Coercive Recruiter + Mana Echoes + Prismite + Saheeli, the Sun's Brilliance

UR 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 Coercive Recruiter

How to execute it

  1. Activate Saheeli by paying {U}{R} and tapping it, creating a token copy of Coercive Recruiter with haste.
  2. When the token Coercive Recruiter enters the battlefield, it and Mana Echoes trigger.
  3. Resolve the Coercive Recruiter trigger, untapping Saheeli.
  4. Holding priority, if you control less than four creatures that share a creature type with Coercive Recruiter, 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 Coercive Recruiter for each trigger resolved this way.
  6. Activate Prismite twice by paying {4}, adding {U}{R}.
  7. Repeat.

What the combo produces