Created by illustrator Narumi Sato, this full card art shows eight Eevees lounging around a peaceful living room setting
The base set Machamp you refer to actually comes in the Base set 2 starter deck, thats why it was printed with cosmos holofoil
lands) or clicking symbols in your mana pool, which might be a good idea if you want to save specific mana sources for a later play that turn
To be clear, this is not a text errata or rule change and is only implemented due to the practical limitations of a webcam tournament.
So if they want fully signed decks, or they want cards signed by a specific artist, thats where me and other community members will step in and try to help, and welcome them in with open arms. Its probably intimidating to take the plunge and begin utilizing a signed card mail-in service, but both Schneider and Aronowitz are approachable, helpful, and, most importantly, trustworthy