I would bet money out of my next paycheck that if they redid the Eeveelution SIRs without the hats and an actual detailed environment they'd be much more valuable.
On the off-chance you're being serious, build a deck with no ex pokemon, and join a private match with NOEX as the password to enter a queue with much more deck variety.
I feel like artists for these cards are pigeon holed into certain design elements. The tera hat makes any normal environment look out of place, so they're forced to use these abstract backgrounds instead.