This is design space that Magic has been exploring a lot more lately, with additions like Shocking Sharpshooter, Molten Gatekeeper, and Agate Instigator all providing the Impact Tremors effect
In particular, Seton, Krosan Protector, Marwyn, the Nurturer, and Selvala, Explorer Returned are among the most popular commanders featuring it
Again, please ask questions before you bid
Obsidian Flames is the third set in the Scarlet and Violet series and introduces the new Tera-EX cards
And remember, just like with a normal Magic set, you get a basic land every single pack, which means if you could somehow pick up Unhinged or Unglued at MSRP, you'd quite literally be guaranteed to make money every single pack, despite the worthless rares, just from the basic land slot
This is the most illustration rares a Pokmon set has ever had, and it's probably going to make this one of the most hyped up new Pokmon sets, in a year that is already rammed full of pushed releases