Coldhearted Valkyrie

Flying, Trample, Protection from creatures
with lesser power.
Whenever a creature damaged by Coldhearted
Valkyrie dies put a +1/+1 counter on it.
As long as Coldhearted Valkyrie's power is
7 or more, you can instead of putting a
+1/+1 counter on it, put an indestructible,
hexproof, or wither counter on it.