Blaziken has been knocked down a peg due to Infernape, but using Infernape it just has no staying power and it lacks elite speed or elite attack. Blaziken has just enough speed, and a higher base attack in both areas to make it a more viable option.
Looking at the analysis for Blaziken, I was sort of surprised that there was nothing in there about using Blaziken's 110 special attack, besides a line about Fire Blast 2HKO'ing Donphan (always). That would be without EV investment. While it has a limited special move pool, there's enough to get by. You can use a few different sets. It's a good candidate as either a purely special sweeper with the right support, or a mixed sweeper.
Blaziken
-Fire Blast
-HP Ice
-Sky Uppercut
-T-Punch/Solar Beam/Blaze Kick//Earthquake
Item: Choice Scarf
Nature: Naive/Mild
Evs: 252 SP ATT, 252 speed, 6 ATT
Ok, the fourth slot is in the up in the air. It really just depends on how you want it to fit with your team. There's a lot you can do there. You can go for stab. You can add in another physical move. I include Solar Beam because I originally intended to use it with sunny day.
The nature depends on whether you want to outrun everything but Deoxy's/Ninjask un-scarfed or get more power. I'm leaning towards Naive to outrun scarfed Heracross.
Fire Blast does some hefty damage. The set above is.
Bronzong - Damage: 49 - 57 (max SP DEF/postive nature)
Bronzong/w Mild nature - 75 - 88
Donphan - 69 - 81 (max HP)
Donphan/w mild - 76 - 89
Hippowdon - 55-65
Blaze changes things up a bit in the end. Hippowdown can just be OHKO with blaze and mild nature (90-106). Donphan is OHKO with blaze. HP Ice does roughly the same damage to those two.
It could 2HKO a Rhyperior if blaze were activated and it were mild. Dusknoir would be a 3HKO.
HP Ice:
Garchomp - 89 - 104
Garchomp/mild - 97 - 114
Salamence - 100 - 118
Sky Uppercut:
Blissey - 55 - 65
Tyranitar - 99.75 -117 (max HP)
Solar Beam, which is what I was going for originally:
Donphan - 92 - 108
Donpahn/mild - 101 - 118
Hippowdon/mild - 80 - 104
Swampert - 99 - 116
Swampert/mild - 108 - 127
Solar Beam doesn't have much of an advantage, unless you're looking to kill Swampert.
Thunderpunch:
Starmie - 48 - 57 (172 HP EV's)
Gyarados is a 2HKO one way or another.
Cresselia walls it entirely. Dusknoir, as well, unless you have blaze kicking in and a mild nature.
Not quite gimmicky. Doesn't rely entirely on surprise. Screws up most of the common switches.
Looking at the analysis for Blaziken, I was sort of surprised that there was nothing in there about using Blaziken's 110 special attack, besides a line about Fire Blast 2HKO'ing Donphan (always). That would be without EV investment. While it has a limited special move pool, there's enough to get by. You can use a few different sets. It's a good candidate as either a purely special sweeper with the right support, or a mixed sweeper.
Blaziken
-Fire Blast
-HP Ice
-Sky Uppercut
-T-Punch/Solar Beam/Blaze Kick//Earthquake
Item: Choice Scarf
Nature: Naive/Mild
Evs: 252 SP ATT, 252 speed, 6 ATT
Ok, the fourth slot is in the up in the air. It really just depends on how you want it to fit with your team. There's a lot you can do there. You can go for stab. You can add in another physical move. I include Solar Beam because I originally intended to use it with sunny day.
The nature depends on whether you want to outrun everything but Deoxy's/Ninjask un-scarfed or get more power. I'm leaning towards Naive to outrun scarfed Heracross.
Fire Blast does some hefty damage. The set above is.
Bronzong - Damage: 49 - 57 (max SP DEF/postive nature)
Bronzong/w Mild nature - 75 - 88
Donphan - 69 - 81 (max HP)
Donphan/w mild - 76 - 89
Hippowdon - 55-65
Blaze changes things up a bit in the end. Hippowdown can just be OHKO with blaze and mild nature (90-106). Donphan is OHKO with blaze. HP Ice does roughly the same damage to those two.
It could 2HKO a Rhyperior if blaze were activated and it were mild. Dusknoir would be a 3HKO.
HP Ice:
Garchomp - 89 - 104
Garchomp/mild - 97 - 114
Salamence - 100 - 118
Sky Uppercut:
Blissey - 55 - 65
Tyranitar - 99.75 -117 (max HP)
Solar Beam, which is what I was going for originally:
Donphan - 92 - 108
Donpahn/mild - 101 - 118
Hippowdon/mild - 80 - 104
Swampert - 99 - 116
Swampert/mild - 108 - 127
Solar Beam doesn't have much of an advantage, unless you're looking to kill Swampert.
Thunderpunch:
Starmie - 48 - 57 (172 HP EV's)
Gyarados is a 2HKO one way or another.
Cresselia walls it entirely. Dusknoir, as well, unless you have blaze kicking in and a mild nature.
Not quite gimmicky. Doesn't rely entirely on surprise. Screws up most of the common switches.