Hermione, the Muggle Born

Flash
Hermione, the Muggle Born costs X less to cast, where X is the number of Wizards you control. X can't be 0.
Other Wizards you control get +1/+1.
Muggles you control gain lifelink. (Human Nonwizard creatures)
Confundo {x}{u}{r}, {t} ({x}{u}{r}, {t}: Tap X target creatures)