Original sentence: In 2005 professional poker player David Williams played several of Long's decks at major tournaments.Long began writing strategy articles in 1998.Through his M:TG Insider website, Long built a community of players who use and discuss his decks and concepts
Edited sentence: His articles first appeared on theendgames but then soon also included mtginsider.Long built a small but active community of players introducing underground decks and concepts.Long's real video content remains the only non text or interview form of Magic training.Starting in 1998 Long started introducing content.The most notable members of this community are pro poker champ David Williams who played several of Long's decks