Northern Paladin

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

Order of the Sacred Torch

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

Insight

Whenever an opponent casts a green spell, you draw a card.

Celestial Purge

Royal Decree

Cumulative upkeep {W} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever a Swamp, Mountain, black permanent, or red permanent becomes tapped, Royal Decree deals 1 damage to that permanent's controller.

Douse

Circle of Protection: Green

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

Circle of Protection: White

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

Stromgald Cabal

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

Gloom

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

Eastern Paladin

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

Tidal Control

Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Pay 2 life or {2}: Counter target red or green spell. Any player may activate this ability.

Chromium

Flying
Rampage 2 (Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)
At the beginning of your upkeep, sacrifice Chromium unless you pay {W}{U}{B}.

Urborg, Tomb of Yawgmoth

Each land is a Swamp in addition to its other land types.

Shifting Sky

As Shifting Sky enters, choose a color.
All nonland permanents are the chosen color.

Western Paladin

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

Circle of Protection: Blue

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

Bereavement

Whenever a green creature dies, its controller discards a card.

Hibernation

Return all green permanents to their owners' hands.

Karma

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

Southern Paladin

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

Conversion

At the beginning of your upkeep, sacrifice Conversion unless you pay {W}{W}.
All Mountains are Plains.

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: Red

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