This item is designed for AP Fighters.
Miracle Dagger: Melee only Ability Power - 60 Health - 450 Cooldown - 10% Unique Active - Target gets it's magic resist lowered for the next 3 seconds refreshing on damage up to 10 seconds by 10% per 100 AP capped at 30% Target must have been dealt damage in the 2 seconds in advance.
Build:
(850g) + 
(800g) + 1000g total 2650g
Tried to make it so mages and tanks couldn't abuse it. What do you guys think?
nelogis2 votesSoooo... a Wit's End with different stats and the MR shred is on an active?
Edit: Also who the hell will use this? This looks way too overpowered on Fizz Diana will use it too I guess Kassadin?
Frosted Tips1 votesWit's End is extremely niche and works on almost no one. also this gives percent pen. Also I added a stipulation so assassins wouldn't take it as much. People that would use it possibly 
Warlord Rhinark1 votesIt's going to be abused by AP Assassins more than anything.
Beatrice falls1 votesIt should shred a % magic resist, and not a flat amount, otherwise as said, it would be abused by AP assassins dealing true damage (and IF it's ever going to exist, it means 
would probably get nerfed)
Frosted Tips1 votesNo AP fighter can afford to build or . Right now they are balanced around not having good items, but once this item came out and balance occurred to their kits those two items would be practically unbuildable.
D357R0Y3R1 voteslet's make vladimir even more broken
i mean ap fighters are totally shit atm
see: vlad swain ryze(explain why he has so many shields and 3k hp then) rumble gragas
they're not all dominating high elo atm help them
Frosted Tips1 votesMelee only no Vlad no Swain no Ryze