Bluestar, ThunderClan Leader

Eminence - At the beginning of combat on
your turn, if Bluestar, ThunderClan Leader
is in the command zone or on the battlefield, another target Cat you control
get +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.