Deep of Blue Eyes

You cannot cast this card unless you control a
white dragon creature.
Flying
When Deep of Blue Eyes enters the battlefield,
search your library for a white dragon creature
card with converted mana cost eight or greater,
reveal it, then add it to your hand and shuffle
your library.
Exile this card from your graveyard: Put a
+1/+1 counter on each white dragon creature
you control until the end of this turn. Activate
this only as a sorcery.