Doc Aurlock, Grizzled Genius + Phyrexian Altar + Runaway Steam-Kin + Squee, the Immortal

Mana needed: {R}{R}{R} at most

GUR identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Phyrexian Altar by sacrificing Squee, adding {R}.
  2. Cast Squee from your graveyard by paying {R}{R}.
  3. Runaway Steam-Kin triggers, putting a +1/+1 counter on it.
  4. If Runaway Steam-Kin has three or more +1/+1 counters on it, activate it by removing three +1/+1 counters on it, adding {R}{R}{R}.
  5. Repeat.

What the combo produces