Poisonous Hopper

Deathtouch, Hexproof.
When Poisonous Hopper deal combate damage to
oponent's life, it get a +1/+1 counter.
3 counters Poisonous Hopper get menace.
5 counters Poisonous Hopper get Trample.
10 counters Poisonous Hopper get forestwalk
and stop gain counters.