They are built for players who want the most visually impressive versions of cards
Regardless of what the price ends up being, the artwork on this Swords to Plowshares is an absolutely beautiful upgrade for some of the Final Fantasy Commander precons

Aang and Katara Abaddon the Despoiler Abandon Hope Aberrant Aberrant Manawurm Abian, Luvion Usurper (playtest) Abuelo's Awakening Abzan Monument Academy Elite Accelerated Mutation Access Denied Accessories to Murder Accomplished Alchemist Acolyte's Reward Acornelia, Fashionable Filcher Adipose Offspring Aeon Chronicler Aerith Gainsborough Aether Refinery Aettir and Priwen Agadeem's Awakening Agatha of the Vile Cauldron Aggressive Biomancy Agility Bobblehead Ajani, Caller of the Pride Ajani, Outland Chaperone Ajani, Valiant Protector Ajani, Wise Counselor Akroan Hoplite Alabaster Potion Aladdin's Lamp Alandra, Sky Dreamer Alexander Clamilton Alexi, Zephyr Mage Alibou, Ancient Witness Alibou, Ancient Witness Alistair, the Brigadier All-Fates Scroll All-Seeing Arbiter Alliance of Arms Allied Assault Alpine Houndmaster Alquist Proft, Master Sleuth Altar of the Goyf Altar of the Wretched Altered Ego Ambitious Dragonborn An-Havva Inn Ancestral Anger Ancient Brass Dragon Ancient Bronze Dragon Angelic Exaltation Anim Pakal, Thousandth Moon Animist's Awakening Animus of Night's Reach Another Round Antarctic Research Base Anthroplasm Anzrag's Rampage Apocalypse Hydra Apothecary White Appeal // Authority Appeal // Authority Arabella, Abandoned Doll Arachnogenesis Arahbo, Roar of the World Arashi, the Sky Asunder Arbor Adherent Arboreal Alliance Arcane Omens Arcanis, the Omnipotent Avatar Arcbound Javelineer

Some want collector hits
Any of the main heroes could make for solid Commanders in their own right, though, with most wielding multiple mana colours and having unique, potentially game-changing abilities
For a single Blue, you can counter an instant, sorcery or enchantment