Teyo works in more archetypes that the blue one, Vronos, since it's good in planeswalker decks with it's +1, and most other decks with it's -2, but Teyo is good in planeswalker decks too since he makes a free flyer to block attacks as well as Defenders, Toughness, Group Hug with his +1, Pillow Fort with the -2 to force attacks elsewhere save for one, Politics decks, and any white deck that wants pure card draw
For example, if you open a sealed pool with 2-3 of these and 6-7 artifacts that cost three mana or less, then you should move in and just go for it
The live stream also revealed the mechanics for the set which include four new element bending techniques that align with those from the series
It takes money, too
I have a bit of hatred for later sets that use copy/pasted Ken Sugimori artwork on plain backgrounds, I think its super lazy