Heart of Time

Eminence - As long as Heart of time is in the
command zone or on the battlefield, other
creatures you conrol gain
Lifelink and {p/w}{p/b}{p/g}{p/r}{p/u}regenerate.
{p/b}{p/g}{p/r}{p/u}{p/w}{t}Destroy heart of time: Choose a
permanent type, destroy all permanents of the
chosen type.
"Time always gives but ultimately takes away."