While theres no universal rule, most Commander decks should aim for around 38 or 39 lands, complemented by roughly 8 mana rocks, ramp spells, or mana-producing creatures (such as Sol Ring, Arcane Signet, Rampant Growth, or Birds of Paradise)
Powerful in her own right, her ability makes her ideal in a deck full of Ninjas
You can be especially spiteful with the Bowmasters and Narsets of the world, or you can just play the role of a leech and sit back with your Faerie Masterminds and such
I, of course, might be biased because I was not a Zoroark player back then (well, I was in Expanded) and on the contrary, some of my best results as a competitor have been thanks to Mew VMAX but trying to remain objective I still think Mew is a bit highly placed
Clear, glossy front allows your foil cards to shine brightly