I think assassin

This hero relys on creeps as ammo for alot of his powers

Psy Push - Blasts a creep backwards dealing (x) dmg to any enemy hit by the creep before said creep terminates in a gory explosion.

PsySlam! - Immoblizes a creep in the air. Creep is also immune to dmg. DG may then choose to slam the creep within range( of the creep not the DG) for huge (x) dmg AoE. Longish cd

"Max lvl Multi creeps can be picked and slammed rapid fire"

ManaCompactor- while not in combat( meaning not attacking being attacked or capturing a flag) DG regains x mana per sec. add on y every sec.(Example: x=10 y=2; 1s=10 mana per second ;2s=12 mana per second;3s=14 mana per second;)

Repulsor: Creates a magnectic shield around target(friendly) which repels all enemys away for x seconds. Addtionally Armor is dramatically increased for y secs.

Swap - swaps places with target. Range and mana increase.

"Powerful neat power"

Disclaimer! this hero is not an original idea and taken from the great Warcraft custom map Advent of the Zenith http://valorz.3.forumer.com/index.php?showforum=28