Starter Cards are a card type. They are not shuffled in with the other large cards because they are the shops (such as Kaballa's Market) that begin the game in-play on the table.They should be placed face up in view of all players.
In early printings, Starters, like Carrot cards, were printed with a pink Timid Bunny on the back. In later printings they were given grey backs. Starter cards are indicated by a yellow Bullet.