Shadows over Innistrad Remastered

Spectral Shepherd | Creature | Spirit | Flying {1}{U}: Return target Spirit you control to its owner's hand. | Johann Bodin

Fleeting Memories | Enchantment | | When Fleeting Memories enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Clue, target player mills three cards. | Christine Choi

Nebelgast Herald | Creature | Spirit | Flash (You may cast this spell any time you could cast an instant.) Flying Whenever Nebelgast Herald or another Spirit enters the battlefield under your control, tap target creature an opponent controls. | Zezhou Chen

Pieces of the Puzzle | Sorcery | | Reveal the top five cards of your library. Put up to two instant and/or sorcery cards from among them into your hand and the rest into your graveyard. | Magali Villeneuve