FTP How to farm Soulburner for 9,000+ EASY LV 40! {Yu-Gi-Oh! Duel Links} - YouTube
Deck] Comprehensive, F2P farming guide for all LV40 gate duelists : r/ DuelLinks
Selling - 9800 Open Pack Duel Links Account with 9999 Gems and many deck $300 Negotiable - EpicNPC
Joshua on Twitter: "Any decks for farming Duel Links level 40 Kaiba without Union Attack/Lab builder? Have lots of cards now but I'm new and don't have those" / Twitter