If a player controls Reaver's Row and swaps their defending unit with Tide Turner during a showdown, can they trigger Reaver's Row's ability again with the new unit?

Ruling: No, Reaver's Row cannot trigger again in the same showdown even if the defending unit is swapped out. The ability is tied to the player defending, not the specific units involved.

Nuances:

• New units entering the showdown would still get their "When I defend..." triggers
• Reaver's Row specifically says "you defend" referring to the player, not the units