Each time you cast a noncreature spell, you are essentially netting yourself an extra mana each turn thanks to Vivi's first ability
We know very little about this Universes Beyond MTG set
Lightning Angel gets you three damage a turn in the air, hits right away and keeps the rabble in check all for only four mana
Helitrooper is a surprisingly good buddy for Fervent Champion, low on the curve, for equipment decks
But a lot of fans, once they learned we were doing this collaboration, were like, What about Strixhaven Stadium as Blitzball stadium? People asked for this specifically, and I designed the original Strixhaven Stadium, too
Drop it early and it still gives you value, but wait until later and it can explode into a pile of Treasure big enough to win on the spot