Sleeping Dryad

Use no more than one, lasting to end of turn:
{1}{g}: Sleeping Dryad becomes a 2/1 Dryad with
Forestwalk (This creature can't be blocked as
long as defending player controls a Forest.)
{3}{b}: Sleeping Dryad becomes a 3/3 Dryad with
Deathtough and gains the color black.
{u}: Sleeping Dryad becomes a 2/1 Dryad with
"{t}, Tap a land you control: Add one mana of
any color.
"The woods are dreadful, dark, and deep. Within
boughs some thousand dryads sleep." -Nursery Rhyme