If dawnglove was as potent as she suggested, it should be preserved, not used to tip the balance of power
Remastered sets have not followed a regular cadence, so it's hard to say
Sapphire characters set up a strategy in the same way you'll need to if you choose to use this ink color
This is perfect if you can get Ravenous Robots resolved on the battlefield, then follow it up on your next turn with a big, powerful creature (like our next pick) that can then do some immediate damage
If you want to learn more about this strange new world of Magic mechanics, here's an early look at some of the new and returning mechanics you'll see in Magic: The Gathering | Star Trek
As far as playability, Rodan is the cheapest member of the cycle, and you get a lot for that low cost