Have

Sign in Blood

Target player draws two cards and loses 2 life.

Worship

If you control a creature, damage that would reduce your life total to less than 1 reduces it to 1 instead.

Aegis of the Gods

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

Swamp

Wrath of God

Destroy all creatures. They can't be regenerated.

Avatar of Hope

If you have 3 or less life, this spell costs {6} less to cast.
Flying
Avatar of Hope can block any number of creatures.

Shineshadow Snarl

As Shineshadow Snarl enters, you may reveal a Plains or Swamp card from your hand. If you don't, Shineshadow Snarl enters tapped.
{T}: Add {W} or {B}.

Ghostly Prison

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Path to Exile

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Memoricide

Choose a nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles.

Near-Death Experience

At the beginning of your upkeep, if you have exactly 1 life, you win the game.

Angel's Grace

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
You can't lose the game this turn and your opponents can't win the game this turn. Until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.

Rebuff the Wicked

Counter target spell that targets a permanent you control.

Temple of Silence

Temple of Silence enters tapped.
When Temple of Silence enters, scry 1.
{T}: Add {W} or {B}.

Death's Shadow

Death's Shadow gets -X/-X, where X is your life total.

Plains

Wall of Blood

Defender (This creature can't attack.)
Pay 1 life: Wall of Blood gets +1/+1 until end of turn.

Holy Day

Prevent all combat damage that would be dealt this turn.

Mana Tithe

Counter target spell unless its controller pays {1}.

Plunge into Darkness

Choose one —
• Sacrifice any number of creatures. You gain 3 life for each creature sacrificed this way.
• Pay any amount of life, then look at that many cards from the top of your library. Put one of those cards into your hand and exile the rest.
Entwine {B} (Choose both if you pay the entwine cost.)

Diabolic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Privileged Position

({G/W} can be paid with either {G} or {W}.)
Other permanents you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)