ANTIRED

Exile target black or red permanent.

Protection from red

{W}: Target creature gains protection from red until end of turn.

{1}{U}: Counter target red spell.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

{T}: Add {W} or {U}.

Flying, protection from red

Hunted Phantasm can't be blocked.

When Hunted Phantasm enters the battlefield, target opponent creates five 1/1 red Goblin creature tokens.

Choose one —

• Counter target spell if it's red.

• Destroy target permanent if it's red.

({T}: Add {U}.)

Protection from red

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

({T}: Add {W}.)

Protection from black and from red

When Sanctifier en-Vec enters the battlefield, exile all cards that are black or red from all graveyards.

If a black or red permanent, spell, or card not on the battlefield would be put into a graveyard, exile it instead.

Seachrome Coast enters the battlefield tapped unless you control two or fewer other lands.

{T}: Add {W} or {U}.

{W}{W}, {T}: Destroy target red permanent.

If a red source would deal damage to you, prevent 2 of that damage.

As Swirl the Mists enters the battlefield, choose a color word.

All instances of color words in the text of spells and permanents are changed to the chosen color word.

When Tidebinder Mage enters the battlefield, tap target red or green creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Tidebinder Mage.

When Wrath of Marit Lage enters the battlefield, tap all red creatures.

Red creatures don't untap during their controllers' untap steps.