Jill, Shivas Dominant / Shiva, Warden of Ice Exclusion Mage baseline + a powerful flip mode make Jill, Shiva's Dominant a great card for any deck
In Magic: The Gathering's widely popular Commander format, your choice of commander has a major impact on deck construction, as your commander's colors directly dictate what colors can be included in your deck
Yes, that will happen incidentally, as the game progresses and people punch each other
The deck also features a ton of different creatures with anthem effects for your zombies, which can make your zombie army and tokens incredibly powerful (for example Cemetery Reaper, Death Baron, Tomb Tyrant, Lord of the Accursed, Bladestitched Skaab, and more) to easily overwhelm your opponents
Myra the Magnificent Another attraction-themed commander, Myra the Magnificent also works great in conjunction with any spellslinger-type decks you may have built
Goblin mulligans badly