Zwaraxxa, Dune Dragoness

Flying, Desertwalk
All basic lands are deserts in addition to their other
types.
Dragons you control get +1/+3 and have Desertwalk.
{w}{w}{w}, {t}: Search your library for two basic lands
or a Dragon card with mana cost 4 or less and place
it into your hand. Dragon spells searched this way
cost {2} less to cast this turn.