Circle of Protection: Black

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

Circle of Protection: Blue

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

Guttural Response

Flashfires

Lawbringer

{T}, Sacrifice Lawbringer: Exile target red creature.

Northern Paladin

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

Lifeforce

Pyroblast

Choose one —
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.

Circle of Protection: Red

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

Gideon's Defeat

Exile target white creature that's attacking or blocking. If it was a Gideon planeswalker, you gain 5 life.

Dread of Night

Deathgrip

Celestial Purge

Mass Calcify

Bouncer's Beatdown

This spell costs {2} less to cast if it targets a black permanent.
Bouncer's Beatdown deals X damage to target creature or planeswalker, where X is the greatest power among creatures you control. If that creature or planeswalker would die this turn, exile it instead.

Nature's Ruin

Stromgald Cabal

{T}, Pay 1 life: Counter target white spell.

Hibernation

Return all green permanents to their owners' hands.

Gloom

White spells cost {3} more to cast.
Activated abilities of white enchantments cost {3} more to activate.

Circle of Protection: Green

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

Tsunami

Deathmark

Red Elemental Blast

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

Omen of Fire

Return all Islands to their owners' hands. Each player sacrifices a Plains or a white permanent for each white permanent they control.

Choke

Islands don't untap during their controllers' untap steps.

Liliana's Defeat

Destroy target black creature or black planeswalker. If that permanent was a Liliana planeswalker, her controller loses 3 life.

Radiant Purge

Exile target multicolored creature or multicolored enchantment.

All Is Dust

Each player sacrifices all permanents they control that are one or more colors.

Anarchy

Whack

This spell costs {3} less to cast if it targets a white creature.
Target creature gets -4/-4 until end of turn.

Eastern Paladin

{B}{B}, {T}: Destroy target green creature.

Torch Breath

This spell costs {2} less to cast if it targets a blue permanent.
This spell can't be countered.
Torch Breath deals X damage to target creature or planeswalker.

Blue Elemental Blast

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

Tazri, Beacon of Unity

This spell costs {1} less to cast for each creature in your party.
{2/U}{2/B}{2/R}{2/G}: Look at the top six cards of your library. You may reveal up to two Cleric, Rogue, Warrior, Wizard, and/or Ally cards from among them and put them into your hand. Put the rest on the bottom of your library in a random order.

Dark Betrayal

Purge

Destroy target artifact creature or black creature. It can't be regenerated.

Circle of Protection: White

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

Hydroblast

Choose one —
• Counter target spell if it's red.
• Destroy target permanent if it's red.

Southern Paladin

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

Stench of Evil

Destroy all Plains. For each land destroyed this way, Stench of Evil deals 1 damage to that land's controller unless they pay {2}.

Virtue's Ruin

Surge of Righteousness

Destroy target black or red creature that's attacking or blocking. You gain 2 life.

Chill

High Seas

Red creature spells and green creature spells cost {1} more to cast.

Jace's Defeat

Counter target blue spell. If it was a Jace planeswalker spell, scry 2.

Western Paladin

{B}{B}, {T}: Destroy target white creature.

Perish

Destroy all green creatures. They can't be regenerated.

Boiling Seas

Out of the Way

This spell costs {2} less to cast if it targets a green permanent.
Return target nonland permanent an opponent controls to its owner's hand.
Draw a card.

Llawan, Cephalid Empress

When Llawan, Cephalid Empress enters, return all blue creatures your opponents control to their owners' hands.
Your opponents can't cast blue creature spells.

Nissa's Defeat

Destroy target Forest, green enchantment, or green planeswalker. If that permanent was a Nissa planeswalker, draw a card.