There are two Single-Player Decks available for Disney Lorcana: Archazias Island
Cynthias Garchomp ex 232/182 This card pairs the beloved Champion Cynthia with her signature partner, Garchomp, in a scene rich with intensity and determination

Activated Sleeper Adaptive Sporesinger Akki Scrapchomper Alabaster Host Intercessor Alabaster Host Sanctifier Ambulatory Edifice Annex Sentry Apostle of Invasion Archfiend of the Dross Argentum Masticore Armored Scrapgorger Aron, Benalia's Ruin Ascendant Evincar Atmosphere Surgeon Atraxa's Skitterfang Atraxa, Grand Unifier Atraxa, Grand Unifier Atraxa, Praetors' Voice Attentive Skywarden Axiom Engraver Ayara, Furnace Queen Balduvian Atrocity Basilica Shepherd Battlefly Swarm Belbe, Corrupted Observer Benalish Sleeper Bilious Skulldweller Blackcleave Goblin Blade Splicer Bladed Ambassador Bladegraft Aspirant Blight Mamba Blight Pile Blight Titan Blightbelly Rat Blighted Agent Blightsower Thallid Blightsteel Colossus Blightwidow Blind Zealot Blinding Souleater Blistergrub Bloated Contaminator Bloated Processor Body Snatcher Bone Shredder Bonepicker Skirge Branchblight Stalker Brimaz, Blight of Oreskos Brudiclad, Telchor Engineer Brutalizer Exarch Burnished Dunestomper Cacophony Scamp Cankerbloom Capricious Hellraiser Carnifex Demon Cathedral Membrane Caustic Hound Cephalopod Sentry Chained Throatseeker Chancellor of the Annex Chancellor of the Dross Chancellor of the Forge Chancellor of the Spires Chancellor of the Tangle Charforger Chimney Rabble Chittering Skitterling Chrome Host Hulk Chrome Host Seedshark Chrome Prowler Cinderslash Ravager

We could see the potential for complexity as cards interacted with each other - but with only two hundred to pick from, there was always going to be a limit on how many cards could affect another
Printing defects are possible
There are a couple of tricky decks with 99 lands and a commander like Child of Alara, but that's another story