Bryseis of the Angelbane

Ninjutsu {2}{u}{b} ({2}{u}{b}, Return an unblocked
attacker you control to hand: Put this card
onto the battlefield from your hand tapped and attacking.)
Whenever Bryseis of the Angelbane deals combat
damage to a player, exile the top card of that
player's library. You may play any card exiled
this way without paying that card's mana
cost.