Tactics for the Swamp (Fortress).

Well, Brona, I think everyone chooses that at the beginning; 7 basilisks are always a good thing.
+ Double moat in the castle.
- One archer, and even then, it's not very noticeable, since it's level 2. A Storm elemental or an Arbalester, even the same Arcomage, is stronger...
+- Earth - swamp; it's difficult for everyone to move around, for you and your enemies, but it's worse for the enemies, especially if they are from another castle.