The game already deal with that very well by giving priority to the object your crosshair is pointing to, so when you're near a rope and pointing to your ability, you will use your ability. But sometimes we panic or try to do things in a hu...

This would give a huge opportunity to practice dismiss and healing (like we were able on Reyna’s release) before getting into a game. Figuring out the timing on equipping the weapon after healing and dismissing separates ok Reyna players...