Up the Beanstalk isnt really a problem right now, but if Standard slows down after the next ban announcement, Dark Confidant could be the card that lets a bunch of smaller mana value decks tick
Unfortunately, Garchomp cannot use Special Energy like Double Rainbow or Scramble Energy (these turn off its PokeBody), so it takes quite awhile to get off of the ground
When you finally have a large enough collection to build decks from scratch, the cards from your starter decks can be excellent supplemental options
This uncommon artifact equipment costs four to drop and then two to equip and it gives it a solid +2/+2 boost and then infect as well
While some were banned in Historic because of their power level, most of these cards see play in a variety of formats and are a welcome addition to the game
Remember that once the activation resolves, the Mirror wont have the second ability, so if there are tricks to do, activate it twice and then do said tricks between resolutions