This is because in most limited formats, there are opportunities to draft decks (or build decks) that maximize the mana curve so that you can steamroll your opponent before they even have a chance to set up a game
Whenever an opponent loses life, you gain that much life
Jace is now sitting around $4 since it's been a victim of power creep, but I'm not sure these Final Fantasy Surge Foils will follow the same trend
Merlin, Goat is going to be a centerpiece of every version of this deck, so finding opportunties to return him to your hand and replay him for free lore will help you earn sneaky victories
Manufacturer: Wizards of the Coast The entire Play Boosters are the ideal booster for the play environment - especially Limited format events
Something else new to this set is Mutagen Tokens , which read as the following: "1 (Mana), Sacrifice this token: Put a +1/+1 counter on a target creature