Realia, Thief of Thoughts

Flying, vigilance, haste, deathtouch
When Realia, Thief of Thoughts enters the
battlefield exile the top five cards of any one
opponents library.
You may play cards exiled
with Realia, Thief of Thoughts as though
they were of any color.
{t}{x}{4}: Exile the top X cards of target
opponents library.