Nedia, Esper's Hope

(You may cast this card any time when you could
cast an instant. If you do, it goes to the graveyard
after it resolved.)
When you cast this spell, target creature
connives 2. You may counter target spell if you
discarded two nonland cards this way.
When Nedia, Esper's Hope enters the battlefield,
you may search for a card in your library or
outside of the game that costs {w}{u}{b}, reveal it
and exile it. Shuffle your library afterwards. You
may cast it for {0} while it remains ex