Tim, Forever Friend

Eminence — At the beginning of combat on
your turn, if Tim, Forever Friend 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.