Power-Ups In vanilla Minecraft!

Scoreboard
>/scoreboard objectives add villagertalk stat.talkedToVillager
Give Item
>/give @p minecraft:diamond_sword 1 0 {display:{Name:Power}}
Testfor and give
>/execute @e[type=MinecartRideable] ~ ~ ~ /testfor @e[type=Item] {Item:{id:minecraft:diamond_sword}}
>/execute @e[type=Item,c=1] ~ ~ ~ /particle cloud ~ ~ ~ 2 2 2 0.1 1000
>/kill @e[type=Item]
>/give @a minecraft:diamond 1 0 {display:{Lore:["Press Q To Activate"],Name:"Steve's Diamond"},ench:[{id:99,lvl:1}]}
>/give @a minecraft:golden_pickaxe 1 0 {display:{Lore:["Press Q To Activate"],Name:"Speed Mine"},ench:[{id:99,lvl:1}]}
>/give @a minecraft:blaze_rod 1 0 {display:{Lore:["Right Click To Activate"],Name:"Fire Staff"},ench:[{id:99,lvl:1}]}
>/give @a minecraft:bow 1 0 {display:{Lore:["A1MB0T"],Name:"Lock-on"},ench:[{id:99,lvl:1}]}

Green Section
>/execute @e[type=MinecartRideable] ~ ~ ~ /testfor @e[type=Item] {Item:{id:minecraft:diamond}}
>/execute @e[type=Item] ~ ~ ~ /summon ArmorStand ~ ~ ~ {Invisible:1b,NoBasePlate:1b,ShowArms:1b,Equipment:[{id:"diamond_sword",Count:1b},{},{},{},{}],Pose:{RightArm:[81f,181f,0f]}}
>Repeat step 2 for more armor stands
Blue Section
>/execute @e[type=MinecartRideable] ~ ~ ~ /testfor @e[type=Item] {Item:{id:minecraft:golden_pickaxe}}
>/effect @a 3 60 10
>/give @a minecraft:golden_pickaxe 1 0 {Unbreakable:1,display:{Name:"God Pickaxe",Lore:["The Ultimate Pickaxe!"]},ench:[{id:32,lvl:50}]}
>/kill @e[type=Item]
>/clear @p minecraft:golden_pickaxe
Yellow Section
>/execute @e[type=MinecartRideable] ~ ~ ~ /testfor @a {SelectedItem:{id:minecraft:blaze_rod,tag:{display:{Name:"Fire Staff"}}}}
>/entitydata @e[type=Villager] {Offers:{Recipes:[]},NoAI:1,Silent:1}
>/kill @e[type=Villager]
>/scoreboard players set @p villagertalk 0
>/execute @a[score_villagertalk_min=1] ~ ~ ~ /summon Fireball ~1 ~1 ~ {ExplosionPower:10,direction: [0.0,0.0,0.0] }
>/effect @e[type=Villager] 14 10 10
>/tp @e[type=Villager] @p

Need Help? Watch this for help: https://www.youtube.com/watch?v=qfgxJOa6wHo&feature=youtu.be