What it does.
This tool shows the abilities that a mage needs to cast on entering a new layer on thorgast by the effect of https://www.wowdb.com/spells/320922-mad-wizards-scrawlings.
It shows you the spellicon as a big block in the center of the screen so you will not miss it and gain your 5% intellect in the most efficient way since you dont have to write the rotation in chat anymore.