Cyrus, Sram's Nightmare

Infect
At the beginning of your upkeep, put a -1/-1 counter on Cyrus.
When Cyrus dies, put X -1/-1 counters on up to
X target creatures, where X is the number of
-1/-1 counters that were on Cyrus.
Insidious 3 - {p/b}{p/g}