Making sure you have a handle on it during the game is all you can do, but if it's a skill you'd like to work out and make stronger I'd suggest any of these commanders as excellent options to up your game.
Today, Polygon can reveal two additional new cards dropping on Feb
Sly Spy: A creature with the ability to unblockably spy on players, echoing its mischievous intent

Example Decklist: Delney, Streetwise Lookout in Commander Baylen, the Haymaker | Illustration by Ryan Pancoast Commander (1) Planeswalker (1) Creature (35) Enduring Innocence Esper Sentinel Hare Apparent x28 Knight of the White Orchid Loran of the Third Path Phelia, Exuberant Shepherd Welcoming Vampire Witch Enchanter // Witch-Blessed Meadow Instant (11) Akroma's Will And They Shall Know No Fear Clever Concealment Dawn's Truce Eerie Interlude Erode Flawless Maneuver Galadriel's Dismissal Parting Gust Swords to Plowshares Thraben Charm Sorcery (4) Dusk // Dawn Morningtide's Light Raise the Past The Battle of Bywater Enchantment (3) Assemble the Players Caretaker's Talent Dawn of a New Age Artifact (9) Arcane Signet Marble Diamond Patchwork Banner Pearl Medallion Skullclamp Sol Ring The Mind Stone Thought Vessel Throne of Eldraine Land (36) Abandoned Air Temple Eiganjo, Seat of the Empire Emeria, the Sky Ruin Fountainport Minas Tirith Nykthos, Shrine to Nyx Plains x26 Scavenger Grounds Talon Gates of Madara War Room Windbrisk Heights This Delney, Streetwise Lookout deck is pretty straightforward

What if you didn't know what the rarity was because the expansion symbols were all the same color