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

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

Furtive Homunculus | Creature | Homunculus | Skulk (This creature can't be blocked by creatures with greater power.) | Wayne Reynolds

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

Rattlechains | Creature | Spirit | Flash
Flying
When Rattlechains enters the battlefield, target Spirit gains hexproof until end of turn.
You may cast Spirit spells as though they had flash. | Lius Lasahido

Seagraf Skaab | Creature | Zombie | | Jama Jurabaev

Thing in the Ice // Awoken Horror | Creature // Creature | Horror // Kraken Horror | Defender
Thing in the Ice enters with four ice counters on it.
Whenever you cast an instant or sorcery spell, remove an ice counter from Thing in the Ice. Then if it has no ice counters on it, transform it. // When this creature transforms into Awoken Horror, return all non-Horror creatures to their owners' hands. | Svetlin Velinov