Because there’s fucking mad, and then there’s fucking mad.
Is it a rivally? Did they have an argument beforehand? That’s up to you to decide!
You have 45 minutes to draw, and 15 to submit.
Sources:
https://derpibooru.org/1412936 (threetwotwo32232)
https://derpibooru.org/928770 (Toonbat)
https://derpibooru.org/107308 (Ninjaham)