Hangarback Walker + Krark-Clan Ironworks + Salvaging Station + Scrap Trawler

C identity

Commander legal

The 4 combo pieces

What must be in place

You control a nontoken noncreature artifact with mana value one or less.

How to execute it

  1. Activate Krark-Clan Ironworks by sacrificing the nontoken noncreature artifact, adding {C}{C}.
  2. Scrap Trawler triggers, returning Hangarback Walker from your graveyard to your hand.
  3. Activate Salvaging Station by tapping it, returning the noncreature artifact from your graveyard to the battlefield.
  4. Cast Hangarback Walker by paying {0}.
  5. Hangarback Walker enters the battlefield and dies as a state-based action due to having zero toughness.
  6. Scrap Trawler and Salvaging Station trigger.
  7. Resolve the Salvaging Station trigger, untapping itself.
  8. Resolve the Scrap Trawler trigger, returning nothing from your graveyard to your hand.
  9. Repeat.
  10. Once you have infinite mana, you may use it to cast Hangarback Walker, and then sacrifice Hangarback Walker to Krark-Clan Ironworks to get infinite 1/1 Thopter creature tokens.

What the combo produces