Boros Knight Holy See

Mentor-able; This creature cannot receive any counters that aren't from being mentored.
Boros Knight Holy See takes 2 less damage from all
non-combat sources.
Spells your opponents control that target creatures
you control cost {2} more.
If a spell or ability your opponent controls causes
you to discard Boros Knight Holy See, instead put it
onto the battlefield and it gains haste.