Confidence mandala from the sapien medicine instagram (print and put in your pocket):
https://www.instagram.com/p/ButhlyFgoLz/?hl=fr
For audio, you have the fight to flight :
https://forum.enlightenedstates.com/t/flight-to-fight/33417
An unstoppable willpower is good in sport also :
https://forum.enlightenedstates.com/t/unstoppable-willpower/1318
You also have have the extreme confidence on sapien medicine channel, the smilodon mandala, there are more but this is enough I think