Titanic Forestlord

Hexproof, reach, trample
Whenever a -1/-1 counter is placed on a creature,
place a +1/+1 on target creature you control.
When Titanic Forestlord attacks, place a +1/+1
counter on Titanic Forestlord. When Titanic
Forestlord has four or more +1/+1 counters on it,
place them on another creature of your choice.
—As it emergered from the trees, charged. Each blow
it landed, it grew another ten feet.