on break of any log:
   cancel event
   set block to stone
   execute console command "/scoreboard add %player% BlocksMined 1"
   give player 1 oak log
   wait 3 seconds
   set block to spruce log
   chance of 5%:
      set block to oak planks
on break of coal ore:
   cancel event
   set block to stone
   execute console command "/scoreboard add %player% BlocksMined 1"
   give player 1 coal
   wait 3 seconds
   set block to coal ore
   chance of 5%:
      set block to yellow glazed terracotta
on break of iron ore:
   cancel event
   set block to stone
   execute console command "/scoreboard add %player% BlocksMined 1"
   give player 1 iron ingot
   wait 3 seconds
   set block to iron ore
   chance of 5%:
      set block to red glazed terracotta
on break of oak planks:
   cancel event
   give player 3 oak log
   set block to spruce log
on break of yellow glazed terracotta:
   cancel event
   give player 3 coal
   set block to coal ore
on break of red glazed terracotta:
   cancel event
   give player 3 iron ingots
   set block to iron ore