There are two types of decklists, one that GCCG likes, and another that
GCCG likes decklists in the form:
1 Sample Card
to add one “Sample Card” to the deck.
Sample Card, 1
When in doubt, use GCCG's format, it lets people use your deck by default. If someone wants to print your deck out, It's trivial to convert it by hand.
Put links to your deck here, prefix them with “deck:” like so: