[ABANDONED] I abandoned this project, because it is poorly written, since I made it as a starter project when I was first learning Java/Bukkit. However, you can still improve it yourself, by getting the code from its github repo.
SwhSkyWE - Best free Skyblock Worldedit plugin!

Features
Players can get single wands
You can add it as a feature thanks to permissions
Delay between blocks being put
No worldedit between islands, only player's island allowed
Maximum blocks limit in a single worldedit
Configurable messages & values
Works with ASkyBlock, more plugin support will come soon.
Economy support with Vault added in Update 2.1!
Command support added in Update 2.2!

Dependencies
ASkyBlock
WorldEdit
Vault
( Does not work with FAWE.)