Amoeboid Changeling The main use of Amoeboid Changeling is manipulating creature types, especially your opponents
This can be anything from a double prize loss, meaning your opponent has to take less prize cards, or you may simply be handed a game loss, depending on the severity of the infraction
If you had a ticket to the event and queued up at the Lorcana booth, you could purchase a Booster Box and Starter Deck for The First Chapter
You wont be doing any infinite loop shenanigans with Maha, its Feathers Night and Night of Souls Betrayal, but your opponents will never get a creature into play
It remains to be seen if thatll damage the finances of those mythics, but really, itll be all about Commander demand
To identify the best, I primarily lean on efficiency