Just like in normal Sealed, having creatures with flying or trample is important, but even more so in Commander Legends with the emphasis on the monarch mechanic
Three decks is still a good number, variety wise, as it lets you bring say a Precon, a Bracket 3 deck, and then a Bracket 4 or cEDH deck
Ultra Ball #186 Pokemon Brilliant Stars Keep track of your collection value over time
After all, they make up the bulk of colorless cards out there
The size of the card varies slightly because I cut the cards myself
Here are all the banned cards from Historic: Agent of Treachery Blood Moon Brainstorm Channel Commandeer Counterspell Dark Ritual Demonic Tutor Force of Vigor Field of the Dead Intruder Alarm Land Tax Lightning Bolt Mana Drain Memory Lapse Natural Order Necropotence Nexus of Fate Oko, Thief of Crowns Once Upon a Time Ragavan, Nimble Pilferer Reanimate Show and Tell Sneak Attack Spreading Seas Swords to Plowshares Thassa's Oracle Tibalt's Trickery Time Warp Uro, Titan of Nature's Wrath Veil of Summer Wilderness Reclamation The Historic card pool is also used for a version of Brawl