Can you flip Hidden Tide Turner to switch with Fan and then use Fan's defend ability when your opponent goes to the battlefield with Draven?

Ruling: Yes, you can flip Hidden Tide Turner to switch with Fan and then use Fan's defend ability.

Sequence:

• Opponent goes to the battlefield with Draven
• Flip Hidden Tide Turner to switch with Fan
• Fan's defend trigger goes on the chain

Nuances:

• It doesn't matter when the unit gains the defender designation; their defend trigger will go on the chain when they gain the appropriate designation for the first time each combat