Nice, the vine marker seems a pretty cool way to extend influence and board control!
Regarding the Vine Snapper, I seem to have missed something, why would it prevent your 'special creature powers' coming back for reassigning? I'm not sure why it would do that, but even the resurrecting zombies seems to be clear that it wipes all existing spells and conditions etc before the creature is resurrected. Thank god really, can you imagine the tracking that would be required?!