>>23002063100 base speed is lovely, but life orb blaziken outdamages mega blaziken.
252+ Atk Life Orb Blaziken Flare Blitz vs. 252 HP / 0 Def Mew: 265-312 (65.5 - 77.2%) -- guaranteed 2HKO after Leftovers recovery
252+ Atk Mega Blaziken Flare Blitz vs. 252 HP / 0 Def Mew: 252-297 (62.3 - 73.5%) -- guaranteed 2HKO after Leftovers recovery
Really, unless you're into speed creeping, there's little reason to use M-Blaziken instead of something better, like Salamence (who actually breaks OU and is still a solid S-Rank in ubers).
