L5R LCG: Warriors of the Wind Exp. - Rules of Play says:

Warriors of the Wind contains 78 new cards (three copies of twenty-five different cards and one copy each of three different cards), many of which provide new tools to the Unicorn Clan! This Clan Pack celebrates all that makes the Unicorn great. Look for a Stronghold that rewards you for exploring your opponent's lands, Meishōdō events that protect your characters from harm, and battle steeds for the Utaku cavalry!