Doubling every token you create quickly turns modest plays into overwhelming board states, while flying and lifelink stabilize you as the engine comes online
On MTG Arena Zone, just click the COPY TO CLIPBOARD (ARENA) button and then paste the resulting text into a Word, Notepad, Docs or other document which can then be imported into Magic: The Gathering Arena
Better to bend our stance. They go on to discuss their approach to future novel mechanics that might upset the format, stating that If another card comes along that also does something novel that is incompatible with the format, well ban it immediately, but noted that stupidly powerful is not novel
They're meant to represent specific locations
Diancie will likely get a small event in Z-A, like Shaymin and Darkrai did in Legends: Arceus and despite how limited Diancie has been, it is popular, and soon it will get a chance to shine again