Vanguard avatars are also used in casual games in MTG: Online, and the 2019 Mystery Booster set featured Ral's Vanguard as a test card
An extremely efficient deck, Izzet Delver relies on one-mana creatures like Delver of Secrets and Dragon's Rage Channeler to create solid flying creatures and then prevent your opponents from doing anything with a strong counter package
With flying and Vigilance, a */3 is pretty incredible
This allows us a lot of flexibility in our gameplan - we can freely cast spells and execute our strategy on our turn, which leaves us the option to hold mana for board protection and interaction on our opponents turns if necessary
Whereas Commander ups players deck sizes and health totals, Lorcana simply opens up the option for attacking different opponents without any other necessary changes
You want to get rid of Chromatic Stars, Ichor Wellsprings, and Experimental Synthesizers, making this a no-brainer removal spell in many decks