With 505 commons needed to reach max level for a card I need plenty of the above.
Also, in a recent post from steemmonster DEC or Dark Energy Crystals are the next thing on their road map. I presume dealing with this funding campaign will be the top priority atm but then it will be DEC.
This in game currency rewards people for playing and for burning cards, it can also be used for purchasing. I think making sure it can't be abused is a priority but it will bring the game more inline with others about card trading as they all have an in game currency.