>surface
/house + lucky block
group(type=structure,ID=house;type=block,ID=lucky:lucky_block_creeper,tileEntity=(Luck=20),posX=#bPosX+1,posZ=#bPosZ-1)@chance=1000

/chunk
type=structure,ID=chunk@chance=3000

/tower
type=structure,ID=tower@chance=2000

/ruins
type=structure,ID=ruins@chance=800

/island
type=structure,ID=island@chance=4000

/one block
type=block,ID=lucky:lucky_block_creeper@chance=200

>nether
type=block,ID=lucky:lucky_block_creeper@chance=100

/altar
type=structure,ID=altar@chance=800

>end
type=block,ID=lucky:lucky_block_creeper@chance=100

/end
type=structure,ID=end@chance=800