My stance is that the choice should be made group to group
It isn't terrible and may be quite strong in certain decks, but even in those decks there are probably better Supporters you could be using
If an effect causes a creature with changeling to lose all abilities, it will remain all creature types, even though it will no longer have changeling
Soon after, we got constellation frames in Theros Beyond Death and comic-book stylings in Ikoria: Lair of Behemoths
#5 More. More. Before Emrakul became a promised end, she took the form of torn aeons
Baseline Lay of the Land is fine, it is a bit of fixing, a shuffle, a way of filling up the yard a bit, just a nice cheap way of thinning the deck and tinkering with your land ratios