28 Jul 2023
If the colorless spell has {X} in its mana cost, use the value chosen for X when calculating that spell's mana value.
28 Jul 2023
Skittering Cicada's second ability applies only to casting spells. It does not, for example, change when you may activate abilities that can be activated "only as a sorcery."
28 Jul 2023
Skittering Cicada's last ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered.