March of the Dreadhorde

Amass X (Put X +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
If a creature died this turn, put X additional +1/+1 counters on an Army you control, then exile March of the Dreadhorde.
"In the end, it doesn't even matter..."