Lord Webber, King of Cats

Eminence - At the beginning of combat on your
turn, if Lord Webber, King of Cats is in the
command zone or on the battlefield, another
target Cat you control gets +3/+3 until end
of turn.
Whenever another Cat you control attacks,
you may pay {1}{g}{w}. If you do, it gains trample
and gets +X/+X until end of turn, where X is
its power.