Lethalsickle-Steel;

[mattgcn]

Gashper/Sinciser perhaps Scyther?

1. Name: Lethalsickle
2. Description: A powerful slash that halves the opponent's HP.
3. Base PP: 10
4. Type: Steel

1. Power Base: N/A
2. Accuracy: 85%
3. Effect: Deals damage equal to half opponent's HP.
4. Side effect accuracy: N/A
5. Touch: Yes

[KARR]

"The foe is slashed powerfully. The foe's HP is cut in half."

-still quite partial to the old one- guiltysparkzz

[Super Cuddles]

Should be given to kabutops instead of scyther. Scyther/scizor already has Hack and scizor is already very powerful. Not to mention that Lethalsickle is a cheap move that doesn't consider weakneses.

Edit: and that's also the reason why only raticate has super fang.