Innistrad: Crimson Vow

Scattered Thoughts | Instant | | Look at the top four cards of your library. Put two of those cards into your hand and the rest into your graveyard. | Brian Valeza

Repository Skaab | Creature | Zombie | Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Repository Skaab exploits a creature, return target instant or sorcery card from your graveyard to your hand. | Olivier Bernard

Cruel Witness | Creature | Bird Horror | Flying Whenever you cast a noncreature spell, look at the top card of your library. You may put that card into your graveyard. | Vincent Proce