act
37% of 112 decks +3% synergy
Thoughtcast
30% of 112 decks +27% synergy
Three Visits
30% of 10 decks +6% synergy
Nature's Lore
30% of 10 decks -2% synergy
Vandalblast
20% of 112 decks +4% synergy
Terisiare's Devastation
19% of 21 decks +19% synergy
Trash for Treasure
18% of 112 decks +17% synergy
Localized Destruction
17% of 24 decks +16% synergy
Rise and Shine
14% of 112 decks +13% synergy
Farewell
14% of 28 decks +2% synergy
Scrap Mastery
13% of 112 decks +13% synergy
One with the Machine
13% of 112 decks +12% synergy
Season of Weaving
11% of 73 decks +9% synergy
Wake the Past
11% of 28 decks +8% synergy
Jeska's Will
11% of 112 decks -6% synergy
Nahiri's Lithoforming
10% of 112 decks +9% synergy
Faithless Looting
9% of 112 decks -7% synergy
Saheeli's Directive
8% of 112 decks +8% synergy
Rite of Replication
7% of 112 decks +4% synergy
Reverse Engineer
6% of 112 decks +6% synergy
Reshape
6% of 112 decks +5% synergy
Reckless Handling
6% of 112 decks +5% synergy
Sea Gate Restoration
6% of 112 decks +2% synergy
Forging the Anchor
5% of 112 decks +5% synergy
Indomitable Creativity
5% of 112 decks +5% synergy
Universal Surveillance
5% of 112 decks +5% synergy
Expressive Iteration
5% of 112 decks -1% synergy
Wheel of Potential
5% of 77 decks +5% synergy
Utility Artifacts
Thopter Foundry
50% of 6 decks +48% synergy
Conduit of Worlds
40% of 10 decks +34% synergy
Shorikai, Genesis Engine
39% of 28 decks +37% synergy
Lightning Greaves
38% of 112 decks +12% synergy
Unwinding Clock
37% of 112 decks +34% synergy
Time Sieve
33% of 21 decks +31% synergy
Wayfarer's Bauble
33% of 112 decks +24% synergy
Krark-Clan Ironworks
31% of 112 decks +30% synergy
Bootleggers' Stash
30% of 10 decks +28% synergy
Ichor Wellspring
29% of 112 decks +28% synergy
Sensei's Divining Top
29% of 112 decks +24% synergy
Mystic Forge
28% of 112 decks +25% synergy
Esoteric Duplicator
26% of 84 decks +26% synergy
Sculpting Steel
26% of 112 decks +24% synergy
Cranial Ram
25% of 12 decks +24% synergy
Mind Stone
24% of 112 decks +8% synergy
Executioner's Capsule
24% of 21 decks +23% synergy
Cranial Plating
24% of 21 decks +22% synergy
Swiftfoot Boots
23% of 112 decks -4% synergy
Clock of Omens
22% of 112 decks +21% synergy
Encroaching Mycosynth
22% of 112 decks +21% synergy
Glass Casket
21% of 28 decks +21% synergy
Crucible of Worlds
21% of 112 decks +19% synergy
Illusionist's Bracers
21% of 112 decks +19% synergy
Portal to Phyrexia
21% of 112 decks +19% synergy
Thousand-Year Elixir
21% of 112 decks +19% synergy
Sting, the Glinting Dagger
20% of 109 decks +19% synergy
Nihil Spellbomb
19% of 21 decks +18% synergy
Oni-Cult Anvil
19% of 21 decks +17% synergy
Cloud Key
19% of 112 decks +17% synergy
Portable Hole
18% of 28 decks +17% synergy
Mishra's Bauble
18% of 112 decks +17% synergy
Idol of Oblivion
17% of 112 decks +12% synergy
Mirrorworks
16% of 112 decks +15% synergy
Staff of Domination
16% of 112 decks +14% synergy
Aetherflux Conduit
16% of 44 decks +15% synergy
Izzet Generatorium
16% of 77 decks +14% synergy
Worldwalker Helm
15% of 84 decks +14% synergy
Panharmonicon
15% of 112 decks +11% synergy
Skullclamp
15% of 112 decks +3% synergy
Prototype Portal
14% of 112 decks +14% synergy
Spine of Ish Sah
14% of 112 decks +13% synergy
Aether Refinery
14% of 77 decks +13% synergy
Unstable Amulet
14% of 77 decks +13% synergy
Simulacrum Synthesizer
14% of 84 decks +13% synergy
Rings of Brighthearth
13% of 112 decks +12% synergy
Isochron Scepter
13% of 112 decks +11% synergy
Lotus Petal
13% of 112 decks +7% synergy
Decoction Module
12% of 112 decks +12% synergy
Mycosynth Wellspring
12% of 112 decks +12% synergy
Enchantments
Doubling Season
30% of 10 decks +20% synergy
Retreat to Hagra
24% of 21 decks +22% synergy
Storm the Vault
22% of 112 decks +19% synergy
Rhystic Study
21% of 112 decks -5% synergy
Freed from the Real
21% of 112 decks +19% synergy
Valakut Exploration
18% of 112 decks +16% synergy
Mechanized Production
18% of 112 decks +15% synergy
Thopter Spy Network
18% of 112 decks +14% synergy
Felidar Retreat
18% of 28 decks +11% synergy
Aether Revolt
17% of 77 decks +16% synergy
Intruder Alarm
14% of 112 decks +12% synergy
Mystic Remora
12% of 112 decks -5% synergy
Ghirapur Aether Grid
12% of 112 decks +11% synergy
Mirrodin Besieged
12% of 112 decks +10% synergy
Unstoppable Plan
11% of 44 decks +9% synergy
Retreat to Emeria
11% of 28 decks +10% synergy
Determined Iteration
11% of 112 decks +10% synergy
Pemmin's Aura
11% of 112 decks +10% synergy
Whirlwind of Thought
11% of 28 decks +0% synergy
Smothering Tithe
11% of 28 decks -13% synergy
Artificer Class
10% of 112 decks +9% synergy
Trade Routes
9% of 112 decks +8% synergy
All Will Be One
8% of 112 decks +6% synergy
Excavation
7% of 112 decks +7% synergy
Retreat to Valakut
6% of 112 decks +6% synergy
Planeswalkers
Oko, Thief of Crowns
30% of 10 decks +25% synergy
Daretti, Scrap Savant
28% of 112 decks +26% synergy
Tezzeret, Master of the Bridge
14% of 21 decks +12% synergy
Tezzeret the Seeker
12% of 112 decks +10% synergy
Saheeli, Filigree Master
11% of 112 decks +10% synergy
Saheeli, the Gifted
9% of 112 decks +8% synergy
Saheeli, Sublime Artificer
9% of 112 decks +5% synergy
Karn, the Great Creator
7% of 112 decks +6% synergy
Tezzeret, Artifice Master
5% of 112 decks +4% synergy
Utility Lands
Inventors' Fair
47% of 112 decks +44% synergy
Buried Ruin
39% of 112 decks +34% synergy
Academy Ruins
33% of 112 decks +28% synergy
Reliquary Tower
32% of 112 decks +2% synergy
Treasure Vault
31% of 112 decks +29% synergy
Fomori Vault
31% of 84 decks +30% synergy
Boseiju, Who Endures
30% of 10 decks +11% synergy
Archway of Innovation
29% of 76 decks +26% synergy
Urza's Saga
23% of 112 decks +16% synergy
Minamo, School at Water's Edge
17% of 112 decks +13% synergy
Otawara, Soaring City
17% of 112 decks +1% synergy
Oboro, Palace in the Clouds
10% of 112 decks +9% synergy
Terrain Generator
10% of 112 decks +9% synergy
Thespian's Stage
7% of 112 decks +5% synergy
Ancient Tomb
7% of 112 decks -3% synergy
Rogue's Passage
7% of 112 decks -13% synergy
Amonkhet Raceway
7% of 44 decks +6% synergy
Muraganda Raceway
7% of 44 decks +5% synergy
Restless Spire
7% of 103 decks +5% synergy
Vesuva
6% of 112 decks +5% synergy
Guildless Commons
6% of 112 decks +5% synergy
Valakut, the Molten Pinnacle
6% of 112 decks +4% synergy
Mystic Sanctuary
6% of 112 decks -5% synergy
HELIOS One
6% of 87 decks +5% synergy
Blinkmoth Nexus
5% of 112 decks +5% synergy
Mutavault
5% of 112 decks +4% synergy
Tolaria West
5% of 112 decks +4% synergy
Urza's Power Plant
5% of 112 decks +4% synergy
Urza's Mine
5% of 112 decks +4% synergy
Urza's Tower
5% of 112 decks +4% synergy
Arena of Glory
5% of 77 decks -1% synergy
Mana Artifacts
Sol Ring
89% of 112 decks +5% synergy
Arcane Signet
84% of 112 decks +12% synergy
Talisman of Creativity
46% of 112 decks +17% synergy
Izzet Signet
37% of 112 decks +9% synergy
Dimir Signet
33% of 21 decks +5% synergy
Rakdos Signet
33% of 21 decks +5% synergy
Talisman of Progress
32% of 28 decks +8% synergy
Liquimetal Torque
27% of 112 decks +24% synergy
Cursed Mirror
25% of 112 decks +20% synergy
Fellwar Stone
24% of 112 decks +3% synergy
Talisman of Indulgence
24% of 21 decks -3% synergy
Talisman of Dominance
24% of 21 decks -8% synergy
Thran Dynamo
20% of 112 decks +15% synergy
Patriar's Seal
18% of 112 decks +16% synergy
Thought Vessel
18% of 112 decks +1% synergy
Boros Signet
14% of 28 decks -8% synergy
Talisman of Conviction
14% of 28 decks -10% synergy
Azorius Signet
14% of 28 decks -11% synergy
Machine God's Effigy
12% of 112 decks +11% synergy
Mox Amber
12% of 112 decks +8% synergy
Mox Opal
12% of 112 decks +8% synergy
Everflowing Chalice
12% of 112 decks +7% synergy
Basalt Monolith
11% of 112 decks +8% synergy
Coveted Jewel
10% of 112 decks +9% synergy
Misleading Signpost
10% of 103 decks +8% synergy
Gilded Lotus
9% of 112 decks +6% synergy
Chromatic Lantern
9% of 112 decks -0% synergy
Solar Transformer
8% of 77 decks +7% synergy
Aetheric Amplifier
7% of 44 decks +6% synergy
Crystal Skull, Isu Spyglass
7% of 76 decks +5% synergy
The Mightstone and Weakstone
6% of 112 decks +6% synergy
Paradise Mantle
5% of 112 decks +5% synergy
Midnight Clock
5% of 112 decks +0% synergy
Mana Crypt
5% of 112 decks -0% synergy
Conversion Apparatus
5% of 77 decks +5% synergy
Lands
Breeding Pool
90% of 10 decks +50% synergy
Command Tower
88% of 112 decks +13% synergy
Stomping Ground
80% of 10 decks +40% synergy
Drossforge Bridge
71% of 21 decks +68% synergy
Mistvault Bridge
67% of 21 decks +62% synergy
Silverbluff Bridge
65% of 112 decks +60% synergy
Sacred Foundry
64% of 28 decks +29% synergy
Hallowed Fountain
64% of 28 decks +24% synergy
Steam Vents
62% of 112 decks +24% synergy
Slagwoods Bridge
60% of 10 decks +57% synergy
Tanglepool Bridge
60% of 10 decks +57% synergy
Glacial Fortress
54% of 28 decks +25% synergy
Sulfur Falls
54% of 112 decks +21% synergy
Watery Grave
52% of 21 decks +12% synergy
Goldmire Bridge
50% of 6 decks +46% synergy
Clifftop Retreat
50% of 28 decks +19% synergy
Ketria Triome
50% of 10 decks +18% synergy
Training Center
45% of 112 decks +18% synergy
Izzet Boilerworks
44% of 112 decks +28% synergy
Scalding Tarn
43% of 112 decks +32% synergy
Sea of Clouds
43% of 28 decks +17% synergy
Blood Crypt
43% of 21 decks +5% synergy
Gruul Turf
40% of 10 decks +25% synergy
Simic Growth Chamber
40% of 10 decks +21% synergy
Raugrin Triome
36% of 28 decks +10% synergy
Shivan Reef
36% of 112 decks +8% synergy
Xander's Lounge
33% of 21 decks +8% synergy
Crumbling Necropolis
33% of 21 decks +2% synergy
Stormcarved Coast
33% of 112 decks +15% synergy
Razortide Bridge
32% of 28 decks +26% synergy
Spire Garden
30% of 10 decks +6% synergy
Rejuvenating Springs
30% of 10 decks +2% synergy
Rustvale Bridge
29% of 28 decks +24% synergy
Cascade Bluffs
29% of 112 decks +16% synergy
Dimir Aqueduct
29% of 21 decks +12% synergy
Luxury Suite
29% of 21 decks +3% synergy
Battlefield Forge
29% of 28 decks +2% synergy
Dragonskull Summit
29% of 21 decks -4% synergy
Spire of Industry
28% of 112 decks +25% synergy
Haunted Ridge
24% of 21 decks +7% synergy
Morphic Pool
24% of 21 decks -2% synergy
Drowned Catacomb
24% of 21 decks -3% synergy
Exotic Orchard
23% of 112 decks -13% synergy
Fabled Passage
21% of 112 decks +12% synergy
Arid Mesa
21% of 112 decks +10% synergy
Terramorphic Expanse
21% of 112 decks +5% synergy
Myriad Landscape
21% of 112 decks +2% synergy
Thundering Falls
20% of 93 decks +12% synergy
Flooded Strand
20% of 112 decks +9% synergy
Rakdos Carnarium
19% of 21 decks +5% synergy