In Classic Grief (aka 2020 style)

• Gift free ranks to other players /grant
• Grant limits: hero:3, god:2, supreme:1, legend:1
• Create public warp point /setwarp
• Brighter chat color (green)
• Broadcast messages in chat /bc
• Sell more items in /market - 40
• More /sethome points - 100
• More /region claims - 100

In Modern Grief (aka Cetrine)

• Nice bright green prefix in playerlist and chat
•  Broadcast colorful messages in chat (5 min)
•  Create public warp points (up to 1)
•  Coins boost x1.6 when killing zombies
•  Take a peek in your friends inventories
•  Kill your character with command
•  Clear your inventory with command
•  Change weather for yourself (visual effect, no impact on gameplay)
•  Get some exp points with command (once per 3 hours)
•  Extinguish yourself (only outside of pvp, once per hour)
•  Change time of day (for yourself, visually)
•  List nearby players (except those under potion of invisibility)
•  Hide specific players from your chat
•  Wear any block as a hat
•  Open crafting table with a command
•  Open enderchest with command (outside of pvp)
•  Set your afk status
•  You can heal yourself (outside of pvp, with a cooldown)
•  You can feed yourself (with a cooldown)
•  Set 100 home points and claim 100 regions
•  Sell up to 55 items on auction

Rank will last 30 days from time of purchase