Cards that place counters in small increments (like adapt, bolster, or Modular creatures) become dramatically more threatening when paired with The Earth Crystal
Hitting for 2-3 damage per turn starts threatening real creatures on the board and eventually threatens your opponent, too
Until we get all 10, which colors have shocks will be a major driver for what decks get built
Before I explain what those groups are, let me show, for those who never played Magic before, how its card layout usually looks like: If I were to teach Magic to a new player, that is the essencial information I would make sure they had understood
(You can of course skip the adventure, if you wish, and simply cast Kellan from your hand.) Decadent Dragon (and its adventure, Expensive Taste) is another card that is almost guaranteed to be a powerhouse in Constructed formats, is
Build decks with new themes, such as a blue Animal Kingdom Pirates deck or a purple Straw H