that is indeed the easy solution. And the slightly more complicated one.
in condition field write:
PlayerName in thisList
just be sure that the "Activated by" is the same side as PlayerName, or "thisList" won't register him. Although you can get many different sides and names this way by making it Activated by Anything, and putting for instance:
wSoldier1 AND rSoldier2 AND eSoldier1 in thisList
although Black feather's suggestion works too
Wolfrug out.