If you choose Trash or There are some flaws here and there specify that in the thread by replying.
Hello all! Time for my 2nd suggestion for Clash of Clans.
I've made up a new spell and its name is the Prismcrash Spell.
Appearance:
once the bottle falls on the ground there would be prismatic/diamondish/colorful rocks coming out of the ground. Once they have fully came out they will reach the height of a town hall lv1. Those pillars will last for 3 seconds that move back down.
Stats:
Costs 40 000 Elixir
Takes 1 hour to "brew".
Once the pillars are there the region totally freezes for 1 second. Then as an aftermath the defence buildings (not traps) will lose 25% accuracy for 5 seconds. When they lose accuracy, they (for example a cannon) will shoot a quarter of a radius off-target.
For the upgrade time, cost and level of laboratory you need for this spell is exactly the same as the freeze spell.
For the actual upgrade itself, the freezing time and accuracy decrease time rises by one second each time.
Spell factory level 6 required.
Why it's useful:
This spell can be useful for the people who take time on their raids.
Yeah, that's all I have to say!

