Orias, Spirits Advocate

Whenever a Rogue or Spirit you control deals
combat damage to a player, they exile the top
card of their library face down. You may play the
cards exiled in this way, and you may use mana
of any color to cast those spells.
Sneak Attack—Whenever you attack with one or
more other creatures, Orias, Spirits Advocate can
not be blocked this turn.