1) Announce Shop:
A plugin based on advertising a shop.
x1 ad every 60 min: X money or tokens
x3 ad every 60 min: X money or tokens
etc etc..

2) Online tag rewards:

a) Reset all the players play time to 0
b) Tags are restarted every season
c) Examples:
12 Hs played: Rabbit Miner
24 Hs played: Wolf Miner
48 Hs played: Cow miner
5 Days played: Zombie Miner
10 Days played: Skeleton Miner
30 Days played: Wither Miner
60 Days played: Herobrine Miner
90 Days played: Legendary Miner
120 Days player: Vortex Miner

3) Custom pets:
a) help mining.
For each rank have a pet.
Example: Thief pet help with 5% energy 5% token 5% money
Gangster 7% energy 7% token 7% money
b) Upgradable only x5 level, with custom coin, how to get coins? from reward of 1,000,000 blocks mined.