Every Hideaway permanent before that always looked at the top four cards of the library
While it only affects the creature type you name, it provides cards when those creatures ETB or attack
One of the standard payoffs for opponents drawing extra cards is you drawing an extra card, which you can do with piggyback cards like Faerie Mastermind, The Council of Four, and Trouble in Pairs
In that sense, he's a character that is approachable to both old and new fans, and the fact that so many people keep coming to me asking for 'Sephiroth
Im unsure what the fix is here, but cutting one might be right
Then, if you have 11 or more cards in your hand, you can cast an instant or sorcery without paying its mana cost