While it remains to be seen how impactful this card will be, Im already seeing people talk about it as a potential cEDH inclusion
That fact alone makes it quite flexible around blue removal spells
Because Vivi's mana ability can only be activated on your turn, you can use it to cast big spells, and leave your lands open for counterspells or protection spells to keep Vivi alive until your next turn
With only four options to choose from, and all but one of them costing three mana, we're not really seeing a slam dunk here outside of Korlessa, Scale SingerKorlessa, Scale Singer
Three of my friends are using or have used a variety of programs
With this being said, Starfield ShepherdStarfield Shepherd is the best warp card, although I ranked it 10 th in my original article, and it's all because of the flexibility I ill-judged the first time