Eldor's Battle Brew

You touch one gallon of beer, which is consumed by the spell. Up to eight creatures can drink this beer and gain the following benefits for one hour:

+1 to attack rolls and AC

At the end of the hour, each creature who drank the beer must make a CON saving throw against the spellcaster's spell save DC. On a failed save, a creature has -1 to ability checks and saves for four hours.