Deacons of the Deep

Deacons of the Deep's power and toughness are
each equal to the number of Cleric creatures you
control.
At the beginning of your upkeep, you lose 1 life
and create a 1/1 black Cleric creature token.
Tap four untapped Clerics you control, {t}: Target
opponent loses 5 life and you gain that much life.