Ralakshva, the Rootmother

Whenever a land enters the battlefield under
your control, Put a +1/+1 counter on each Dryad Creature you control.
{1}{g}{t}: Search your Library for up to 2 Basic
Land cards, and put them into play.
{1}{g}: all Dryad Creatures you control gain your
choice of Trample, Lifelink, or Vigilance until
end of turn.
The trees are always growing, and someday, they will strike.