It's a problem seen regularly for the best card games, and it's also something the tech industry has trouble with thanks to people reselling the best graphics cards, but of course the Pokemon Trading Card Game is no stranger to the phenomenon known as "scalping" (man, I hate this word)
Moreover, she acts as a top repeatable Enchantment recursion tool, as at the beginning of our end step we return up to one target enchantment card from our graveyard to the battlefield with a finality counter on it
So while Counterspell might be able to deal with any threat, most times you'd be better off drafting Dark Banishing or Incinerate so you could drop early creatures, and then use the removal to mop up afterwards instead of having to wait for your gracious opponent to walk into your untapped Islands
If you have Alta and an Egg already in play, you can sac the Egg, make two mana, make an Egg, then sacrifice the new Egg, all at instant speed
Putting a creature onto the battlefield for free is fantastico
Nidoking (Holo): $5,400