Mana Echoes + Saheeli, the Sun's Brilliance + Sparring Mummy + Stonework Packbeast

URW identity

Commander legal

The 4 combo pieces

What must be in place

Saheeli does not have summoning sickness.
{U}{R} available, plus an additional {U}{R} if you control less than three creatures that share a creature type with Sparring Mummy

How to execute it

  1. Activate Saheeli by paying {U}{R} and tapping it, creating a token copy of Sparring Mummy with haste.
  2. When the token Sparring Mummy enters the battlefield, it and Mana Echoes trigger.
  3. Resolve the Sparring Mummy trigger, untapping Saheeli.
  4. Holding priority, if you control less than four creatures that share a creature type with Sparring Mummy, repeat steps 1 through 3 one additional time.
  5. Resolve all Mana Echoes triggers, adding {C} for each creature you control that shares a creature type with Sparring Mummy for each trigger resolved this way.
  6. Activate Stonework Packbeast twice by paying {4}, adding {U}{R}.
  7. Repeat.

What the combo produces