There is a huge depth to the five drops green ramp can play
Which card is better is largely irrelevant when its close because close means you play both
Yet the tokens also have an activated ability that lets them power up a single creature, which makes me think that the game plan will be about finding high quality targets like creatures with Flying, Lifelink or First Strike and giving them a lot of power to attack with just a single creature
Dockside Extortionist is the best one-time ramp card in the format, essentially exploding your mana base jut by hitting the field
As for right now, the value of the Commander 2018 decks is actually higher than that of Commander 2017 , but since most of the price is tied up in new cards (which, no matter what price you use, are inflated due to presale hype), expect a big drop in value over coming months once the cards actually hit the market