Axgard Braggart

Boast — {1}{W}: Untap Axgard Braggart. Put a +1/+1 counter on it. (Activate only if this creature attacked this turn and only once each turn.)

Allied Assault

Up to two target creatures each get +X/+X until end of turn, where X is the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Practiced Tactics

Choose target attacking or blocking creature. Practiced Tactics deals damage to that creature equal to twice the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Codespell Cleric

Vigilance
When Codespell Cleric enters, if it was the second spell you cast this turn, put a +1/+1 counter on target creature.

Farsight Adept

When Farsight Adept enters, you and target opponent each draw a card.

Sea Gate Banneret

{4}{W}: Creatures you control get +1/+1 until end of turn.

Plains

Luminarch Aspirant

At the beginning of combat on your turn, put a +1/+1 counter on target creature you control.

Shepherd of Heroes

Flying
When Shepherd of Heroes enters, you gain 2 life for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Beskir Shieldmate

When Beskir Shieldmate dies, create a 1/1 white Human Warrior creature token.

Story Seeker

Expedition Healer

Vigilance
Expedition Healer has lifelink as long as you control another Cleric.

Kor Celebrant

Whenever Kor Celebrant or another creature you control enters, you gain 1 life.

Doomskar Oracle

Whenever you cast your second spell each turn, you gain 2 life.
Foretell {W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Ugin, the Ineffable

Colorless spells you cast cost {2} less to cast.
+1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand.
−3: Destroy target permanent that's one or more colors.

Goldmaw Champion

Boast — {1}{W}: Tap target creature. (Activate only if this creature attacked this turn and only once each turn.)

Emeria Captain

Flying, vigilance
When Emeria Captain enters, put a +1/+1 counter on it for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

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.