Suggestion for an update of the merchant.

As you enter the merchant, it should show you two sections:
1. Gold store
2. SC store

1. In the gold section there should be all gold possibilities:
- Buy Cards
- Sell Cards

2. In the sc section all shadow crystals possibilities:
- Packs
- Decks
- Sleeves
- Playmats
- get more crystals ("buy shadow crystals" and "earn crystals")
- Special

The new "Special" area should be used for e.g. limited time sales promotions like "Pick a card".