Spirit with Eyes of Blue

You may cast Spirit with Eyes of Blue from your deck by sacrificing an Azure creature with mana value 4 or less.
When Spirit with Eyes of Blue enters Search your library for a white land, reveal it, add it to your hand, and shuffle.
If Spirit with Eyes of Blue was cast from the deck
it gains "Sacrifice Spirit with Eyes of Blue: put an Azure creature from your hand or graveyard onto
the battlefield tapped."