Shadowless cards were printed during the initial run of Base Set before the drop shadow was added to the card border in subsequent print runs, making them identifiable by their slightly different border design and, most importantly, the absence of the shadow that gives the variant its name
You will get these packs if you participate in a gym battle at a local game store in Japan
On your next turn whatever you cast gains haste too if you want it to, so it feels like youre getting a pretty solid return on your investment with this
Choose a Background, Friends Forever, and Doctors Companion I am grouping these next three together
Hopefully people won't want to attack the player directly benefitting them, but that's not always the case
BPhillipYork: This enables a whole deck around discarding and replaying, essentially giving madness to everything in your deck, though, obviously it's mayhem