First, Terra has a relatively low cost for a commander, only requiring a total of three mana, one of each from the Mardu color combination
While the majority of your most powerful discard abilities come from your characters, this deck also runs two powerful song/action cards that also help
The cards in Into the Inklands could even swing you to try a different ink type - with some of the new strategic options offering fresh and exciting ways of approaching Lorcana
Some abilities are just sign-posted to be linked with other cards in the set, like with the aforementioned Jim Hawkins, Space Traveler card, and this card is almost definitely built exclusively to get yourself a free Lucky Dime, the seven cost item that no doubt plenty of decks will be building around this set
Emerald can be an extremely fun ink colour to play for this reason, and boasts some of the best Lorcana cards in The First Chapter as a whole, allowing the opportunity to mess with rival players and become a real thorn in their side
But if it's strategy and silly fun you're after, it's not a bad choice