Northern Paladin

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

Island

Mana Drain

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Sol Ring

Samite Ministration

Prevent all damage that would be dealt to you this turn by a source of your choice. Whenever damage from a black or red source is prevented this way this turn, you gain that much life.

Sway of Illusion

Any number of target creatures become the color of your choice until end of turn.
Draw a card.

Celestial Purge

Tundra

Absolute Grace

All creatures have protection from black.

Isochron Scepter

Imprint — When Isochron Scepter enters, you may exile an instant card with mana value 2 or less from your hand.
{2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

Spawning Kraken

Whenever a Kraken, Leviathan, Octopus, or Serpent you control deals combat damage to a player, create a 9/9 blue Kraken creature token.

Plains

Distorting Lens

{T}: Target permanent becomes the color of your choice until end of turn.

Vodalian Mystic

{T}: Target instant or sorcery spell becomes the color of your choice.

Southern Paladin

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