Avacyn's Pilgrim

Auriok Champion

Protection from black and from red
Whenever another creature enters, you may gain 1 life.

Devout Lightcaster

Protection from black
When Devout Lightcaster enters, exile target black permanent.

Plains

Chameleon Colossus

Changeling (This card is every creature type.)
Protection from black
{2}{G}{G}: Chameleon Colossus gets +X/+X until end of turn, where X is its power.

Circle of Protection: Black

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

Mother of Runes

{T}: Target creature you control gains protection from the color of your choice until end of turn.

Karma

At the beginning of each player's upkeep, Karma deals damage to that player equal to the number of Swamps they control.

Akroma, Angel of Wrath

Flying, first strike, vigilance, trample, haste, protection from black and from red

Sigarda, Host of Herons

Flying, hexproof
Spells and abilities your opponents control can't cause you to sacrifice permanents.

Thelon's Chant

At the beginning of your upkeep, sacrifice Thelon's Chant unless you pay {G}.
Whenever a player puts a Swamp onto the battlefield, Thelon's Chant deals 3 damage to that player unless the player puts a -1/-1 counter on a creature they control.