Enlistment Officer

First strike
When Enlistment Officer enters, 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 in any order.

Daru Cavalier

First strike
When Daru Cavalier enters, you may search your library for a card named Daru Cavalier, reveal it, put it into your hand, then shuffle.

Daru Warchief

Soldier spells you cast cost {1} less to cast.
Soldier creatures you control get +1/+2.