The Human has morph and can be morphed later, although I doubt you'll want to do that since you'll be spending four mana instead of just three and it's the only morph card in the deck
To remove one of the opponents win conditions, youll have to damage it first for Lady Tremaine Bitterly Jealous to remove, so there are extra steps to do
Of course, vintage packs aren't in circulation anymore, so they're increasingly valuable - and will remain expensive until the heat death of the universe, probably
Another card advantage adjustment to make for Commander is to remember that recurring card advantage is significantly more potent than one-time effects
Whenever Sephiroth enters or attacks, you may sacrifice another creature
If youre bringing custom cards or proxies to a table, a five-second heads-up avoids 95% of awkwardness