The worst part is that you can only play those cards this turn, which is an incredibly tough restriction that makes it hard to cast stolen spells on the turn you cast this 4-mana goblin pirate
The reason Faldorn didnt make the list popular is two fold: Firstly, when you discard the card before drawing, its usually called rummaging rather than looting, this is likely a nod to Rummaging Goblin
Zen Takahashi Essentially reds Delver of Secrets, Dragons Rage Channeler has made a significant impact on the format since its release, and has also been a major role player in Legacy as well
Further Reading What's Good In Tarkir: Dragonstorm?
Few enchantments in MTG have ever dominated as many formats as this card has
'Magic: The Gathering' Unveils First 'Lord of the Rings' Cards The One Ring, Gandalf and a map of Middle Earth come to the world of Magic. Magic: The Gathering is coming to Middle-earth, linking up with Lord of the Rings for a special set of cards dubbed Lord of the Rings: Tales of Middle-earth