Ballyrush Banneret

Kithkin spells and Soldier spells you cast cost {1} less to cast.

Argivian Phalanx

This spell costs {1} less to cast for each creature you control.
Vigilance (Attacking doesn't cause this creature to tap.)

Kor Skyfisher

Flying
When Kor Skyfisher enters, return a permanent you control to its owner's hand.

Prismatic Strands

Prevent all damage that sources of the color of your choice would deal this turn.
Flashback—Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Veteran Swordsmith

Other Soldier creatures you control get +1/+0.

Frontline Strategist

Morph {W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When Frontline Strategist is turned face up, prevent all combat damage non-Soldier creatures would deal this turn.

Guardians' Pledge

White creatures you control get +2/+2 until end of turn.

Veteran Armorsmith

Other Soldier creatures you control get +0/+1.

Thraben Standard Bearer

{1}{W}, {T}, Discard a card: Create a 1/1 white Human Soldier creature token.

Squad Captain

Vigilance (Attacking doesn't cause this creature to tap.)
Squad Captain enters with a +1/+1 counter on it for each other creature you control.

Unified Strike

Exile target attacking creature if its power is less than or equal to the number of Soldiers on the battlefield.

Search Party Captain

This spell costs {1} less to cast for each creature you attacked with this turn.
When Search Party Captain enters, draw a card.