Elemental Mastery + Phyrexian Altar + Sleep-Cursed Faerie

UR identity

Commander legal

The 3 combo pieces

What must be in place

Sleep-Cursed Faerie does not have summoning sickness, and does not have a stun counter on it.
Elemental Mastery attached to Sleep-Cursed Faerie.

How to execute it

  1. Activate Sleep-Cursed Faerie by tapping it, creating three 1/1 Elemental creature tokens with haste.
  2. Activate Phyrexian Altar twice by sacrificing two Elementals, adding {1}{U}.
  3. Activate Sleep-Cursed Faerie by paying {1}{U}, untapping it.
  4. Repeat.

What the combo produces