Theyre really pretty cards, but its kind of like an homage to the original, back-in-the-day kind of cards, Tiffany says
That reason is often enchantment-based ramp like Wild Growth and Utopia Sprawl that produce extra mana from one land, letting this produce an absurd 4 mana rather than a respectable 2
Giratina can make its own, and you don't want to interfere with Darkrai ex's Energy stockpile
Assault Tackle (130) Discard a Special Energy from your opponent's Active Pokemon
Mai's strategy and cards are all about swarming the field, and anime variants of cards such as Harpie Lady Sisters (more on that later) make that very easy
To make matters worse, if a player summons a monster that big...or tries to...it can blow it up with its other effect.