Tactics for Rampart.

2. Explosion, blindness, regeneration, mass slow, and so on, and there are no swamps. The only thing that's really intimidating in the swamp is the mighty Gorgons. But one is not a warrior in the field.

Not everything is so smooth. :)
The Rampart only has one unit whose speed exceeds that of the Dragonflies - the Golden Dragon. All that can be said about the moment it appears is that it will happen much later than the Dragonflies appear in the Swamp army.
And this means that in most cases, the Swamp will move first, not the Rampart. And accordingly, Blindness, Slow, or Explosion will be cast on you first. :)

The Elves will be blocked in any case, and if the opponent casts an expert speed buff, all the swamp creatures will be next to you in an instant and give you such a beating that you won't even know what hit you. :D

Interesting, what is this statistic?

I mainly use reports from games on heroesportal.