Concealed-path Seeker

Ninjutsu {1}{u}{b} ({1}{u}{b}, Return an unblocked
attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Concealed-path Seeker deals combat
damage to a player, you may pay {2} and 2 life. If
you do, return up to one target instant or sorcery
card from your graveyard to your hand. Until
end of turn, it costs up to {2} less to cast and can't
be countered. Otherwise, surveil 2.