At least give us three months to play with our new card before you start punishing us
The Bracket system the Commander Format Panel introduced provides an excellent guideline for how your deck ought to function, and the Game Changer list indicates the cards that can tip your deck towards higher power levels
For example, you are a deck featuring a ton of instants and sorceries, so Brought Back will almost always be getting lands or planeswalkers, or end up being a dead card
As I mentioned before, I'll try to post an update if we get more information on Collector's Boosters, but I'm not sure if or when that info will come out
Once its on the battlefield, the second part triggers at the beginning of your upkeep, and the final effect triggers only when the last time counter is removed
Its one of the only cards that goes beyond just blinking some permanent you control and actually hitting any permanent or spell