World Tree Dryad

As long as it's your turn and a Forest has entered
the battlefield this turn under your control, you
may play an additional land this turn.
{w}{u}{b}{r}{g}, {t}: You gain 1 life and draw a card.
Target opponent loses 1 life. World Tree Dryad
deals 1 damage to up to one target creature. You
create a 1/1 green Squirrel creature token.
The tree speaks, they listen.