Tree Stalker

When Tree Stalker enters the battlefield, choose a creature. When that creature dies,
put 3 +1/+1 counters on Tree Stalker and it gains trample.
---{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}
Sometimes in the forest, you are not truly alone.