The Dark Pontiff

Whenever a nontoken creature you control dies, you
may pay {1} and 1 life. If you do, create a tapped
1/1 white and black Cleric creature token.

{3}: Target creature you control gains lifelink until
end of turn.

At the beginning of your end step, if you have exactly 13 life, you may pay {6}. If you do, transform The Dark Pontiff.