Amethyst rank will grant you the following:

Perks:

• [Amethyst] Prefix
• 5x Normal Shop Plots
• 2x Large Shop Plot
• 10x Homes
• 6x Warps
• +30000 Claim Blocks
• Shops Expire After 60 Days

Commands:

• /heads - Use a selection of decorative heads
• /sit - Sit down anywhere
• /itf togglemode glow [colour] - Toggle the glowing colour of item frames
• /craft - Open a crafting table anywhere
• /near - See who is near you
• /sit playertoggle - Ride on another player
• /phead (Username) - Receive the head of any player
• /ptime - Change your personal time
• /hat - Use any block as a hat
• /pp - Set custom player particles
• Edit armour stand by using a piece of flint
• /chestsort - Toggle automatic chest sorting
• /invsort - Toggle inventory sorting
• /respawn - Kill yourself easily
• /anvil - Opens an anvil
• /echest - Opens your ender chest
• /lay - Lay down on the ground
• /crawl- Crawl on the ground
• /spin - Spin on a block
• /bellyflop - Belly flop on the ground
• /itemlore - Add your own lore to items
• /itemname - Easily name items, including colours
• /cartographytable - Open a Cartography Table
• /grindstone - Open a Grindstone
• /loom - Open a Loom Table
• /smithingtable - Open a Smithing Table
• /stonecutter - Open a Stonecutter
• /back - Teleport to your previous location
• Put colours in warp names
• Put colours in warp descriptions
• Set claim flags (/help flags)
• /pp fixed - Set custom fixed particles
• Format Nicknames
• /top - Teleport to the surface