Well, I guess if I'm limiting myself to just two....
Okay, this one took me awhile, but I've settled on these two.
https://www.youtube.com/watch?v=wFC3ZOImUv4&t=1s
https://www.youtube.com/watch?v=S1xKiMazIvo
https://www.youtube.com/watch?v=BWrj8dnQc_Q
For what it's worth, SniktBub's claws could likely cut through a Ranger suit, and SM2099 has a very good collection of powers going for him, but Dekabreak and Jotaro got too much speed.
Although that does bring up a question, do we assume people can see Stands in the arena?