Troll of Bramblemarsh

Trample, haste
When Troll of Bramblemarsh enters the battlefield, each opponent creates a 1/1 green Elf creature token with haste and. "{t}, Put two -1/-1 counters on target troll. Tap it."
Whenever this creature attacks, remove all -1/-1 counters from it.
"Why is my foot hurting? Ow! Damn, elves."