Benevolent Bodyguards protection doesnt require mana to activate, and it also doesnt require it to not be summoning-sick (or have haste)
Professional graders, like PSA, assess trading cards and give them a grade for how good their conditions are, with near mints, mints, and gem mints (8-10) being the most valuable
More than an aesthetic choice, though, silver borders have a specific meaning
A little on the slow and clumsy side but pretty effective if you can hold out that long
Given that the most meta of decks in Pokemon TCG Pocket right now consist of Water-types such as Lapras ex and Starmie ex, its in your best interest to try and build an Electric-deck to counter them all
The first is some kind of impossibly try-hard Omnath, Locus of Creation plus General Ferrous Rokiric brew in Modern, which sounds unplayable to me right now