Depending on context, these cards may be called prison pieces, hate cards/hatebears, sideboard cards, or, in some circles, stax cards after the ancient Smokestack-based deck which popularized not letting the other person play as a strategic archetype
This uniquely powerful approach to counterspells is never going out of style
The best part is that it scales with what you might be doing anyway, or just with the game itself
Its some decent protection against board sweepers, so thats something to be said for it, but I think you can do much better
Buying Japanese means you get access to new mechanics and chase cards months ahead of the English market
When typing in a keyword, you'll see a drop-down list of all the different versions of the keyword card