Those numbers will shift a little bit depending on what you open, but broadly that's where you should aim to be
Advanced Search Sets Random Syntax Release date: 2014-05-21 Advantageous Proclamation Backup Plan Brago's Favor Double Stroke Immediate Action Iterative Analysis Muzzio's Preparations Power Play Secret Summoning Secrets of Paradise Sentinel Dispatch Unexpected Potential Worldknit Brago's Representative Council Guardian Council's Judgment Custodi Soulbinders Custodi Squire Rousing of Souls Academy Elite Marchesa's Emissary Marchesa's Infiltrator Muzzio, Visionary Architect Plea for Power Split Decision Bite of the Black Rose Drakestown Forgotten Grudge Keeper Reign of the Pit Tyrant's Choice Enraged Revolutionary Grenzo's Cutthroat Grenzo's Rebuttal Ignition Team Scourge of the Throne Treasonous Ogre Predator's Howl Realm Seekers Selvala's Charge Selvala's Enforcer Brago, King Eternal Dack Fayden Dack's Duplicate Deathreap Ritual Extract from Darkness Flamewright Grenzo, Dungeon Warden Magister of Worth Marchesa, the Black Rose Marchesa's Smuggler Selvala, Explorer Returned Woodvine Elemental ther Searcher Agent of Acquisitions Canal Dredger Coercive Portal Cogwork Grinder Cogwork Librarian Cogwork Spy Cogwork Tracker Deal Broker Lore Seeker Lurking Automaton Whispergear Sneak Paliano, the High City Ajani's Sunstriker Apex Hawks Courier Hawk Doomed Traveler Glimmerpoint Stag Guardian Zendikon Intangible Virtue
I could also see it as being an easy gateway into, or back into, the card game, since the way Arena can communicate information at a glance makes it easy to learn about all the new mechanics that have been introduced in the last few expansions
Activate it once, it's a 5/12
Blue decks have had an opening on three for a while and a lack of quality hard counters short of Cryptic Command
