Solphim, Mayhem Dominus Solphim, Mayhem Dominus effectively makes all your burn spells and ping effects deal double damage, so cards like Thermo-Alchemist and Electrostatic Field get much better
Mega Latias ex is just extraordinary, while the Mega Lucario ex seems to be deliberately evoking the classic Mewtwo vs Charizard cards of the Sword & Shield era, as the Lucario soars over a city, wheeling back to punch an attacking Venusaur
Reanimation spells like Unearth and Persist bring creatures back, while exile effects like Lion Sash and Scavenging Ooze provide repeatable ways to trigger these abilities
However, it has a lot of potential, and might enter the meta in a possibly slower format after we get the next wave of support cards
Crush Card was more of a threat before graveyard effects and reviving became more common, but the low cost and ability to see your opponent's hand still makes this a gamble that could pay off big time
To put it bluntly, items have lower value until they have been looked over by a professional company