Displacer Kitten + Guile + Mystic Snake

Mana needed: {1}{G}{U}{U}

GU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast any noncreature spell from your hand by paying its mana cost, or wait for an opponent to cast one.
  2. Holding priority, cast Mystic Snake by paying {1}{G}{U}{U}.
  3. Mystic Snake enters the battlefield, exiling the spell and causing you to cast the spell from exile without paying its mana cost due to Guile.
  4. Displacer Kitten triggers, blinking Mystic Snake.
  5. Repeat from step 3.

What the combo produces