Personal Opinion:
Unfortunately, Trickster has been toned down a lot in DMC4, losing both Triple-Dash and Wall Run. However, in DT, you can perform a double-Sky Star, which is very cool.
Dash
A quick dash that allows you to deftly evade enemy attacks.
While on the ground, press the left analog in any direction + O
Sky Star
Use magical energy to create a mid-air platform from which you can kick off and move horizontally.
In mid-air, press the left analog in any direction + O
Mustang???
Close in on an enemy by dashing, then use their body as a platform to jump into the air.
After dashing, collide with an enemy while holding O
Flipper
Flip back into a safe position after being knocked off your feet by enemy damage.
When knocked off your feet, press O
Air Trick
Aim above an enemy’s head and disappear in the blink of an eye with blindingly quick movements.