Fixed a bug that if no target was selected  because of up to X targets are possible, the target was returned as not legal.
Fixed wrong behaviour of return state of ReturnToHandTargetEffect.
Fixed wrong target definition of Sword of Light and Shadow.
Fixed that Stoneforge Mystic triggered ability casted the equipments without mana costs instead of putting it simply onto the battlefield.
Fixed rule text of Death Baron.
Improved rule text generation of flashback ability. Fixed text bug of Dread Return.