Ulock, Dragon-Killer

Eminence - Whenever another nontoken Wizard
enters the battlefield under your control, if
Ulock, Dragon-Killer is in the command zone
or on the battlefield, you may pay {1}. If you do,
create a token that's a copy of that Wizard. The
token gains haste. Exile it at the beginning of
the next end step.
Tap five untapped Wizards you control: Target
player loses 7 life.