The full list of previewed cards is: Wood Elves Tom, Bert, and William Tom Bombadil (Commander) Thorin, Mountain King The One Ring (Commander) The Arkenstone Smaug, the Magnificent Sauron the Dark Lord (Commander) Riddles in the Dark My Precious Bilbo, Luckwearer Bilbo, Thief in the Night Arcane Signet (Commander) An Unexpected Party From the cards we've seen so far, the only notable mechanics appear to be an emphasis on treasure and dwarf tokens, while Amass and Adventure both return
A google search I did for "mtg wiki Elminster" revealed that Elminster is also known as the "Sage of Shadowdale" and the "Old Mage"
The only real removal then was Wrath of God and Swords to Plowshares so the Link was a decent way of stalling things till you found a Wrath
For the first time we've been given modal double-faced cards (MDFCs) that have a legendary creature on the front side
Blossoming Wreath Bursty lifegain needs to gain a bunch of life, and Blossoming Wreath has potential
I dont think that the ability to destroy artifacts and enchantments is all that relevant, but incidentally is the way that I prefer my Disenchants to come anyway