Cleric of the Clerics

Cleric of the Clerics cost {1} less to cast for each Cleric you control.
Whenever another nontoken Cleric you control attacks, create a 1/1 white Cleric creature token with lifelink.
When Cleric of the Clerics dies, you may pay {b}{b}{b}. If you do, create a 4/2 black Zombie Cleric creature token with deathtouch.