Enlistment Officer

First strike When Enlistment Officer comes into play, reveal the top four cards of your library. Put all Soldier cards revealed this way into your hand and the rest on the bottom of your library.

Cavern of Souls

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {1} to your mana pool. {T}: Add one mana of any color to your mana pool. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Thalia, Guardian of Thraben

First strike Noncreature spells cost {1} more to cast.

Trinisphere

As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)

Captain of the Watch

Vigilance (Attacking doesn't cause this creature to tap.) Other Soldier creatures you control get +1/+1 and have vigilance. When Captain of the Watch enters the battlefield, put three 1/1 white Soldier creature tokens onto the battlefield.

Aether Vial

At the beginning of your upkeep, you may put a charge counter on ?ther Vial. {T}: You may put a creature card with converted mana cost equal to the number of charge counters on ?ther Vial from your hand onto the battlefield.

Ballyrush Banneret

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

Preeminent Captain

First strike Whenever Preeminent Captain attacks, you may put a Soldier creature card from your hand into play tapped and attacking.

Chrome Mox

Imprint — When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand. {T}: Add one mana of any of the exiled card's colors to your mana pool.

Karakas

{T}: Add {W} to your mana pool. {T}: Return target legendary creature to its owner's hand.

Daru Warchief

Soldier spells you play cost {1} less to play. Soldiers you control get +1/+2.

Ancient Tomb

Thalia, Heretic Cathar

Plains

({T}: Add {W}.)