Arin-Kiel, Grand Wave

Arin-Kiel, Grand Wave cannot be
blocked by creatures of lesser power
Arin-Kiel, Grand Wave cannot
attack or block unless you
have 10 or more cards in your graveyard
{2}{u}{b}{g} put the top 7 cards of
your library into your graveyard,
you may put a creature card from
your graveyard into your hand.