But for collectors, lets not mess around: its all about the ultra rares
Id expect it to be solid in UR spells decks
If both players make their land drops and have spells to cast each turn, it's better to be on the play
Arcane Signet The ultimate 2-mana rock for Commander

Labs Abandoned Air Temple Abandoned Campground Abandoned Outpost Abraded Bluffs Abstergo Entertainment Abundant Countryside Academy Ruins Access Tunnel Accursed Duneyard Adagia, Windswept Bastion Adanto, the First Fort Adarkar Wastes Adventurer's Inn Adventurers' Guildhouse Aether Hub Agadeem, the Undercrypt Age-Graced Chapel Agna Qel'a Airship Engine Room Akoum Refuge Akoum Teeth Alchemist's Refuge Ally Encampment Alpine Meadow Amonkhet Raceway An-Havva Township Ancient Amphitheater Ancient Den Ancient Spring Ancient Tomb Ancient Ziggurat Animal Sanctuary Arcane Lighthouse Arcane Sanctum Arch of Orazca Archaeological Dig Archway Commons Archway of Innovation Arctic Flats Arctic Treeline Arena Arena of Glory Argoth, Sanctum of Nature Arid Archway Arid Mesa Asgardian Citadel Ash Barrens Atzal, Cave of Eternity Auntie's Hovel Avengers Hangar Avengers Tower Avishkar Raceway Axgard Armory Aysen Abbey Azcanta, the Sunken Ruin Azorius Chancery Azorius Guildgate Ba Sing Se Bad River Badlands Bala Ged Sanctuary Balamb Garden, SeeD Academy Baldur's Gate Balduvian Trading Post Ballroom Bant Panorama Barad-dr Barbarian Ring Barkchannel Pathway Baron, Airship Kingdom Barracks of the Thousand

These are the best Pokmon packs to buy for profit for numerous reasons: some are beloved by the community, others have outstanding art, and still others, like Crown Zenith, might have crazy pull rates