Hahaha, @emitv, you've just expressed my own thoughts! I'm on the threshold of Silver III, thanks for informing me that my daily rewards will double 😄.
A friend who began playing SL when it had just launched, @newenx, was explaining some time ago that during the whole SL first epoch all rewards were cards - no "2 credits" or "a Legendary potion" chest opening experience: pure daily cards.