Any time Hellkite Tyrant deals combat damage to a player, you gain control of all of their artifacts
Chocobos all have a landfall theme, gaining effects whenever a land enters the battlefield
It has some control elements, Lore removal, and a Location-oriented style but it doesnt focus on a single one meaning you end up with some confused hands that contain pieces of all three
If the exiled Saga doesn't have the listed chapter ability, you won't copy any of its abilities
Two life for one card is pretty much the norm (with Card not found you are only up one card), but usually the rate is somewhat better, because theres some other benefit involved (like the scry 2)
If youre confused by an additional set of cards with the same set code and even more variations on the Lord of the Rings theme, youre not alone