While perhaps different now thanks to the London mulligan rule, in the past, people have calculated that your odds of winning when you mulligan to six (so starting with one less card than your opponent) is 40%, which might not sound like a lot, but considering that the odds are 50/50 with each player starting with an equal number of cards in hand, it's actually a 20% shift in your chances of winning the game
Creatures of the chosen type have shroud
You can check out Magics official decklists to see what more advanced players are using and perhaps use that as a jumping-off point
Being able to play one additional land per turn for the low, low price of one green mana is absolutely absurd value, especially when put into a deck that employs landfall triggers and other silly shenanigans of that ilk
Here's the formula to calculate how many more drafts you need to do to reach the Critical Point: R = Total number of Rares of that set already in your collection P = Total number of reward packs of that set already in your collection N = Number of "new" Rares you pull from a draft on average (Higher earlier, lesser later, but an average across the set is fine.) W = Average number of reward packs from doing the draft
That said, its a powerhouse of a Commander, and very easy to get online
