Airlift Chaplain

Flying
When this creature enters, mill three cards. You may put a Plains card or a creature card with mana value 3 or less from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on this creature. (To mill a card, put the top card of your library into your graveyard.)

Orah, Skyclave Hierophant

Lifelink
Whenever Orah or another Cleric you control dies, return target Cleric card with lesser mana value from your graveyard to the battlefield.

Absolver Thrull

Haunt (When this creature dies, exile it haunting target creature.)
When this creature enters or the creature it haunts dies, destroy target enchantment.

Akroma's Devoted

Ancestor's Prophet

Tap five untapped Clerics you control: You gain 10 life.