Greagan, Lord Commander

+1: Add G or W. If this mana is spent to cast a Soldier creature spell, that creature enters the battlefield with an additional +1/+1 counters
-1: Reveal cards from your library until you reveal a Soldier. Put that card into your hand and the rest on the bottom of your library in any order.
-8: You get an Embem with: "At the beginning of combat, Soldiers you control get your choice of Flying, Vigilance or Trample."