Dramatic Reversal + Errant, Street Artist + Repeated Reverberation

Mana needed: {1}{R}{R}

UR identity

Commander legal

The 3 combo pieces

What must be in place

Nonland permanents you control can tap to produce at least {2}{U}.

How to execute it

  1. Activate all mana producing nonland permanents you control by tapping them, adding at least {2}{U}.
  2. Cast Repeated Reverberation by paying {2}{R}{R}, causing you to create two copies of the next instant spell you cast this turn.
  3. Cast Dramatic Reversal by paying {1}{U}.
  4. Repeated Reverberation triggers, creating two copies of Dramatic Reversal.
  5. Resolve a copy of Dramatic Reversal, untapping all nonland permanents you control.
  6. Activate all mana producing nonland permanents you control by tapping them, adding at least {2}{U}.
  7. Activate Errant by paying {1}{U} and tapping it, creating a copy of the Dramatic Reversal copy.
  8. Repeat from step 5.

What the combo produces