Aerial Surveyor It isn't precisely an Archaeomancer's Map or Keeper of the Accord, but Aerial Surveyor is still great ramp in the right deck
Glass Counters Glass beads with a flat back (cabochons) are also a popular choice
Though for a five-colored Legendary creature, Id still prefer using The Ur-Dragon because he has more utility at the expense of having a higher mana cost
A shared planar deck must contain at least 40 cards, or at least 10x the number of players in the game, whichever number is smaller
Extra turns give you extra activations of your walkers with all the other bells and whistles that come with taking extra turns
Top of Deck Tribal Tutors Dwarven Recruiter, Flamekin Harbinger, Forerunner of the Empire, Giant Harbinger Tutors that place cards on top of my deck at sorcery speed generally arent my thing, but tribal decks that lack other tutor options will often gladly take any tutor they can get