Graven Cairns, for instance, was just re-released in Duskmourn, while Flooded Grove has been printed into the ground, with recent appearances in Thunder Junction, Bloomburrow, Duskmourn, and Tarkir: Dragonstorm
It is a cheap and efficient card draw source that, over the game, will provide for you so long as you can continue to make the one token per turn that it needs, which we have a number of options for
This is fine if you really need it, and it might be a great sideboard option for decks that dont normally use 7-drops to help fight against slower decks, but the other 7-drops in the set are a lot stronger for ramp
Some of my disappointment with the Elder Dragons can be mitigated by the fact that dungeon stuff has come back
1 Cleaver Skaab
We all have unique and individual takes on Magic that would make good cards that fill a niches and hit something differently