While, as far as i know, Searing shot hits everyone in the field, making it not so good in a double or triple.
Fusion flare has the same pp, power, and accuracy, but without the 30% burn and the multi hit, making it an option.
I would actually prefer flamethrower, but between these moves i would choose searing shot as Doubles/triples are not common.
V-Create might have an awesome Base Power, but the drawbacks are too great for it to be considered a move(unless using it then switching out the next turn).
EDIT: V-Create lowers its defenses and speed to 123-219 Base at lv100, so V-create is not worth it.
Victini can be considered for a T-Room team, but the lowered defenses will make it vulnerable due to it's