Sunetra XP2 + Shadow dragon XP
Shadow Dragon
Dragon • Creature • Cavalry • Ninja • Experienced • Unique • Shadowlands.
Shadow Dragon may not bow. When your turn begins, if Shadow Dragon
is dead in your discard pile, bring it into play, ignoring costs.
Battle: Move Shadow Dragon home from the current battle: Once per
turn, target a non-Unique personality. Gain control of it. Move it to your army.

Bayushi Sunetra
Scorpion Clan Samurai • The Underhand • Ninja • Duelist • Tactician. Experienced 2 •Unique • Loyal.
Limited: Bow a Ninja Personality you control: Once per turn, target
a Personality controlled by another player. Give the target –4C.
Reaction: After a Maneuvers Segment ends: Assign up to 2 Ninja Personalities you control.

Question :
Can i use sunetra's limited ability with the shadow dragon XP?

Réponse :
No. It cannot bow, so it cannot pay the cost.

Comme le shadow dragon XP ne peut en aucun cas s'incliner, même par une décision du controlleur, il ne peut pas être utilisé pour la capacité limitée de Sunetra.