Kyr-Ith, Valiant Friend

+3: Until your next turn, up to two target creatures cannot attack you or other planeswalkers you control.
-1: Until your next turn, whenever a creature attacks you or a planeswalker you control, Kyr-Ith deals 1 damage to that creature.
-8: You gain 10 life. Put two +1/+1 counters on each creature you control and two loyalty counters on each other planeswalker you control.