Does Back-Alley Bar trigger Blade Dancer when a unit moves from Back-Alley Bar and receives the +1 might buff?

Ruling: Back-Alley Bar does not trigger Blade Dancer because Blade Dancer requires YOU to choose a friendly unit, but Back-Alley Bar is doing the targeting, not the player.

Nuances:

• The distinction is between player-initiated targeting versus automatic card effects doing the targeting