SPELL

SPELL:
Specifies the required spell. This only works for some item types.

Valid Options:
Any spell name.

Examples:
TYPE RING LEVEL 20 SPELL BLESS BID 1000
To find a level 20+ bless ring

Note: For spells with more than one word, surround the spellname with ' 's.
TYPE RING LEVEL 20 SPELL 'DETECT INVIS' BID 1000