Ophelia Snapfang

Whenever a creature enters the battlefield under
your control during an opponent's turn, you may
put a -1/-1 counter on target creature.
Whenever a creature with a -1/-1 counter dies,
you may draw a card.
{b}{g}{u},{t}: Create a 1/1 Snake token with deathtouch, then Proliferate.
Calm and cunning are her best qualities