User blog comment:Telaruhn/Sprig, The Brambleborn/@comment-58.172.169.216-20120217055455

I think his E should stack with Thornmail, like Rammus.

Also, you should create an increasing mana cost for Terra Firma, kind of like Swain's ultimate.

Besides that, it's very unique, and it's something I'd like to see on the Fields of Justice :)