Both Prime Speaker Vannifar and Vannifar, Evolved Enigma are viable, interesting commanders: The former works for a Birthing Pod or pod style deck, while the Murders at Karlov Manor printing is built for cloak, disguise, morph, manifest, and all those mechanics that play with colorless, face-down creatures
The list goes on for a while
While Commander precons are usually themed around certain characters, colors, or strategies, the twist with these is that each one is built around a single Final Fantasy game specifically VI, VII, X, and XIV
Functionally, the card is the same as the regular version at number 10 - Lands that can tap for two mana are great
Flusterstorm | Illustration by Erica Yang In Magic: The Gathering, storm cards are spells that copy themselves for each other spell cast before it during the same turn