I see this land being played with converge cards to power up Together as One, especially in heavier mono-color decks
This means older sets are moved out of the Standard format, easily the most played and most widely supported format
That being said, Regal Force does have the benefit of drawing off of itself at absolute minimum
I suspect the absence of a guaranteed rare in Value boosters is, in part, specifically supposed to deter collectors, so that these boosters stay in stock for kids to buy
You have a 3/3 that you can give indestructible by tapping a mere 1/1, and by paying 5, your creatures get at least +3/+3 until the end of turn, but with elf typal buffs itll be much more
(4/18/2017) As your second Approach of the Second Sun resolves, it checks only whether the first one was cast, not whether the first one resolved