Maiden with Eyes of Blue

Whenever Maiden with Eyes of Blue becomes
the target of a spell or ability, or whenever
Maiden with Eyes of Blue blocks or becomes
blocked by a creature, you may pay {x}. If you do,
untap and remove Maiden with Eyes of Blue
from combat, then return target Dragon creature
card with converted mana cost X from your graveyard to the battlefield or search your library
for a Dragon creature card with converted mana
cost X, put it onto the battlefield, then shuffle
your library.