Interested in directly linking to for your tournament or for your deck building application? It's super easy! Simply set the following GET parameters to have the fields automatically populated:

Please note that any field not specifically set will simply be left blank on the form.

Tournament organizer example, for an unregistered player:

Or a preregistered player:

Just replace the values above with your tournament's values; that's all! Please note that when creating a link, to replace spaces with %20; this is important!  :)

Deck building website example: