Activate Krark-Clan Ironworks by sacrificing any Equipment except Nim Deathmantle, adding {C}{C}.
Activate Krark-Clan Ironworks by sacrificing Magnetic Snuffler, adding {C}{C}.
When Magnetic Snuffler dies, Nim Deathmantle triggers, returning Magnetic Snuffler from your graveyard to the battlefield, and attaching Nim Deathmantle to it.
When Magnetic Snuffler enters the battlefield, its first ability triggers, returning any Equipment from your graveyard to the battlefield attached to Magnetic Snuffler.
Repeat.

Infinite death triggers

Infinite ETB

Infinite LTB

Infinite sacrifice triggers

Nim Deathmantle

Krark-Clan Ironworks

Magnetic Snuffler

Cast Glider Staff by paying {2}{W}.
When Glider Staff enters, it triggers, airbending Magnetic Snuffler
Activate Krark-Clan Ironworks by sacrificing Glider Staff, adding {C}{C}.
Cast Magnetic Snuffler from exile by paying {2}.
When Magnetic Snuffler enters, it triggers, returning Glider Staff from your graveyard to the battlefield.
Repeat from step 2.

Combos with "Magnetic Snuffler"