@solisgamestudio.bsky.social In the 2023 promo pack, does the Transform ability apply when the enemy has their Stubbornness ability enabled when Gravity Shift duels Searing Strike? Is the only way for Gravity Shift to gain Swift when Radiant Black has energy but Rogue Sun does not?

Swift only applies if you counter the ability, and Stubbornness makes the ability uncounterable, so in this particular matchup, Transform doesn't do too much. You're right that there is an early game chance to get that counter before Rogue Sun has enough energy.