This sort of effect can be very powerful, although it is tempered somewhat by the fact that you have to Shift out Merlin for it to trigger
Three mana planeswalkers generally cant protect themselves all too well, and dont generate positive card advantage the turn they enter
With a good 5/4 stat line and questing for three lore in a single turn, she's a very good card to have in Steel
One of these locations in play may not be much of a threat, but having 2 or more can definitely apply pressure on your opponent to address the issue
The game is notably the first open world title in the series, and there are several key locations depicted here, including Archades and Rabanastre
Starter decks all come pre-built with 60 cards, making them tournament-legal right out of the box without extra adjustments