Caligo, Mist Mage

When Caligo, Mist Mage enters the battlefield Search your deck for Manga- Mist Giant, and place him on the battlefield
Whenever one or more Blue Creatures attack you, you draw The number of cards equal to the total number of Blue Creatures attacking you, attacking you
After one Turn Caligo, Mist Mage can be used as one {w} or {u} mana