Exchange tickets are special tickets that can be used to trade for spectacular items.
In Skybound Dragons, apart from the 2 regular exchange tickets, you can also obtain 6 different Six Dragons exchange tickets.

A regular exchange ticket can be traded for your choice of a Leader Set, Card Style & Home Screen Background Set, or Visage Set,
while a Six Dragons exchange ticket can be traded for your choice of a Leader Set or Card Style & Home Screen Background Set.

Acquiring a card style allows you to change the art of all copies of that card in a deck. Visage Sets contain all 5 color variations.