Put X stun counters on each of those permanents and you gain X life, where X is the number of nonbasic lands you control
The gaining of legendary status explained the one-way transformation and added great flavor to the flip cards
Besides, at the time of this writing, we already know 30 of them
Open Magic packs online with the same official pull rates whether you call them MTG packs, Magic packs, or boosters covering every modern Magic: The Gathering set from Bloomburrow forward, plus a deep back-catalog of older Draft and Set Boosters
The Instants & Sorceries of Kenrith's Deck Kenrith's deck is a combo deck at heart, so a variety of cards in it will focus on tutoring for specific cards from the deck, or on untapping permanents (among other things)
You have a very low land count, so statistically it might help you dig through stuff like lands that you can't cast (or Simian Spirit Guide or a counter that you want in hand can be drawn)