In the same vein as some of the typal legends like Najeela and Jodah, these are a bit more restrictive in that they dont enable you getting the things youre buffing as much as having the team swing and survive or overwhelm
Think of an insult so vicious, so vulgar, that you hesitate to speak it aloud
And like the Arkhive, the Superhive also features the Znapclaw magnetic closure, so you can rest assured knowing that nothings going to go on a walkabout while youre in transit
These showcase treatments are available in every booster (alongside Borderless Celestial Basic Lands), while other treatments are more limited
Instead, you have whats available in front of you, and can look for the best synergy available at the time
So, essentially, extra turn spells have a rate (in the modern era) of costing a variable five mana, a la Time Warp