New Defense and a Utility building

I have an idea for a new defense tower and I think it should be called "Rail Gun" this new defense has two forms. This is only a ground unit target defense

Form 1 option1. It has a 180 angle range that can attack anything in range this is not a full map range but a fairly big range more like mortar range or maybe more. But due to the fact that it can only rotate 180°. Its weakness is it can be destroyed easily from behind. Also the visual of this form is it is not rooted like the 2nd form hence its projectiles cannot go through units.

Form 1 option 2. It has the same 180 as above but shoots projectile on all of that 180° like a wave of needles fairly faster than form 2 but significantly weaker and shorter range. Maybe plausible to hit air with this form or just ground.

Form 2. It can attack in any direction but limited only to 4 directions such has north, south, east, west but due to this restriction it has a whole map targetting range and also goes through units due to it being rooted on the ground. Due to its powerful piercing effect it has a slower dps than the first form. This also does more damage to armoured units like pekka.

I have another idea for a utility building. A new building where you can test out your defense by setting up an attack on your own base. Lets say you built this building starting at lvl 1 u get the early troops such as barbarians, arch and goblins with a limit of roughly 60-70 troops as you level it you get to unlock more troops to use on your base to try out your defenses and how they would react to it. Max level of this so called new utility building should have all the units unlocked plus maximum troop limit. But this shouldnt activate clan castle defense or if you guys decide its ok too but this would likely annihilate the units in it making them disappear. This is really helpful to see how your defense can react to certain attacks before they really happen and would make bases more strategicly built.

I like your idea. The specifications are a bit tricky but other than that it would basicly be like a different form of x-bows. Some of the ideas could be tasky like only able to go in 4 directions. Maney just a lower range and DPS could fix that problem. Also if you could post a set of stats for both forms that would be great. Good job.