They can be used to get the most out of your dice-rolling cards, or cards that care about rolling dice
Plus, it can be a real threat in the red zone if the game goes on for a bit
The downside is that it is very weak to triggers
The deck is filled with spells to slow things down while a player sets up the combo, but with the starts mentioned above, players can easily win on turn 2

Advanced Search Sets Random Syntax Moonsnare Prototype Muddle the Mixture Murder of Crows Muse Seeker Mystic Denial Mystic Meditation Mystic Redaction Nagging Thoughts Namor, Scourge of the Seas Neurok Prodigy Neutralize Nezahal, Primal Tide Nimble Obstructionist Norman Osborn Oath of Jace Oath of Scholars Obscura Alleylurkers Obsessive Search Occult Epiphany Ominous Seas Ominous Sphinx Oracle of Dust Oracle of Tragedy Ormos, Archive Keeper Orvar, the All-Form Overlord of the Floodpits Overtaker Overwhelmed Archivist Owl Familiar Pendrell Drake Pharaoh Rama-Tut Pilfering Hawk Pirate Hat Pollywog Symbiote Pollywog Symbiote Pop Quiz Pore Over the Pages Power Taint Primoc Escapee Probe Prognostic Sphinx Projektor Inspector Prying Eyes Psionic Snoop Psychic Overload Psychic Pickpocket Psychic Purge Psychic Vortex Pull from Tomorrow Pulsating Illusion Pulse of the Grid Qiqirn Merchant Quicksilver Fisher Rain of Revelation Raving Visionary Read the Runes Rebuild Recall Reconnaissance Mission Refute Rescind Research Assistant Resounding Wave Rewrite History Rhet-Tomb Mystic Rhystic Scrying Riddlesmith Riptide Survivor Rites of Refusal River Serpent Roiling Dragonstorm Rona, Herald of Invasion

The first two are each accompanied by a rule booklet which walks players through the opening turns of a game, so they simply need to lay out the cards as instructed and follow the tutorial