Carbon copy?
Rend doesn't do a big chunk of its damage instantly.
Hamstring doesn't do damage.
Smash doesn't apply a melee attack speed debuff.
Vicious Slash idn't off the GCD.
Charge doesn't do damage.
Throw down isn't a channeled spell.
Slam doesn't stun.
Heroic Throw doesn't apply a healing debuff.
Shield wall doesn't make enemies take damage when hitting your character.
There's not a whole lot you would be able to do with your character if you insisted on having completely original abilities..