This video explains how to add 7 new TNTs in vanilla MC (1.12) with only one function. This isn't related to Christmas but Merry Christmas anyways ;)
Twitter : https://twitter.com/Night__Fang
Music :
Cartoon - Immortality (feat. Kristel Aaslaid) [https://youtu.be/a--V2nZBtXM]
Unknown Brain - Perseus (feat. Chris Linton) [https://youtu.be/vAMexKKYaG8]
⇓ Download the function ⇓