Can you exhaust runes to float energy while resolving Stacked Deck to pay for Nocturnes found during the resolution?

Ruling: You cannot exhaust runes during Stacked Deck resolution itself. However, you can exhaust runes when paying for Nocturnes after Stacked Deck finishes resolving, since Nocturne gets banished as pending during Stacked Deck and costs are paid when it finalizes.

Sequence:

• Stacked Deck resolves and finds Nocturnes
• Nocturnes get banished and become pending
• After Stacked Deck resolution completes, when Nocturne finalizes and asks for costs to be paid, you can exhaust runes to float energy
• Pay the recycle cost for Nocturne

Nuances:

• Runes can be exhausted any time a reaction can be played OR any time a card asks costs to be paid during resolution
• This applies to other cards that ask for costs mid-resolution like Bullet Time and yellow Fiora
• You cannot use runes during Stacked Deck resolution itself because no costs are being paid at that time