Jagger, Meow of the World

Eminence - At the beginning of combat on your
turn, if Jagger, Meow of the World 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}{w}{g}. If you do, it gains trample and
it gets +X/+X until end of turn, where X is its
power.