Tomahawk

/testfor @p {SelectedItemSlot:0,Inventory:[{Slot:0b,tag:{display:{Name:Tomahawk}}}]}

execute @p ~ ~ ~ /summon Sheep ~ ~2 ~ {CustomName:oveja,Attributes:[{Name:generic.maxHealth,Base:1},{Name:generic.movementSpeed,Base:0.0001}],Riding:{id:Pig,Attributes:[{Name:generic.maxHealth,Base:100000},{Name:generic.movementSpeed,Base:0.0001}],CustomName:clicks}}

execute @e[type=Item] ~ ~ ~ effect @e[r=2,type=!Player] 7 100 100

execute @p ~ ~ ~ tp @e[name=clicks] @p

effect @e[name=clicks] 14 100 100 true

testfor @e[name=oveja]

kill @e[name=clicks]

testfor @p[score_hacha_min=1]

scoreboard players set @p hacha 0