This happens all thanks to Manamorphose, not Faithless Looting
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
First off, the damage inflicted, should rarely be above 1000, so I see no inbalance in that department
Other characters and their skills will be revealed at a later date
However, TCGPlayer found from a sample size of 8000 Astral Radiance Booster Packs that the pull rate for any of those types of cards was under 32% (less than a third)
Each time your opponent shuffles his or her hand back into his or her deck because there were no Basic Pokmon, you may draw an extra card