Saheeli, the Sun's Brilliance | Mana Echoes | Coercive Recruiter

(and one other card)

Saheeli does not have summoning sickness.
({U} magic symbol) ({R} magic symbol) available, plus an additional ({U} magic symbol) ({R} magic symbol) if you control less than three creatures that share a creature type with
Coercive Recruiter.

Activate
Saheeli by paying ({U} magic symbol) ({R} magic symbol) and tapping it, creating a token copy of
Coercive Recruiter with haste.
When the token
Coercive Recruiter enters the battlefield, it and
Mana Echoes trigger.
Resolve the
Coercive Recruiter trigger, untapping
Saheeli.
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.
Resolve all
Mana Echoes triggers, adding ({C} magic symbol) for each creature you control that shares a creature type with
Coercive Recruiter for each trigger resolved this way.
Activate
Stonework Packbeast twice by paying ({4} magic symbol) , adding ({U} magic symbol) ({R} magic symbol) .
Repeat.