Was a god damn sacrilege because most trainer artworks have had time and care to be drawn, not just 3d prints
since the Unlimited and Base 2000 commons and uncommons are both the same, this is assumed to apply to the rares as well Unlimited Basic Energies: 121 card sheet
Theres plenty of amazing ways to really take advantage of this ability with some sweet payoffs, especially considering dragons like Atarka, World Render and Savage Ventmaw in your list
Only a handful of Planeswalkers can be a Commander, and it's actually a slight point of contention between Wizards of the Coast, who want more of them, and the Commander Rules Committee, who don't
You can also leave back one dork to block, but why not attack with your best thing
Lightning Energy promo cards from different eras are rare, beautiful, and coveted among fans and players