Chaoslace

Target spell or permanent becomes red. (Its mana symbols remain unchanged.)

Dwarven Song

One or more target creatures become red until end of turn.

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Shatterstorm

Destroy all artifacts. They can't be regenerated.

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Divine Offering

Destroy target artifact. You gain life equal to its mana value.

Mountain

Greater Realm of Preservation

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

Orcish Artillery

{T}: This creature deals 2 damage to any target and 3 damage to you.

Knights of Thorn

Protection from red; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Land's Edge

Discard a card: If the discarded card was a land card, this enchantment deals 2 damage to target player or planeswalker. Any player may activate this ability.

Circle of Protection: Red

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

Balance

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

Beasts of Bogardan

Protection from red
This creature gets +1/+1 as long as an opponent controls a nontoken white permanent.

Disenchant

Repentant Blacksmith

Clergy of the Holy Nimbus

If this creature would be destroyed, regenerate it.
{1}: This creature can't be regenerated this turn. Only your opponents may activate this ability.