Natsuko Tomi, Soul Reaper

Whenever a card is put into an opponents
graveyard from anywhere, if it was a creature
card, create a 2/2 blue and black Ninja
creature token. If it was an instant or sorcery
card, put a +1/+1 counter on Natsuko Tomi,
Soul Reaper.
Whenever an opponent draws one or more
cards except the first card they draw in each of
their draw steps, they mill that many cards.