Its headlined by unknowable eldritch titans and cards representing the origins of some of the games main characters powerful Planeswalkers that will likely become tournament staples
In a deck filled with lots of small creatures with evasion, that sounds like an insane card advantage engine - getting up to three additional cards each turn
Venture to Theros, a plane where gods, heroes, and monsters are an everyday fact of life
The well-known stuff is on the common cards
The little guy seems like a shoe-in for Glissa, the Traitor decks at the very least, and should be considered in other green-based decks that can bring it back for a second go-around
Drawing cards (or card advantage) in a Magic game is very important, regardless of what colour or deck strategy you are using