The very high casting target for Strike Dead has the side effect of making it a really very powerful scroll if you don't know the spell. Auto-cast and the opponent needs to make a will roll of 18 or die instantly.
300 gold may be a lot of money but it's very possible to get by selling all your loot after a single game, and for a 65% chance to kill the enemy wizard the moment you see him (until he gets some will roll improvements from level ups) they're probably worth it.
I'm not crying for the banhammer or making cries of OP, just soliciting thoughts as I fear they could turn low level play into nuke tennis if their use becomes common. The first player to land a hit kills the enemy wizard, and effectively kills his opponent's warband for all future games, unless they have a high enough level apprentice or a life potion (again both less likely at low level play).
A fairly soft house rule suggestion would just be that Strike Dead can't be cast from scrolls if you don't know the spell.
Thoughts?