If multiple enchantments enter at the same time, you get to set the order of the triggers
While the artwork is great, this card seems sort of strange and more of a gimmick than a real, playable card
I think the current non-foil version would definitely lose some of its allure and price
The powerful elemental rewards you for playing a good spread of permanent types and works well with self-mill (turning your graveyard into you hand), self-sacrifice, or simply as a Sultai value commander
Now, milling your opponents in Commander is not always the best idea, but it is a pretty unique take on a tribal theme, and given that you can build around it to an extent
The Blue one will turn all of your stuff into one creature type, like Conspiracy