Demon's Disciple

When this creature enters, each player sacrifices a creature or planeswalker of their choice.

Sanctum Guardian

Sacrifice this creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

{W}, Sacrifice this creature: Prevent all damage a source of your choice would deal to you this turn.

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