As you can tell from the Twitter post (assuming that you can read Japanese), this is meant as an incentive for Japanese audiences, so no point chasing after these in your English Collector Booster boxes
You can easily upgrade First Flight with a few more flying tribal creatures and some more efficient counterspells
The Rakdos human wizard slots into Commander builds and has potential in formats like Pioneer, Brawl, and Standard
And is probably the most popular non-precon commander
The online marketplace is flooded with people trying to shift their own mystery packs, from anywhere between $5 and $2,500
English Shadowless non-1st edition SPOILER: Click to show 600800 160 KB The same as the regular English Base Pikachu weve indicated as template, except for the Shadowless borders instead of borders with shadows around its artwork