Basically there is one reason to go 41 cards and one situation in which it is good to do so
Aside from that Giratina Alt Art, Yuu Nishida's Rotom V is my favorite Alternate Art of the set
Of course, there are stories of this thing completely changing the game, but in general, there is usually enough enchantment removal floating around that most of the time this will probably do nothing (expect possibly draw out that enchantment removal, but you dont usually want to approach the game like that, especially in multiplayer)
Pokemon TCG Pocket Just Added a Shiny Mewtwo ex Card Locked Behind a $23 Paywall Shining Treasury Pokemon TCG Pocket's recent expansion, Shining Revelry, just dropped this week
(But then, when do I tackle simple issues in my column?) Mostly, because different players like it for different reasons
What was true last year, last week, or even yesterday, may not be true today