Master Chief, Retainer

Eminence - As long as Master Chief, Retainer is in the Command Zone or on the battlefield, Spartans you control enter with an additional shield counter on it. At the beginning of your upkeep, put a shield counter on each Spartan you control without a shield counter on it.

Partner with Cortana,

Menace, First Strike, Ward {4}

Whenever Master Chief deals combat to an opponent, draw a card for each Human and/or Spartan you control