why are you playing battlefield thaumaturge it synergizes with two cards in your deck
Permalink
door of destinies would go crazy in this deck
shimian specter says hi
rat catcher, thrumming stone, dark ritual, cloud key, liliana of the dark realms.
you could species gorger in so that way you can bounce the gatecreeper vine to your hand every turn
i would change llanowar elves for arbor elf because when you have a land enchanted with overgrowth you can untap it can get alot of mana with arbor elve
put in grove of guardian
parrellel lives is a cheaper