These are some cool commands. :) I hope you like them.
                                                                      

1.)    Hatchet:     /give KATHMANDUE minecraft:Stone_axe 1 0 {display:{Name:"Hatchet",Lore:["Just a hatchet..."]},ench:[{id:19,lvl:1}],AttributeModifiers:[{AttributeName:"generic.attackDamage",Name:"generic.attackDamage",Amount:8.5,Operation:0,UUIDMost:23706,UUIDLeast:180854}]}


2.)    Flying Magma Cube Spawner:     /setblock ~ ~1 ~ minecraft:mob_spawner 0 replace {EntityId:LavaSlime,SpawnData:{CustomName:"Flying Magma Cube",CustomNameVisible:1,Size:6,Equipment:[{id:258,Count:3,tag:{ench:{id:32,lvl:3}],display:{Name:Magma Axe}}},{},{},{},{}],DropChances:[0.8F,0.0F,0.0F,0.0F,0.0F],Riding:{id:"Bat",BatFlags:1,ActiveEffects:[{Id:2,Amplifier:1,Duration:1999980},{Id:14,Amplifier:1,Duration:1999980}]}},SpawnCount:5,SpawnRange:11,RequiredPlayerRange:4,Delay:10,MinSpawnDelay:5,MaxSpawnDelay:11,MaxNearbyEntities:4}


3.)    Crystal Sword    /give Kathmandue minecraft:Diamond_sword 1 0 {display:{Name:"Crystal Sword",Lore:["It's Crystal! Not Diamond!"]},Unbreakable:1,AttributeModifiers:[{AttributeName:"generic.attackDamage",Name:"generic.attackDamage",Amount:8.5,Operation:0,UUIDMost:77056,UUIDLeast:171620},{AttributeName:"generic.movementSpeed",Name:"generic.movementSpeed",Amount:3,Operation:0,UUIDMost:48637,UUIDLeast:158693}]}




                                                                                                                        Thats all for now! More cool commands will be coming soon.