Sure, you would probably pick Dig over Treasure Cruise when you know you are in control but you are still happy to run either, sometimes both
Eldritch EvolutionEldritch Evolution can be a game changer in the right situation, as it can get a big creature from our library out of nowhere
The drawback here is a creature or artifact sacrifice, but in today's game with treasure and other artifact tokens plentiful, this may not be so painful
Sir Hiss could be an excellent option to include as a way to counter pesky opposing Evasives
Baleful Strix Grima, Saruman's Footman Dimir Infiltrator Master of Death Lazav, Dimir Mastermind Halo Forager Obsessive Stitcher Araumi of the Dead Tide Etrata, the Silencer Tomebound Lich Cavern Harpy Dimir Guildmange Tidehollow Strix Oonas Gatewarden Aven Hearstabber Big Monsters Dimir doesn't have as many large creatures as other colors, but it does have a few
Its only in the decade or so since Innistrad that spirits have become one of the premier tribal decks in tournaments: a Blue-White deck that flies over creatures and heavily disrupts enemy removal