Instruments of War and Hall of Triumph are bad cards, only providing a small anthem effect nothing else for their mana cost isn't good enough to take deck spots
I'll admit I was a bit skeptical at first, but in early design we always try things because sometimes, as was the case with DFCs, what seems dubious ends up playing well
Getting three or four spiders each time you cast the card isnt hard, and its a must in spider typal decks
There was little to no power balancing, with some cards being ridiculously overpowered for their casting cost
Its low mana cost means that any deck along the aggressive to control spectrum can play it, and since its colorless, you can slot it in anywhere and cast it using any color
Aside from the top cards, Fates Collide has a solid supporting cast, but not enough to catapult it into the top-tier of X&Y sets, as some of the best X&Y booster boxes are packed with popular Pokemon