Being a new card type and created in one of the most powerful Standard environments of all time turned out to be problematic, and Jace eventually would be banned in Standard
(By the way, I was touched how many of you worried after my sign-off last week that I was bold enough to have a column about pornography on the company website.) X Week is about whatever each columnist wants it to be about
Easy Upgrades As far as upgrades go, you can probably focus on replacing big creatures with smaller rogues to lead early games
Major Retailers If you are looking to buy Pokemon cards from major retailers, either online or in-person, these are some of the most common stores to carry Pokemon cards
Rough Seas decks do have one of the biggest advantages over Trevenant decks, though, so I would not count them out
This includes cards in that player's hand, face-down permanents they control, face-down cards in exile they're allowed to look at, and any cards in their library they're allowed to look at