Several factors influence Twilight Masquerade card values: card condition (mint cards worth 3-5x more), rarity (holographic and rare cards command higher prices), first edition status, PSA/BGS grading scores, and market demand for specific Pokemon
Seriously though there are amazing cards, even shock lands to pull from these packs
Not only can you do that, but you can devolve it with Devolution Spray (DRX 113/124), and then evolve it again immediately with the stadium, and you can scoop it up with Super Scoop Up (FFI 100/111) and then evolve it again immediately with the stadium
This kind of pressure does strange things to an opponents ability to make choices
(Spoiler: youll see it a bit further down this list.) Irida also lends some fantastic consistency to decks dependant on the Inteleon engine - lists like Rapid Strike Urshifu VMAX and many of the new Palkia builds were seeing