5 cards where the set is “sld” and (the collector number = 523 or the collector number = 511 or the collector number = 512 or the collector number = 507 or the collector number = 535)

Chandra, Fire Artisan (Secret Lair Drop #512)
Kasmina, Enigmatic Mentor (Secret Lair Drop #507)
Ob Nixilis, the Hate-Twisted (Secret Lair Drop #511)
Ral, Storm Conduit (Secret Lair Drop #523)
Samut, Tyrant Smasher (Secret Lair Drop #535)

Their mind whirled with grand plans, never thinking of what might happen if they got to the end of the list.