Kithkin Brinefarer is a rare Creature — Kithkin Warrior Bard card from Alchemy: Lorwyn Eclipsed (YECL), collector number 21.
Whenever a Kithkin card is put into your hand from your library, conjure a duplicate of that card into your hand. Whenever you attack, Kithkin creature cards in your hand perpetually get +1/+1.