Can you play Tideturner to swap a unit into the defender position and still trigger that unit's 'when I defend' ability?

Ruling: A unit will trigger its "when I defend/attack" abilities whenever it becomes a defender or attacker, so you don't need to worry about missing the initial chain.

Nuances:

• You can use Tideturner to swap a unit into the defender position and still trigger its "when I defend" ability