AdCobblestoneEffect
About
A Minecraft plugin featuring two commands: /setadcobblestone (operator-only) saves the player's current location as the hurricane center. /adcobblestone <servername> (console-only) broadcasts a bold-gray "Join <servername>" title to all online players and simultaneously spawns a massive 45-block-tall, 30-block-wide cobblestone FallingBlock hurricane at the saved location. The hurricane swirls in a rotating helix pattern for exactly 10 seconds, then automatically removes all spawned entities.