Use flicker effects to bring the engine in and out of play, to give multiple opponents boards full of -1/-1 counters and reuse its proliferate effect
We'd stand in line outside the electronics section, sometimes for 30 minutes or more, where it was limited to one booster pack per person
Vindicate is a card that pretty much conforms to the optimal situation of being twice as powerful as an equivalent mono coloured card, in this case Desert Twiseter, therefore making it a cube mainstay even if you are a total fascist against gold
It shouldnt be too difficult to enable this over and over again in a dedicated sacrifice deck, so all you need is a Warstorm Surge or Pandemonium and youre off the races
Proliferate has always been a boon in these types of decks, and now with the mechanics card pool nearly doubled, we should expect to see counters happening even more
You'll be able to open them exclusively in Collector Boosters