Lurbuk, Orcish Bard

Rehearse (At the beginning of your upkeep, put a
verse counter on this permanent.)
{t}:Remove any number of verse counters from permanents you control, then put that many -1/-1 counters on target creature.
Whenever a creature with a -1/-1 counter on it
dies, draw a card.
"Worst Bard Ever!"