User blog comment:XEvarinya/From carry to support./@comment-24087642-20140302010403/@comment-5670872-20140302094007

Spell shield is there mainly to prevent your AD Carry from being stunlocked and beaten to death by enemies. Also as support you don't max your [W] skill first, but rather [Q] and [E] to ensure maximum lockdown potential and safeness of your AD Carry.