When it comes to the finishing blow, its actually the Enchantments that are going to play the biggest role
Regeneration gives it staying power, while you can pair it with pump like Tainted Strike or Hatred, which can to lead to instant kills
Dash is a static ability that works in any zone of the game when casting the card
Jodah, the Unifier players are already salivating, as are Counters players who have noted that the counters never move off Aerith when she dies, so they can be moved onto the Ozolith
Like most Pokmon cards, the value of Blaine's Vulpix depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Gym Challenge)
Morph played the biggest role in Onslaught block and Khans of Tarkir block, which both feature heavily in my Greatest MTG Limited Formats article