Vrondiss was definitely the strongest of the initial wave of die rolling commanders, but it has the least support for building around die rolling (and a bunch of other compelling themes)
Team Unicorn: When the player duels against Andre, he has 2000 Life Points, "Thunder Unicorn" in Attack Position and 1 Set monster ("Playful Possum")
Its synergy with Giratina and Lunala transforms it into a deck that feels smooth to play but punishes mistakes, perfect for intermediate to advanced players
UR Ultra Rare Harpie Lady Elegance X TRAP Shuffle 1 "Harpie Lady Sisters" from your Monster Zone into the Deck, then you can Special Summon 3 "Harpie" monsters with different original names, 1 each from your hand, Deck, and GY
If you dont have enough as the ability resolves, the ability has no effect
It can also negate and destroy any card that targets a Blue-Eyes monster by banishing itself from the Graveyard