Mystical Tutor Sculpting the top of your deck is good and all, but Mystical Tutor just lets you get what you need
You don't need to hit a Planeswalker card with it, and if you do you can just opt to put it on the bottom of your library along with the rest
When tables rely on nonbasics, this instant can wipe huge chunks off life totals and end games immediately
Unfortunately, we cant confirm whether or not this will happen until the leaks have been legitimized
Austere Command is split up into four selective board wipe effects, allowing the caster to pull off one-sided wipes against a variety of decks

Synthoids Aang and La, Ocean's Fury Aang's Iceberg Aang's Journey Aang, Destined Savior Aang, Master of Elements Aang, Swift Savior Aang, at the Crossroads Aang, the Last Airbender Aatchik, Emerald Radian Abandon Attachments Abandoned Air Temple Abandoned Campground Aberrant Manawurm Abhorrent Oculus Abigale, Eloquent First-Year Abigale, Poet Laureate Abomination, Terrifying Titan Abrade Abraded Bluffs Absolute Virtue Absolving Lammasu Absorbing Man Abstract Paintmage Abuelo, Ancestral Echo Abyssal Gorestalker Abyssal Harvester Abzan Devotee Abzan Monument Accumulate Wisdom Aclazotz, Deepest Betrayal Acolyte of Aclazotz Acrobatic Cheerleader Acrobatic Leap Action News Crew Adagia, Windswept Bastion Adamant Will Adaptive Automaton Adaptive Gemguard Additive Evolution Adelbert Steiner Ademi of the Silkchutes Adept Watershaper Adorned Crocodile Adrenaline Jockey Adventurer's Airship Adventurer's Inn Adventuring Gear Adventurous Eater Aegis Sculptor Aegis Turtle Aerial Doombot Aerith Gainsborough Aerith Rescue Mission Aether Syphon Aetherize Aetherjacket Aettir and Priwen Affectionate Indrik Afterburner Expert Aftermath Analyst Agate Assault Agate-Blade Assassin Agatha of the Vile Cauldron Agatha's Champion
