As long as Lightning Runner is attacking and you have eight Energy, you can activate this effect as many times as you want, regardless of whether youre in an extra combat step or not
As usual, Im going to avoid the legendary creatures (except for one I find most dumb) in my list, and look to the generically good cards you might want to consider for your own builds
Its very important to use the vinyl and take your time in applying little hits of heat at a time
In a marathon of articles and Discord messages, all of the new cards from Into the Inklands were revealed
Some of the bigger sites like this one will probably attempt to only sell "authenticated" singles using whatever methods they can to try and sort out the fakes, but the floodgates will open quickly once people realize whats going on
Adding to this, blue and green have a lot of different landwalkers between them, making this work in an odd way