Cast Ugin's Conjurant, choosing to have X=4, but paying ({0} magic symbol) due to Ezzaroot Channeler.
Petalmane Baku and Kiri-Onna trigger.
Resolve the Petalmane Baku trigger, putting a ki counter on it.
Resolve the Kiri-Onna trigger, returning it to your hand from the battlefield.
Cast Kiri-Onna by paying ({U} magic symbol) due to Ezzaroot Channeler.
Petalmane Baku triggers, putting a ki counter on it.
When Kiri-Onna enters the battlefield, it triggers, returning Ugin's Conjurant to your hand from the battlefield.
Repeat steps 1 through 4 one additional time.
Activate Petalmane Baku by paying ({1} magic symbol) and removing three ki counters from it, adding ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Repeat steps 5 through 8 one additional time.
Repeat steps 5 through 7 one additional time.
Activate Petalmane Baku by paying ({1} magic symbol) and removing three ki counters from it, adding ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) .