For all these special treatments, the Set, Draft, and Collector Booster breakout section of the article above talks about which slots you can find these cool treatments in the respective booster product
Extra ink each turn
Before drawing cards, try to eliminate as many cards and stacks as possible using the resources already on the table
Its fair to see that most people have found at least one of these to be to their tastes now, and the most recent releases - basically all of the ones named above - have ranged in quality from being very good to exceptional, making the concept a pretty resounding success
I definitely find that sort of discussion interesting, though I'm not looking to position myself as an expert on these things
There are very few ways to actually lose energy counters outside of spending them, but it is possible with stray cards like Suncleanser and Final Act