Can Overzealous Fan be played with Ride the Wind during the focus step of defending, and then trigger its ability when it becomes a defender?

Ruling: Yes, you can play Overzealous Fan with Ride the Wind during your focus step while defending, and when Overzealous Fan becomes a defender, it can trigger its ability.

Sequence:

• Declare your unit as a defender
• During the focus step, use Ride the Wind to play Overzealous Fan
• Overzealous Fan becomes a defender
• Overzealous Fan's ability triggers