Dr. Catherine Halsey

-1: Sacrifice a Spartan, you may distribute counters equal to that Spartans toughness between any number of Spartans or Dr. Catherine Halsey
0: Put X 3/3 Spartans onto the battlefield equal to the amount of loyalty counters on Dr. Catherine Halsey
-10: You get an emblem with "During each combat, Spartans you control get indestructible, haste, trample, and double strike."