Assassins morale and other buffs

[Liger]

Morale:
Fool's Cap (don't work)
A jester's hat, decorated with silver bells.
+3 Intellect
+1 Morale to all troops
Army Drum (don't work)
Normal signal drum.
+150 Leadership
+1 Morale to all troops

Other boost:
Assassin's Dagger
Narrow long dagger with a poisoned blade.
+1 poison damage
+30% to Critical Hit of Assassins

I haven't tested those "morale to all troops" items on neutrals, but I think those should work.