The Weed Block is from MLG Minecraft Story Mode episode 4. It is an MLG Version of the Command Block in MInecraft Story Mode, episode 4.
Friends: Everything MLG, Illuminati, Rick Astley.
Enemies: Sanic, Gabe Newell, Taels, Jesse's Gang, Doge, Hostile Mobs.
Real Counterpart: The Command Block (Minecraft Story Mode), the Wither Storm (real counterpart of the Illuminati-Storm)
Link to the Video of it's apperance: https://www.youtube.com/watch?v=a6vAq3yOSpk
The Weed Block controls the Illuminati-Storm, an MLG version of the Wither Storm.
The Weed Block appears as a Weed, replacing and/or cencoring the Command-Block.