Blue has iconic cantrips like Ponder and Brainstorm and powerful draw spells like Fact or Fiction and Compulsive Research
Across Murders at Karlov Manor cards and products, you, too, can uncover clues to something biggerwith a final reward for the most assiduous of sleuths out there
Enchanting an opponents land to deal damage whenever it becomes tapped can help to trigger Valgavoth, while also locking down an opponents utility land or just keeping them behind the curve
Characters that are at locations are not banished or removed from play when the location they are at are banished
Chapter II on Elspeth Conquers DeathElspeth Conquers Death may not immediately strike you as powerful, but when combined with timely blink effects, your opponents will need to have an answer eventually, lest they remain unable to cast multiple noncreature spells in a turn
The other two cards here, Counterspell and Fatal Push, are perfect pieces of interaction