Bloodcrazed Valkyrie

Whenever an opponent is dealt combat damage,
put a +1/+1 counter on Bloodcrazed Valkyrie.
As long as there are three or more +1/+1
counters on Bloodcrazed Valkyrie, it has menace
and lifelink.
"They are a dangerous mix of ruthlessness and
elegance not normally seen in their kind. To mistake
them for a benign people might be the last mistake you
ever make."