Jotaro Kujo

Haste, double strike, stand
This spell can't be countered. The damage
can't be prevented this turn.
All creatures you control gain haste and double
strike.
{u}{r}{r}: activate Star Platinum - exile all
permanents an opponent controls.
If Star Platinum was activated this turn, you may
pay {p/r}{p/r}. If you do, you win the game.