Abilities that trigger when a permanent "becomes untapped" won't trigger if a stun counter is removed instead
When a Spell/Trap Card, or monster effect, is activated that would destroy 2 or more cards on the field: Negate the activation, and if you do, banish it
By completing these missions, such as finding a Secret Pack or winning a duel in solo mode, you'll unlock Craft Points quite quickly
On top of that, the striking, dynamic artwork, the name of Mega Charizard exs Wild Blaze attack (from which the sets name is derived) emblazoned across the image in Japanese, and the fact that its all three of a Mega Evolution, Pokmon-ex, and an Ultra Rare card make this arguably the single biggest possible pull of the Pokmon TCGs sixth generation
And it can be an effective card no doubt, especially in decks with Ancient Stirrings