Tegweyll works particularly well with the alternate commander from the box, Alela, Cunning Conqueror
So it has some extra uses you can squeeze out
Not only is it a shiny version of an already beautiful card, but as mentioned before, it's just downright useful in Token, Counter, and Commander decks
If the number has a gold circle around the hexagon (it looks a bit like the James Bond gun barrel) the card can alternatively be placed in your inkwell to use the card as ink to play other cards
She seems perfect as a hasty threat in something like Ramunap Red, but a 2/2 with pseudo-firebreathing will just always be outclassed in the format of giant beef
It also works well in milling decks as a way to mill while doing something useful