lol, you must be a noob that has never tried
i find snipes every 1-4 minutes
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And lagging cc donations will not affect that.
There is no way to realistically do it in the first place as no one will know when you've used the troops without checking, you could spam clan chat by telling someone when to donate and when to stop but any decent clan would kick you for doing something so pointless because your too cheap to use two archers.
Use your own troops to snipe, request troops in the side and just dump them.