Vizier of Unpredictability

Empower {u}{u}{r}{r} (You may cast this spell for its Empower cost. If you do, it enters the battlefield transformed.)
Flying
Whenever one or more Wizards you control deals combat damage to an opponent, each player draws a card. Then, if your opponents have 7 or more cards total in their hands, transform Vizier
of Unpredictability.