1.8 pvp (Scoreboards)

scoreboard players set @e[type=item,tag=!done_checking] cancer_pvp 0
scoreboard players set @e[type=item,tag=!done_checking] cancer_pvp -999999 {Item:{tag:{cancerpvp:1b}}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 1 {Item:{id:"minecraft:wooden_sword"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 2 {Item:{id:"minecraft:golden_sword"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 3 {Item:{id:"minecraft:stone_sword"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 4 {Item:{id:"minecraft:iron_sword"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 5 {Item:{id:"minecraft:diamond_sword"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 6 {Item:{id:"minecraft:wooden_axe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 7 {Item:{id:"minecraft:golden_axe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 8 {Item:{id:"minecraft:stone_axe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 9 {Item:{id:"minecraft:iron_axe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 10 {Item:{id:"minecraft:diamond_axe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 11 {Item:{id:"minecraft:wooden_pickaxe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 12 {Item:{id:"minecraft:golden_pickaxe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 13 {Item:{id:"minecraft:stone_pickaxe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 14 {Item:{id:"minecraft:iron_pickaxe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 15 {Item:{id:"minecraft:diamond_pickaxe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 16 {Item:{id:"minecraft:wooden_shovel"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 17 {Item:{id:"minecraft:golden_shovel"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 18 {Item:{id:"minecraft:stone_shovel"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 19 {Item:{id:"minecraft:iron_shovel"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 20 {Item:{id:"minecraft:diamond_shovel"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 21 {Item:{id:"minecraft:wooden_hoe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 22 {Item:{id:"minecraft:golden_hoe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 23 {Item:{id:"minecraft:stone_hoe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 24 {Item:{id:"minecraft:iron_hoe"}}
scoreboard players add @e[type=item,tag=!done_checking] cancer_pvp 25 {Item:{id:"minecraft:diamond_hoe"}}
scoreboard players tag @e[type=item,tag=!done_checking] add done_checking
function cancerpvp:entitydatas if @e[score_cancer_pvp_min=1,tag=!done_checking]