Kerry, Alliance Builder

+1: Put a +1/+1 counter on target creature you control. If you control no creatures, create a 1/1 blue New Recruit creature token instead.
-X: Gain control of target creature with converted mana cost X or less. If that creature is blue, reduce this cost by 2.
+6: Search your library for a Planeswalker or Legendary Creature, put it onto the battlefield, then shuffle your library.