Most major online retailers and Local Game Stores (LGS) maintain active buylists:
Vendors use buylists to replenish their inventory of "singles" (individual cards) for resale. How MTG Buylists Work
: Sites like Card Kingdom and TCGplayer have automated systems for submitting "sell orders."
: Many shops, such as Gator Games or ENNDAL GAMES , post physical or digital lists of specific cards they are currently "hot" for at premium rates. Common MTG "Lists" (Disambiguation)