Beast Withins destroy target becomes destroy targetpermanent, which makes it much more ominous
After High Tide resolves, until the end of the turn, whenever a player taps an island for mana, they add an additional blue mana to their mana pool
Id probably trade out Colress for one of these two
Find it on Netflix, you wont regret it
2: Search your library for a card, then shuffle and put that card on top
Im not sure how effective it will actually end up being as a tech for this purpose however, as it will be difficult to search out under trainer lock and your opponent can see it coming when you play Vulpix down, which will give them the opportunity to simply use Pokmon Catcher if they have it in hand to stop Ninetales before it even evolves