Look at the top 4 cards of your deck. Add one of them to your hand, bury one, put one on the top of your deck, and put one on the bottom.
Strike - Look at the top card of your deck. You may bury it.
QDo I reveal the card added to my hand by this follower's Fanfare ability?
ANo, you don't.
QIf I have 3 cards in my deck, how do I resolve this follower's Fanfare ability?
ALook at the top 3 cards of your deck, add 1 of them to your hand, put 1 into your cemetery, then put 1 on top of your (now empty) deck. You don't put anything on the bottom of your deck.