my hacked block collection. You can use with or without credit. i imprinted my username there, anyway. To make a hacked block, download a project with at least one block. convert it to a .zip file. extract the contents of the file using winrar or ezyzip. download project.json. open it using a text or json editor. use control f to find the block you want. edit the opcode or inputs. you can find it with apostrophes. if you're done, save the doc/json file and convert it back to an sb3 file. open it from the editor and voyyeloh.
ezyzip dotcom and jsoneditoronline dot org