Godzilla itself will only be available as a Buy-a-Box of Ikoria booster boxes, while 15 of the other Godzilla Series Monsters will only be available as part of Ikoria Collector Boosters or as one of the random additional Box Toppers with Ikoria booster boxes
Bloodghast can often be found in non-Vampire centric decks, as its ability makes it ripe for exploitation
That said, some booster products make more sense for serious players than others
Anax and Cymede & Kynaios and Tiro's last ability goes on the stack and resolves before the spell that caused it to trigger
Even if we add another couple of bucks for the commons, uncommons, and foil slot, a pack of Modern Masters 2017 isnt worth considerably more than a pack of Modern Masters 2015
You miss so many payoffs that I question if its worth the attempt to stitch together artifact payoffs and colorless eldrazi payoffs