The Courier

Vigilance, Haste
Ain't That A Kick In The Head-Whenever The Courier deals damage to any target, you gain an Experience Counter. Whenever The Courier becomes the target of a Spell or Ability, you gain an Experience Counter.
The Courier gains +1/+1 for each Experience Counter you have.
Leveled Up!-You may remove 5 Experience Counters you have; The Courier gains your choice of a Hexproof, Menace, First Strike, Deathtouch, or Trample counter. If The Courier has 5 or more Keyword