That oozes value and pressure, which sounds like a winning combination
You can then use cards like Managorger Hydra, Kalonian Hydra, and Twenty-Toed Toad, all of which get stronger very quickly, to fly over thanks to Ms
Its certainly a nice idea to build around and encourages filling your deck with expensive cards
However, in many metagames people will swing at her to force damage or trades so that she'll be more expensive with Commander Tax
Between the number of token enablers available in green and the disruption and card draw options in blue, upgrading this deck would be both a fair challenge and a joy to undertake
(e.g., ) Board Wipes (8 cards): Spells that clear the entire battlefield to reset the game state