Seasoned Marshal

Whenever Seasoned Marshal attacks, you may tap target creature.

Rustic Clachan

As Rustic Clachan enters the battlefield, you may reveal a Kithkin card from your hand. If you don't, Rustic Clachan enters the battlefield tapped.
{T}: Add {W}.
Reinforce 1—{1}{W} ({1}{W}, Discard this card: Put a +1/+1 counter on target creature.)

Plains

Veteran Swordsmith

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

Law-Rune Enforcer

{1}, {T}: Tap target creature with mana value 2 or greater.

Rhox Pikemaster

First strike (This creature deals combat damage before creatures without first strike.)
Other Soldier creatures you control have first strike.

God-Favored General

Inspired — Whenever God-Favored General becomes untapped, you may pay {2}{W}. If you do, create two 1/1 white Soldier enchantment creature tokens.

Daru Encampment

{T}: Add {C}.
{W}, {T}: Target Soldier creature gets +1/+1 until end of turn.

Veteran Armorsmith

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

Crusade

Bond of Discipline

Tap all creatures your opponents control. Creatures you control gain lifelink until end of turn.

Conclave Phalanx

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
When Conclave Phalanx enters the battlefield, you gain 1 life for each creature you control.

Makeshift Battalion

Battalion — Whenever Makeshift Battalion and at least two other creatures attack, put a +1/+1 counter on Makeshift Battalion.

Raise the Alarm

Create two 1/1 white Soldier creature tokens.

Catapult Master

Tap five untapped Soldiers you control: Exile target creature.

Elspeth, Knight-Errant

+1: Create a 1/1 white Soldier creature token.
+1: Target creature gets +3/+3 and gains flying until end of turn.
−8: You get an emblem with "Artifacts, creatures, enchantments, and lands you control have indestructible."

Goldmeadow Harrier

Stormfront Riders

Flying
When Stormfront Riders enters the battlefield, return two creatures you control to their owner's hand.
Whenever Stormfront Riders or another creature is returned to your hand from the battlefield, create a 1/1 white Soldier creature token.