Dread Queen Liliana

Whenever a nontoken creature you control leaves
the battlefield, amass 1. (Put a +1/+1 counter on
an Army you control. If you don't control one, create
a 0/0 black Zombie Army creature token first.)
Protection from white
{b}, Sacrifice a Zombie: Choose one—
• Target creature gets -2/-1 until end of turn.
• Targer player discards a card.