Adelmar, Nature's Fist

Haste

Dreadful (This creature can only be blocked by
creatures with total power greater than or equal to this creature's toughness.)

{2}{g}, Tap another untapped green creature you
control with power 3 or greater: Adelmar, Nature's
Fist gets +3/+3 until end of turn. Untap it.

The forest is not helpless.