The Paths, as they were originally called in design, went into the file early and made it all the way to print
Essentially, if you set your deck up right, you just have to play Gyruda and then you win the game

Scientists Aang's Defense Abandon Attachments Aberrant Abeyance Abomination of Gudul Abundance Abundant Growth Abzan Banner Abzan Beastmaster Academic Dispute Academy Elite Academy Loremaster Academy Raider Academy Wall Accelerate Accumulated Knowledge Aclazotz, Deepest Betrayal Acquisition Octopus Acrobatic Maneuver Action News Crew Adrestia Advancing the Spirit Adventure Awaits Adventurer's Airship Aegar, the Freezing Flame Aeon Chronicler Aerial Extortionist Aesi, Tyrant of Gyre Strait Aether Channeler Aether Spellbomb Aether Syphon Afflict Afterlife Insurance Agency Coroner Agent 13, Sharon Carter Agent Maria Hill Agent Venom Agent's Toolkit Aggressive Urge Agna Qel'a Agonasaur Rex Ahriman Air Nomad Legacy Airbending Lesson Airborne Aid Airship Crash Airship Engine Room Akiri, Fearless Voyager Akki Ronin Akki Scrapchomper Akoum Flameseeker Akroma's Blessing Akroma's Vengeance Aladdin's Lamp Alandra, Sky Dreamer Alania, Divergent Storm Alaundo the Seer Alchemist's Apprentice Alchemist's Vial Aleatory Alhammarret's Archive All-Seeing Arbiter Alms Collector Alpharael, Dreaming Acolyte Alphinaud Leveilleur Alquist Proft, Master Sleuth Altanak, the Thrice-Called Altar of the Wretched Amass the Components Amber Gristle O'Maul

When I sat down to pen this article, researching Magic: The Gathering cards in more detail, my goal was to put together a list of the most expensive cards from the game organized 20 to 1
Enjoy his commentary below
The flow is actually remarkably similar to the mainline Pokmon games: you can choose from a Bulbasaur, Charmander or Squirtle deck at the beginning, and your overall goal is to win the 8 medals from different Gyms, or Clubs as they're known here, so that you can go on to inherit the Legendary Cards