fake items

[PD Wooper]

Sharpener - Like leftovers; in that each turn attacks involving cutting/slashing [such as leaf blade, vicegrip, cut, slash] do 5% more damage.
So it'd start out on the 1st turn; Leaf blade would do base 70 damage.
Next turn, 73. After that 77, 81, 85, 89, 93, 98, 103, 108, 114.
Seeings as most pokémon that learn these moves are sweepers, it's not too OP as many of them faint very soon. But a STAB'd 114 base power leaf blade from Sceptile which happens to be a critical hit would prolly OHKO.