Vivi doesn't feel quite broken enough to see play in Legacy, and Blazing Shoal isn't legal in Pioneer or Standard, so the only hope for this pair to appear in constructed is if Blazing Shoal is unbanned in Modern
Take Sorceress's Schemes, for example
World Of Final Fantasy OpenCritic Reviews Top Critic Avg: 78 /100 Critics Rec: 60% Released October 25, 2016 ESRB e Developer(s) Tose Publisher(s) Square Enix Engine Orochi 3 Franchise Final Fantasy Genre(s) JRPG 5 The Gullwings from Final Fantasy X-2 The Gullwings Could Force the Enemy Into a Minigame Final Fantasy X-2 had a unique take on the Job mechanic, where the characters placed Dresspheres (the source of the jobs) on a grid, which they could move between to switch between them in battle
If you play a Song action, then you may exert a Character with a cost equal to or higher than the Song to play it for free
I know it's not for everyone, but if you like powerful rares, there are some rad ones like Cool but Rude, The Ooze, and Splinter's Technique
So, what did you think of The Emperor [27-098L]