Some of the Eldrazi cards play into the Emrakul mutations that we saw in Shadows over Innistrad and Eldritch Moon (although not all the mutations are specifically from Innistrad)
A balanced Commander deck runs 1 commander, 36-38 lands, 10-12 ramp, 8-10 card draw, 8-10 removal, 7-10 win conditions, and 15-20 synergy or theme cards across the 99
If you are just out for financial gain, Lion's Eye Diamond is likely one of the best non-dual land Reserved List cards to buy at the moment, assuming you can afford the up-front cost
So, no matter whether you drafted or not, you were affected by those choices, even if those choices were not ones that made the booster experience better for you
If you enchant a land card with Don't Worry About It, you won't copy that land when you play it