These are secret songs known to Marc and Mammon (and by now possibly a few others). They do a few things that In Nomine frequently restricts access to, so it is worth making sure they won’t disrupt your game before you introduce them. They are primarily concerned with discerning the value or quality of some thing.
Bonus: Greed, Trade
Essence Cost: 1
Disturbance: 1 (does not dissipate until end of duration)
Duration: Hours = to CD