Fuck I'm in silver 3 I think. The potions have some value as they increase the likelyhood of rare cards.. They are worth it in my opinion if you're opening up a bunch of packs.
Still trying to figure out my next move. Still waiting back to hear some official reasoning to this from aggy or matt.
DEC was set to rise a fair amount do to SL development and me including it in my site.. However not sure I want to support their ecosystem at this moment.
Buying booster packs and than working on getting lucky with potions. That is what they see worth investing in. Luck investment!