Phantom Assasin

Teams and Other Scoreboard Commands:
scoreboard objectives add Awesomeness dummy
scoreboard teams add Radiant Radiant
scoreboard teams option Radiant color dark_blue
scoreboard teams add Dire
scoreboard teams option Dire color dark_red
scoreboard teams add Neutral
scoreboard teams option Neutral color gray
scoreboard objectives add damageGiven stat.damageDealt
scoreboard objectives add damageTaken stat.damageTaken

Choosing Phantom Assasin:
/scoreboard players set @p Awesomeness 1
/give @p[score_Awesomeness_min=1] minecraft:fishing_rod 1 0 {Unbreakable:1,display:{Name:"Stifling Dagger"}}
/give @p[score_Awesomeness_min=1] minecraft:fishing_rod 1 0 {Unbreakable:1,display:{Name:"Phantom Strike"}}
/give @p[score_Awesomeness_min=1] minecraft:stained_glass_pane 1 0 {display:{Name:"Blur"}}
/give @p[score_Awesomeness_min=1] minecraft:minecraft:skull 1 0 {Unbreakable:1,display:{Name:"Coup de Grace"}}
/scoreboard teams join Dire @p[score_Awesomeness_min=1]
/say The Veiled Sisters sent me

Stifling Dagger
/testfor @p[score_Awesomeness_min=1] {SelectedItemSlot:0,Inventory:[{Slot:0b,tag:{display:{Name:"Stifling Dagger"}}}]}
/testfor @e[name=unknown]
/summon ArmorStand ~ ~1 ~ {CustomName:"Dagger",CustomNameVisible:0,Invisible:1b,Invulnerable:1b,NoBasePlate:1b,NoGravity:1b,ShowArms:1b,Small:1b,Equipment:[{id:"iron_sword",Count:1b},{},{},{},{}],Pose:{LeftArm:[270f,0f,0f],RightArm:[269f,0f,0f]}}
/tp @e[name=Dagger] @e[name=unknown]
/execute @e[name=Dagger] ~ ~ ~ /testfor @e[team=!Dire,name=!unknown,!Dagger,r=1,c=1]
/execute @e[name=Dagger] ~ ~ ~ /effect @e[team=!Dire,name=!unknown,!Dagger,r=1,c=1] 7 1 1
/execute @e[name=Dagger] ~ ~ ~ /effect @e[team=!Dire,name=!unknown,!Dagger,r=1,c=1] 7 1 1
/execute @e[name=Dagger] ~ ~ ~ /execute @e[team=!Dire,name=!unknown,!Dagger,r=1,c=1] ~ ~ ~ /particle reddust ~ ~ ~1 0.5 0.5 0.5 0 1000
kill @e[name=Dagger]
kill @e[name=unknown]

Phantom Strike
/testfor @p[score_Awesomeness_min=1] {SelectedItemSlot:1,Inventory:[{Slot:1b,tag:{display:{Name:"Phantom Strike"}}}]}
/testfor @e[name=unknown]
/execute @e[name=unknown] ~ ~ ~ /testfor @e[name=!unknownr=1.5]
/tp @p[score_Awesomeness_min=1] @e[name=unknown]
/effect @p[score_Awesomeness_min=1] 1 1 1
kill @e[name=unknown]

Blur
/execute @p[score_Awesomeness_min=1] ~ ~ ~ /testfor @p[team=!Dire,r=10]
/execute @p[score_Awesomeness_min=1] ~ ~ ~ /particle footstep ~ ~ ~ 0.2 2 0.2 3 1
/efffect @p[score_Awesomeness_min=1] 11 1 6

Coup de Grace
/testfor @p[score_damageGiven_min=1,score_Awesomeness_min=1]
/effect @p[score_damageTaken_min=1,c=1] 7 1 1
/execute @e[score_damageTaken_min=1,c=1] ~ ~ ~ /particle reddust ~ ~ ~1 0.5 0.5 0.5 0 1000
/scoreboard players set @a damageGiven 0
/scoreboard players set @a damageTaken 0