Compelling Deterrence | Instant | | Return target nonland permanent to its owner's hand. Then that player discards a card if you control a Zombie. | Seb McKinnon
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
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
Ongoing Investigation | Enchantment | | Whenever one or more creatures you control deal combat damage to a player, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
{1}{G}, Exile a creature card from your graveyard: Investigate. You gain 2 life. | Bud Cook