18 cards where the card types include “basic” and the artist name includes “karl kopinski”

Mountain (Core Set 2020 #274)
Mountain (Commander Anthology Volume II #304)
Mountain (Commander Anthology #307)
Mountain (Duel Decks: Mind vs. Might #62)
Mountain (Commander 2015 #338)
Mountain (Commander 2014 #332)
Mountain (Duel Decks: Speed vs. Cunning #36)
Mountain (Magic 2015 #265)
Mountain (Duel Decks: Heroes vs. Monsters #37)
Mountain (Magic 2014 #244)
Mountain (Magic 2013 #244)
Mountain (Magic 2012 #243)
Mountain (Commander 2011 #313)
Mountain (Magic 2011 #245)
Mountain (Magic 2010 #244)
Mountain (Salvat 2011 #219)
Mountain (Magic Online Theme Decks #B39)
Mountain (Duels of the Planeswalkers #108)

This search is finished. Now the real work can begin.