Focus Target her so you can always see what she is doing even when you are tanking an add. She also does it at set intervals that you will get used to over time.

ex. She does slip stream 10 seconds after adds pop before twisters, just about when you get her to her spot she'll start using slipstream followed by Suprana's slip stream. You run through them both to avoid Garuda's and then run back through them to avoid Suprana's.

Another time is during the big twister when you are in the middle of the field with Spiney she will do Slip stream right after the spiney gives the other tank 2 stacks. I run through slip stream and then voke the spiney.