Cat of Destruction

Flying
All cats get +2/+1
Vigilance
Master of All Creatures - At the beginning of your opponents upkeep, they may choose a creature they
control. You now control that creature. If they do not,
they must pass the turn.
When Cat of Destruction enters the battlefield,
make 5 flying cat creature tokens.
When Cat of Destruction enters the battlefield, sacrifice it unless X > 4.