Platform, device version and operating system:
Windows 10 x64
Screenshot or image:
What you were expecting to happen, and what actually happened:
Three identically yellow missiles: Sunbolt Javelin, Javelin of War and Thunderbolt. Three identical effect: true damage to the random enemy. Three identical mana strengths. Predicable cost progression: 9-11-12 mana.
Why the most expensive and most rare one also is the weakest?
How often does this happen? When did it begin happening?
Noticed it right now.
Steps to make it happen again
Look on the screen.