It's unknown if the Eldrazi are truly gone for good, as they exist outside the planes they physically travel
Force of Will has defined countermagic since its release (and even has some of Magic's funniest proxies!)
Also, having more than eight fatties is pretty nice
To actively mill your opponent, youll need to catch them with Didnt Say Please, stick an early Eye Collector (probably the most important enabler), or suffer playing Merfolk Secretkeeper (a combination of very two underwhelming cards, Tome Scour and Kraken Hatchling)
Wrapping It Up This isn't an exhaustive list, and Wizards of the Coast is likely to print more Creature modifying cards in the future
A lot of white decks are creature-heavy, so having a flying body that helps find you more value creatures will just make sure your gameplan continues to chug along