Plains

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Salt Flats

This land enters tapped.
{T}: Add {C}.
{T}: Add {W} or {B}. This land deals 1 damage to you.

Caves of Koilos

{T}: Add {C}.
{T}: Add {W} or {B}. This land deals 1 damage to you.

Swamp

Rotlung Reanimator

Whenever this creature or another Cleric dies, create a 2/2 black Zombie creature token.

Vile Deacon

Whenever this creature attacks, it gets +X/+X until end of turn, where X is the number of Clerics on the battlefield.

Edgewalker

Cleric spells you cast cost {W}{B} less to cast. This effect reduces only the amount of colored mana you pay. (For example, if you cast a Cleric spell with mana cost {1}{W}, it costs {1} to cast.)

Dark Banishing

Destroy target nonblack creature. It can't be regenerated.

Shaman en-Kor

{0}: The next 1 damage that would be dealt to this creature this turn is dealt to target creature you control instead.
{1}{W}: The next time a source of your choice would deal damage to target creature this turn, that damage is dealt to this creature instead.

Battlefield Medic

{T}: Prevent the next X damage that would be dealt to target creature this turn, where X is the number of Clerics on the battlefield.

Aven Redeemer

Flying
{T}: Prevent the next 2 damage that would be dealt to any target this turn.

Hallowed Healer

{T}: Prevent the next 2 damage that would be dealt to any target this turn.
Threshold — {T}: Prevent the next 4 damage that would be dealt to any target this turn. Activate only if seven or more cards are in your graveyard.

Starlit Sanctum

{T}: Add {C}.
{W}, {T}, Sacrifice a Cleric creature: You gain life equal to the sacrificed creature's toughness.
{B}, {T}, Sacrifice a Cleric creature: Target player loses life equal to the sacrificed creature's power.

Doubtless One

Doubtless One's power and toughness are each equal to the number of Clerics on the battlefield.
Whenever this creature deals damage, you gain that much life.