You could replace it with something like Ravenous Chupacabra if you wanted to add a little more removal while lowering the mana curve
However, Wizards also stuck to its usual strategy of introducing a couple of new mechanics while also reviving some olds ones
In fact, outside some infinite combos that instantaneously mill libraries, it's actually quite hard to win in Commander via mill
There's not much point wondering about what spells are in his deck, Grand Larceny, since he's mostly going to be playing with other people's cards
They are the bread and butter cards of your deck as they are the ones that will take down your opponents characters and gain the lore youll need to win
Ease of expansion Its great to have a cool box that fits all your cards in, but what about when you accidentally acquire a bunch more and now your box is overflowing