Sacrifice Gleaming Barrier to Ashnod's Altar, generating {C}{C} and {W} from the treasure.
Activate Golbin Welder by tapping it, sacrificing Idol of Endurance and returning Gleaming Barrier from the graveyard to the battlefield and triggering Intruder Alarm, untapping Goblin Welder and leaving {2}{W} floating.
Activate Golbin Welder, sacrificing Gleaming Barrier and returning Idol of Endurance to play, exiling Gleaming Barrier to Idol of Endurance's trigger and adding {W} through the treasure, leaving {2}{W}{W} floating.
Activate Idol of Endurance for {1}{W} and cast Gleaming Barrier without paying its mana cost, triggering Intruder Alarm and untapping Goblin Welder, leaving {1}{W} floating.
Repeat for infinite colored and colorless mana.

Infinite colored mana

Infinite colorless mana

Infinite death triggers

Infinite creature ETB

Infinite creature LTB

Infinite creature sacrifice triggers

Infinite untap of creatures

Idol of Endurance

Goblin Welder

Intruder Alarm

Gleaming Barrier

Ashnod's Altar

Sacrifice Gleaming Barrier to Krark-Clan Ironworks, generating {C}{C} and {W} from the treasure.
Activate Golbin Welder by tapping it, sacrificing Idol of Endurance and returning Gleaming Barrier from the graveyard to the battlefield and triggering Intruder Alarm, untapping Goblin Welder and leaving {2}{W} floating.
Activate Golbin Welder, sacrificing Gleaming Barrier and returning Idol of Endurance to play, exiling Gleaming Barrier to Idol of Endurance's trigger and adding {W} through the treasure, leaving {2}{W}{W} floating.
Activate Idol of Endurance for {1}{W} and cast Gleaming Barrier without paying its mana cost, triggering Intruder Alarm and untapping Goblin Welder, leaving {1}{W} floating.
Repeat for infinite colored and colorless mana.

Krark-Clan Ironworks

Sacrifice Gleaming Barrier to Ashnod's Altar, adding {C}{C} and {W} with the treasure token and putting a Thornbite Staff trigger onto the stack.
Holding priority, tap Goblin Welder, sacrificing Idol of Endurance and returning Gleaming Barrier to the battlefield.
Allow the Thornbite Staff trigger to resolve, untapping Goblin Welder.
Tap Goblin Welder, sacrificing Gleaming Barrier and returning Idol of Endurance to the battlefield, triggering Thornbite Staff to untap Goblin Welder and adding {W} through the treasure generated.
Idol of Endurance ETBs and exiles Gleaming Barrier from your graveyard.
Tap Idol of Endurance and spend {1}{W} to allow yourself to cast Gleaming Barrier for free.
Repeat for infinite colored and colorless mana.

Infinite untap of creatures you control

Thornbite Staff

Sacrifice Gleaming Barrier to Krark-Clan Ironworks, adding {C}{C} and {W} with the treasure token and putting a Thornbite Staff trigger onto the stack.
Holding priority, tap Goblin Welder, sacrificing Idol of Endurance and returning Gleaming Barrier to the battlefield.
Allow the Thornbite Staff trigger to resolve, untapping Goblin Welder.
Tap Goblin Welder, sacrificing Gleaming Barrier and returning Idol of Endurance to the battlefield, triggering Thornbite Staff to untap Goblin Welder and adding {W} through the treasure generated.
Idol of Endurance ETBs and exiles Gleaming Barrier from your graveyard.
Tap Idol of Endurance and spend {1}{W} to allow yourself to cast Gleaming Barrier for free.
Repeat for infinite colored and colorless mana.

Combos with "Idol of Endurance"