Urza, Lord High Artificer isnt a commander that's here to play fair: It's one of the top cEDH commanders (which is even more impressive given the hard time mono-colored commanders have at the highest tier), and it already has another crazily priced printing: Its Mystery Booster 2 version hovers around $380
The Sapphire/Steel deck accelerates resources to cheat out big characters early, the Emerald/Ruby deck had lots of character removal and ways to steal Lore from the opponent, and the Amber/Amethyst deck had lots of card draw and could pull off many tricks and combos
Early in the game, both these features of adding an extra card to the inkwell and getting to add a card to the hand are crucial
While some players prefer Yuna, Hope of Spira as a summoner, shes more expensive to bring onto the field and can only bring back one spent Enchantment from the graveyard
Additionally, Jim Hawkins can move to a new location for free whenever one is played
That, combined with a quick guide to the steps of each turn printed on each side, made it really easy to pick up Lorcana's basics with a card game novice