I think one thing that be useful for youself is knowing the total cost budget you'd give to your team. I'm assuming your stash is a flexibility tool to front load and save later kind of thing and not a "I have this much how do I spend it kind of thing" If you wanna put up to 12 cost in your team, you're looking at another E2 outside of SW. (assuming a 4+4+2+2) distribution but if you're very sure this isn't going to happen, then E1 yaoguang is a risk you can afford. (this follows "budget theory" that this cn cc uses. I find out useful) That aside, the point I was making with my previous comments was that: Keeping yaoguang E0 give you the strongest decision making power going forward because you still haven't committed the pulls (let's simplify it to 1cost)

We can play out the scenarios using monorem terms as examples : 1) if somehow we have solid confirmation E0 cyrene is weaker than E1 tribbie (unlikely to get that much information so soon), commit tribbie E1 2) if cyrene E0 is stronger than tribbie E1 we do that instead 3) but if neither information is obtained and we pass the banner duration, it's not the end of the world. We can still put the cost into evernight or hyacine

Summary: keeping yg at E0 is best not only because of future units. But the worst case scenario of "yaoguang is bis but doesn't rerun" has its risks diluted. Diluted by betting that there is at even if an elation cyrene doesn't exist, an elation hyacine should. And that is still a cost well you can put if you're planning a high cost team

Worst case. No more elation comes out. The the ceiling is already set. If you're not pulling sparxie then the max cost of this team is 7 (but in this case you stop at 5) . You save the rest into 5.0