Exterminator card

Directions
From inside the entrance to the black and white town's dungeon:
 * Up
 * Up
 * 1) Left
 * Up
 * 1) Up on the left side of the box
 * 2) Right
 * 3) Push button
 * 4) Left
 * 5) Left
 * 6) If blocked by blue cubes, backtrack to terminal on the right side of the dungeon and activate it
 * 7) Up past the wall
 * 8) Right

Follow the path to the card, up some stairs.