Feldon of the Third Path + Priest of Urabrask + Thornbite Staff + Krark-Clan Ironworks
Feldon of the Third Path
Priest of Urabrask
Thornbite Staff
Krark-Clan Ironworks
Requires
Feldon of the Third Path must be on the battlefield.
Priest of Urabrask must be in the graveyard.
Thornbite Staff must be on the battlefield.
Krark-Clan Ironworks must be on the battlefield.
Thornbite Staff attached to Feldon.
Feldon does not have summoning sickness.
Mana needed: 
Steps
- Activate Feldon by paying and tapping it, creating a token copy of Priest of Urabrask that is an artifact in addition to its other types.
- When Priest of Urabrask enters the battlefield, it triggers, adding .
- Activate Krark-Clan Ironworks by sacrificing Priest of Urabrask, adding .
- When Priest of Urabrask dies, Feldon triggers, untapping Feldon.
- Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite red mana. Infinite sacrifice triggers.
Feldon of the Third Path
0.16% of 1904 decks
3 decks
Jaxis, the Troublemaker
0.08% of 1320 decks
1 decks
Zirilan of the Claw
0.16% of 644 decks
1 decks
Krenko, Baron of Tin Street
0.12% of 816 decks
1 decks
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+94% synergy
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100% of 6 decks
+93% synergy
Kiki-Jiki, Mirror Breaker
83% of 6 decks
+71% synergy
Goblin Engineer
83% of 6 decks
+70% synergy
Altar of Dementia
67% of 6 decks
+66% synergy
Goblin Bombardment
83% of 6 decks
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Phyrexian Altar
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+63% synergy
Zealous Conscripts
67% of 6 decks
+61% synergy
Goblin Welder
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+55% synergy
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Top Cards
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83% of 6 decks
+38% synergy
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+20% synergy
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Creatures
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50% of 4 decks
+48% synergy
Orthion, Hero of Lavabrink
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+47% synergy
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+46% synergy
Crime Novelist
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+42% synergy
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+40% synergy
Anger
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+39% synergy
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50% of 6 decks
+37% synergy
Skirk Prospector
50% of 6 decks
+30% synergy
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+29% synergy
Diamond Lion
40% of 5 decks
+40% synergy
Scrap Welder
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+38% synergy
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33% of 6 decks
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Ingot Chewer
33% of 6 decks
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Kuldotha Forgemaster
33% of 6 decks
+31% synergy
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33% of 6 decks
+29% synergy
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Reckless Fireweaver
33% of 6 decks
+29% synergy
Wurmcoil Engine
33% of 6 decks
+28% synergy
Myr Battlesphere
33% of 6 decks
+27% synergy
Meteor Golem
33% of 6 decks
+25% synergy
Krenko, Mob Boss
33% of 6 decks
+24% synergy
Goblin Recruiter
33% of 6 decks
+23% synergy
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33% of 6 decks
+19% synergy
Imperial Recruiter
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+19% synergy
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+22% synergy
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+6% synergy
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20% of 5 decks
+20% synergy
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+20% synergy
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17% of 6 decks
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50% of 6 decks
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33% of 6 decks
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+11% synergy
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33% of 6 decks
+3% synergy
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33% of 6 decks
-6% synergy
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33% of 6 decks
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25% of 4 decks
+5% synergy
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20% of 5 decks
+13% synergy
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20% of 5 decks
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17% of 6 decks
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17% of 6 decks
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17% of 6 decks
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17% of 6 decks
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+24% synergy
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Enchantments
Alchemist's Talent
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+22% synergy
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25% of 4 decks
+21% synergy
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17% of 6 decks
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+13% synergy
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Planeswalkers
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33% of 6 decks
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17% of 6 decks
+12% synergy
Utility Lands
Valakut, the Molten Pinnacle
67% of 6 decks
+43% synergy
Inventors' Fair
50% of 6 decks
+42% synergy
Great Furnace
50% of 6 decks
+37% synergy
Urza's Saga
40% of 5 decks
+27% synergy
Glacial Chasm
33% of 6 decks
+32% synergy
Geier Reach Sanitarium
33% of 6 decks
+29% synergy
Ancient Tomb
33% of 6 decks
+19% synergy
Forgotten Cave
33% of 6 decks
+13% synergy
Sokenzan, Crucible of Defiance
20% of 5 decks
+9% synergy
Scrying Sheets
17% of 6 decks
+16% synergy
Shrine of the Forsaken Gods
17% of 6 decks
+16% synergy
Arcane Lighthouse
17% of 6 decks
+14% synergy
Flamekin Village
17% of 6 decks
+13% synergy
Ghost Quarter
17% of 6 decks
+13% synergy
Strip Mine
17% of 6 decks
+12% synergy
Shinka, the Bloodsoaked Keep
17% of 6 decks
+11% synergy
Temple of the False God
17% of 6 decks
+8% synergy
Reliquary Tower
17% of 6 decks
+7% synergy
Command Beacon
17% of 6 decks
+5% synergy
Nykthos, Shrine to Nyx
17% of 6 decks
-1% synergy
War Room
17% of 6 decks
-14% synergy
Mana Artifacts
Sol Ring
83% of 6 decks
-3% synergy
Patriar's Seal
50% of 4 decks
+44% synergy
Extraplanar Lens
33% of 6 decks
+27% synergy
Everflowing Chalice
33% of 6 decks
+25% synergy
Arcane Signet
33% of 6 decks
-29% synergy
Vexing Puzzlebox
25% of 4 decks
+24% synergy
Liquimetal Torque
20% of 5 decks
+1% synergy
Cursed Mirror
20% of 5 decks
+0% synergy
Basalt Monolith
17% of 6 decks
+14% synergy
Gauntlet of Power
17% of 6 decks
+9% synergy
Chrome Mox
17% of 6 decks
+8% synergy
Caged Sun
17% of 6 decks
+5% synergy
Jeweled Lotus
17% of 6 decks
+5% synergy
Mana Crypt
17% of 6 decks
+5% synergy
Fellwar Stone
17% of 6 decks
-2% synergy
Fire Diamond
17% of 6 decks
-13% synergy
Lands
Plaza of Heroes
25% of 4 decks
+21% synergy
Cavern of Souls
17% of 6 decks
+7% synergy
Myriad Landscape
17% of 6 decks
-12% synergy