Shadows over Innistrad Remastered

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

Advanced Stitchwing | Creature | Zombie Horror | Flying {2}{U}, Discard two cards: Return Advanced Stitchwing from your graveyard to the battlefield tapped. | Johann Bodin

Curious Homunculus | Creature | Homunculus | {T}: Add {C}. Spend this mana only to cast an instant or sorcery spell. At the beginning of your upkeep, if there are three or more instant and/or sorcery cards in your graveyard, transform Curious Homunculus. | Filip Burburan

Daring Sleuth | Creature | Human Rogue | When you sacrifice a Clue, transform Daring Sleuth. | Seb McKinnon

Drunau Corpse Trawler | Creature | Zombie | When Drunau Corpse Trawler enters the battlefield, create a 2/2 black Zombie creature token. {2}{B}: Target Zombie gains deathtouch until end of turn. | Dave Kendall

Erdwal Illuminator | Creature | Spirit | Flying Whenever you investigate for the first time each turn, investigate an additional time. | Seb McKinnon

Manic Scribe | Creature | Human Wizard | When Manic Scribe enters the battlefield, each opponent mills three cards. Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, that player mills three cards. | Matt Stewart

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

Mercurial Geists | Creature | Spirit | Flying Whenever you cast an instant or sorcery spell, Mercurial Geists gets +3/+0 until end of turn. | Lake Hurwitz

Drownyard Behemoth | Creature | Eldrazi Crab | Flash (You may cast this spell any time you could cast an instant.) Emerge {7}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) Drownyard Behemoth has hexproof as long as it entered the battlefield this turn. | Jason Kang