END STEP Edge of Eternities makes it fun to open a booster not just because of Booster Fun cards and bonus sheets, but also due to having so many amazing Uncommons and Commons
A 6/6 flier that can bounce the board every turn while also putting your own creatures that give you more energy back in hand is just something that has to be dealt with
From the wording on the official site, it seems like the Disney100 set might only be available from December 1st, not at the launch in LGS on November 17th

Historic Agent of Treachery Ajani, Nacatl Pariah Ancient Tomb Arid Mesa Armageddon Blood Moon Bloodstained Mire Brainstorm Broadside Bombardiers Channel Chrome Mox Commandeer Crop Rotation Dark Depths Dark Ritual Daze Demonic Tutor Devoted Druid Eldrazi Temple Entomb Field of the Dead Fireblast Flare of Cultivation Flare of Denial Flare of Duplication Flare of Fortitude Flare of Malice Flooded Strand Food Chain Force of Will Frantic Search Fury Grief Harbinger of the Seas Intruder Alarm Land Tax Library of Alexandria Lightning Bolt Mana Drain Marsh Flats Memory Lapse Mishra's Bauble Misty Rainforest Mox Opal Mystical Tutor Natural Order Necropotence Nexus of Fate Oko, Thief of Crowns Once Upon a Time Painter's Servant Polluted Delta Preordain Pyrokinesis Ragavan, Nimble Pilferer Reanimate Scalding Tarn Scholar of the Lost Trove Seething Song Show and Tell Sneak Attack Solitude Spreading Seas Strip Mine Subtlety Swords to Plowshares Temporal Manipulation Thassa's Oracle Tibalt's Trickery Time Warp Uro, Titan of Nature's Wrath Vampiric Tutor Veil of Summer Verdant Catacombs Wilderness Reclamation Windswept Heath Winter Moon Wooded Foothills Many cards banned in Pioneer are also banned in Arena's Historic format, though some, like Winota, Joiner of Forces, are notably absent from Historic's ban list due to the format having a wider range of responses for it

So, should you play Disturbed Spirits in Crimson Vow Standard