Ashnod's Altar + Dross Scorpion + Puppet Conjurer + Urn of Godfire

Mana needed: {U}

UB identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Puppet's Conjurer by paying {U} and tapping it, creating a 0/1 Homunculus artifact creature token.
  2. Activate Ashnod's Altar by sacrificing the Homunculus, adding {C}{C}.
  3. When the Homunculus dies, Dross Scorpion triggers, untapping Puppet's Conjurer.
  4. Activate Urn of Godfire by paying {2}, adding {U}.
  5. Repeat.

What the combo produces