Etheeda, Newly Free

Shaman and Elemental creatures you control get
+1+1 and flying.
{r}{r}{x}: Reveal the top x cards of your library
and choose 1; if that card has cmc x or less you
may cast it without paying its mana cost,
otherwise put it into your hand.
"Free me and I will show you many things."
- Etheeda, Thurston's pet