Opponents often have to choose between attacking you or dealing with your planeswalker, which creates meaningful combat decisions
I prefer staying away, personally, and I'm much happier with what I concocted, but if what you want is to get a little nutty, the tools are there
If your opponent tries to destroy it again later that same turn, you won't be able to rely on the same card or ability a second time Regenerate Creates a Replacement Effect Regenerate is, at the end of the day, a replacement effect, which means it replaces one event with another
However, with Squall, you can recover Idolized from the graveyard and put it back on Squall once you start attacking with it again
However, Tales of Middle-Earth takes things too far with the One Ring's temptation, a beneficial effect printed on several new cards like Frodo, Sauron's Bane