Commander deck games are designed to be unique, casual, and fun, with endless options for deckbuilding creativity and distinct playstyles
There are only seven ramp cards total (two One Jump Ahead, two Gramma Tala, and three Mickey Mouse, Detective) which can make it difficult to ensure you get them in your opening hand
Extra mana late-game to cast all those big spells
Sadly, there hasn't really been a place for Sarkhan in Standard, but it's more than suited to Commander players looking for a card to support their Dragon decks
Lets tackle these assertions one at a time
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