Minister of Impediments

({W/U} can be paid with either {W} or {U}.)
{T}: Tap target creature.

Wandering Champion

Whenever this creature deals combat damage to a player, if you control a blue or red permanent, you may discard a card. If you do, draw a card.

Steel of the Godhead

Enchant creature
As long as enchanted creature is white, it gets +1/+1 and has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)
As long as enchanted creature is blue, it gets +1/+1 and can't be blocked.

Somnomancer

When this creature enters, you may tap target creature.

Repel the Darkness

Tap up to two target creatures.
Draw a card.

Augury Adept

Whenever this creature deals combat damage to a player, reveal the top card of your library and put that card into your hand. You gain life equal to its mana value.

Curse of Chains

Enchant creature
At the beginning of each upkeep, tap enchanted creature.

Judge's Familiar

Flying
Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays {1}.

Plains

Senate Griffin

Flying
When this creature enters, scry 1.

Mirror-Sigil Sergeant

Trample
At the beginning of your upkeep, if you control a blue permanent, you may create a token that's a copy of this creature.

Secure the Scene

Exile target nonland permanent. Its controller creates a 1/1 white Soldier creature token.

Thriving Heath

This land enters tapped. As it enters, choose a color other than white.
{T}: Add {W} or one mana of the chosen color.