The Black Queen's Huntress

First Strike
When The Lady Dark's Huntress deals damage to
an opponent, place three -1/-1 counters on target
creature, gain 3 life, or draw a card.
{1}{b}{b}: The Lady Dark's Huntress gets -3/-0,
and gains either Deathtouch or Shadow until end
of turn. (This creature can block or be blocked by
only creatures with shadow.)
"The Dark Queen's keen selection of monster-slaying
spy maidens serve her loyally."