Can you elaborate on that? I'm genuinely curious how a mechanic as logically simple as Overload(if cast for alternate cost, change target to all) would be 'yucky'.
I'm Canadian unfortunately and unwilling/have no desire to move south, but I'd volunteer time remotely if it will bring non-standard formats to Arena faster. The disparity between Online and Arena makes me sad.
Sure, I'll try to summarize. Most of what I say below could be changed to make Overload work; my point is that that work hasn't been done yet and is pretty nontrivial.
The Games Rules Parser (GRP) reads the exact text on the card. So, for [[Cyclonic Rift]], it sees two abilities, "Return target nonland permanent you don’t control to its owner’s hand." and "Overload 6U". It parses those abilities independently. That is, for [[Mind Rake]], its first ability is literally the same as [[Mind Rot]]'s. They literally use the same code, there's not a Mind Rake version and a Mind Rot version.
Not only that, but there isn't any text on the card that says "Return each nonland permanent you don't control to its owner's hand." So we'd need to recognize that that is a text that we need to create. And then that needs to be an ability that Cyclonic Rift has access to (i.e. is loaded into the game when Rift is), but that it doesn't actually have (until you cast it using Ove...
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