leyline of the waste

If Leyline of the Waste is in your opening hand, you may begin the game with it on the battlefield.

Whenever an opponent discards a creature card,
create a 2/2 black Zombie creature token.
Whenever an opponent discards a land card, add {b}{b}.
Whenever an opponent discards a noncreature, nonland card, draw a card.
{b}{b}{b}: target opponent discards a card