Gold can be used to purchase some special cards, too
4 Chandra, Flamecaller Chandra, Flamecaller was a devastating card to play against when she was playable in Standard
If I know anyone who is looking to sell collectibles I will recommend to comic buying center
Standard Ranked puts you on the competitive ladder, using only the cards available in the Standard format at the moment, but if you have more cards from previous sets, choose Historic Ranked to have the freedom to use all the cards you want
Kenrith himself can spread those counters, but the Cauldrons next ability can do that as well when you exile a creature card from a graveyard
The more we hear about this upcoming set, we will update our blog with all reveals ( which you can read here