Rae, Willing Guide

{t}: Add {g}{g} to to your mana pool
When Rae, Willing Guide enters the battlefield,
you may search your library and graveyard for up
to X lands and put them into your hand. Then,
you may put a land from your hand into the battlefield.
If X is 10 or more, you may draw that many
cards if you have played a land this turn.