Crawled, Venom Itself

Infect (This creature deals damage to creatures in
the form of -1/-1 counters and to players in the form of poison counters.)
At the beginning of your upkeep, put a -1/-1
counter on Crawled, Venom Itself. Then, put a
-1/-1 counter on another creature.
When this creature dies, destroy all creatures
with a -1/-1 counter.