For two mana, you can grab a land from your deck and put it into play
It enters tapped, which is nice, but only gets you a basic
Burnished Hart - Anytime you can get a good effect like mana ramping on a body is amazing
When you spend this mana to cast a Dragon creature spell, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
If I had to guess, I would say that the 0/1 plant side is the more playable side since it goes right alongside Avenger of Zendikar, but saproling decks are a thing in EDH too
Fable of the Mirror-Breaker isnt technically a goblin, but the tokens it makes are absolute all-stars