Trapnash.

Trapyte -> (Leveled to 26) -> Bytes -> (Leveled to 45) -> Trapnash.
Moves:

Take Down

Metal Claw

Body Slam (9)

Harden (16)

Magnet Bomb (22)

Magnet Rise (30)

Iron Tail (42)

Protect (50)

Flash Cannon (68)