Plains

Silver Knight

Soltari Priest

Protection from red
Shadow (This creature can block or be blocked by only creatures with shadow.)

Gideon's Sacrifice

Choose a creature or planeswalker you control. All damage that would be dealt this turn to you and permanents you control is dealt to the chosen permanent instead (if it's still on the battlefield).

Kithkin Zealot

When Kithkin Zealot enters, you gain 1 life for each black and/or red permanent target opponent controls.

Raise the Alarm

Create two 1/1 white Soldier creature tokens.

Wall of Hope

Defender (This creature can't attack.)
Whenever Wall of Hope is dealt damage, you gain that much life.

Dark Ritual

Circle of Protection: Red

{1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

Swamp

Hunted Witness

When Hunted Witness dies, create a 1/1 white Soldier creature token with lifelink.

Bontu's Last Reckoning

Destroy all creatures. Lands you control don't untap during your next untap step.

Impassioned Orator

Whenever another creature you control enters, you gain 1 life.

Dragon's Claw

Whenever a player casts a red spell, you may gain 1 life.

Bile Blight

Target creature and all other creatures with the same name as that creature get -3/-3 until end of turn.

Kor Firewalker

Protection from red
Whenever a player casts a red spell, you may gain 1 life.

Engineered Plague

As Engineered Plague enters, choose a creature type.
All creatures of the chosen type get -1/-1.

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.