Disa can also go wide by creating a plethora of Tarmogoyf creature tokens depending on if the controller can consistently deal combat damage each turn
And whenever they gain life, you gain that much life, too
(12/8/2022) If you discard a card with madness to pay the cost of a spell or activated ability, that card's madness triggered ability (and the spell that card becomes, if you choose to cast it) will resolve before the spell or ability the discard paid for
But that's okay, because getting just the first trigger is pretty good
Now, ideally, this would be done in other ways or via the Whip of Erebos or something, but having all of this in one place makes Vito an incredibly potent card, and very much worthy of your fancy new deck
It's unblockable, so getting the damage through should be easy enough