Isolated Chapel

Isolated Chapel enters tapped unless you control a Plains or a Swamp.
{T}: Add {W} or {B}.

Plains

Chainer's Torment

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Chainer's Torment deals 2 damage to each opponent and you gain 2 life.
III — Create an X/X black Nightmare Horror creature token, where X is half your life total, rounded up. It deals X damage to you.

Augur il-Vec

Shadow (This creature can block or be blocked by only creatures with shadow.)
Sacrifice Augur il-Vec: You gain 4 life. Activate only during your upkeep.

Ancestor's Prophet

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

Day of Judgment

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Healer's Hawk

Cathedral Sanctifier

When Cathedral Sanctifier enters, you gain 3 life.

Arashin Cleric

When Arashin Cleric enters, you gain 3 life.

Healing Grace

Prevent the next 3 damage that would be dealt to any target this turn by a source of your choice. You gain 3 life.