Your search for "mastery 393" revealed the following:
Plains (393) (LCI) from The Lost Caverns of Ixalan, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Carlos Palma Cruchaga
Plains (393) (LCI) from The Lost Caverns of Ixalan, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Carlos Palma Cruchaga