Lukara, Power Funneler

Whenever a creature dies, 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.)
{u/b}, Remove all counters from Lukara, Power
Funneler: Move all counters from permanents
you control onto Lukara. You lose 1 life for each counter moved this way.