I watch the TV series Glee to learn English and came across the phrase if anything. It's in a sentence Rachel said.
If anything, she is gonna kill all of our chances to achieve that elusive goal (she means nationals by that).
The context is that Mr. Shue the teacher wants to recruit Sugar Mota who sings awfully.
At first, I thought that meant if anything happens but it didn't feel right. Then I thought of the phrase if nothing else, which means Mota might do a lot of damage to the Glee Choir and killing all the chances was only one of them and probably the most important one. But it didn't feel right, either.
What does the phrase mean here?