Until the drawing, the ticket is potentially fifty million dollars
The other attraction to Karn is its ability to get an artifact card out of the sideboard
Well cover the rules, expansions, and the new Lord of the Rings edition
Helioptile can evolve into Heliolisk as another damage dealer but it discards energy after attacking so most of your manual energy attachment should be going into it since Magneton already charges energy by itself
If it was unbanned the immediate impact would likely be minimal, although eventually some broken graveyard combo would come along and it would go back to being busted and likely needing to be banned, which means we might as well just leave it on the banned list since it's already there
It probably wont mean many people playing Nami for the fun of it will stop but will lessen the wins without having to interact at all which will make opponents feel a little more like they are playing the game rather than just being at the table