There are fifteen cards plus a foil token in each Collector Booster found in eight "slots" in the booster. The slots are as follows:
Corax White - $5.40
Averland Sunset - $5.40
Jokaero Orange - $5.40
Mephiston Red - $5.40
Barak-Nar Burgundy - $5.40
Screamer Pink - $5.40
Daemonette Hide - $5.40
Citadel Base Paints
Varies