veinminer

[slow magnet]

https://skripthub.net/docs/?id=4516
this will help you with making sure fortune and stuff works

and you can use this as inspiration https://github.com/ShaneBeee/SkriptSnippets/blob/master/snippets/enchantment/Feller.sk

it's basically veinminer but for trees

[limber minnow]

^ basically loop blocks in radius of 1, and if they are the same blocktype, break and repeat

You’d likey want to use a recursive function here