If you play Zenith Blade and move your friendly unit on Dreaming Tree to the other battlefield, do you draw a card from Dreaming Tree's ability?

Ruling: Yes, you draw a card. Moving a friendly unit counts as choosing/targeting a friendly unit, which triggers Dreaming Tree's ability.

Nuances:

• The trigger is based on targeting/choosing a friendly unit, not on the move itself
• This would not work with spells that move units without targeting them (e.g., "move all units at a battlefield to...")