Battle of Mustafar

When Battle of Mustafar is casted out and there is a card with the name Obi won and Anakin/Darth Vader Double their power for the rest of the game.
{r}{r}{u}{u}-If this is payed in addition to the spell cost you may also give Obi won and Anakin/Darth Vader Haste and Vigilance for the rest of the game.