itachi edo tensei is one of the most dangerous ninjas...he have the ability to shut down your enemy formation by dropping a deadly debuff at a single unit and if that unit dont have an immune passive skill then it wont be able to escape his izanami mystery dream state..he can be a problem for mostly every team with any main...since even if your enemy have a complete formation with ninjas having immunity they will face harsh times fighting itachi....aiming itachi mystery at your enemy main will cause a serious problem on making their support potential drop down..or even at the unit that posses immune talent in case that unit is having a high amount of buff supporting for damage and endurance itachi mystery will remove any shield and buffs on this unit...which this can be making itachi edo tensei to be a ninjas with so many useful benefits that will allow you to survive under most of the battle situations...for a teams that is having itachi edo tensei on the formation their problem would be to fight a team also having itachi edo tensei....on this battle situation the team with the highest initiative on itachi edo tensei will successfully turn the tides to their favor