Errant, Street Artist + Howl of the Horde + Reality Spasm

Mana needed: {3}{U}{U}

UR identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast Howl of the Horde by paying {2}{R}, copying the next instant or sorcery spell you cast.
  2. Cast Reality Spasm by paying at least {3}{U}{U}, targeting at least three permanents and choosing the untap mode.
  3. Howl of the Horde triggers, copying Reality Spasm, targeting at least three permanents.
  4. Holding priority, activate at least two mana-producing permanents you control by tapping them, adding at least {1}{U}.
  5. Activate Errant by paying {1}{U} and tapping it, copying the Reality Spasm copy, targeting Errant and at least two mana-producing permanents you control.
  6. Resolve the copy of Reality Spasm from step 3, untapping Errant and at least two mana-producing permanents you control.
  7. Repeat from step 4.

What the combo produces