Its rare for signatures to improve the value of the card, even if some collectors like them
In addition, the character art was given a reflective foil treatment, making the Pokmon literally "shine" (the only exception to this is Shining Mew, which was released as a promotional card in Japan only and is holo with an additional glitter coating)
Path to Exile Path to Exile is brilliantly efficient, even if it comes with some costs
Arcums Weathervane and Arcums Sleigh made use of Snow-covered Lands while Arcums Whistle allowed you to have a Norritt that destroyed the target creature at end of turn, unless the casting cost was paid
For the most part, the Worlds Smallest Magic the Gathering Duel Decks are just cool, collectable items
This was a big update elsewhere, too