What was wrong with this? AP supports could build this for some nice utility and sidelane pressure vs heavy AP teams. Ever since you made it into a tank item, no one has been using it.
BANNER OF COMMAND
OLD STATS: +200 health, +20 magic resistance, +100% base health regeneration, +60 ability power, +10% cooldown reduction. Unique Aura – Legion: Nearby allied units gain +15 magic resistance (1100 range).
Also, currently BoC mentions that this item gives you +0 Mana.