Assuming Minato will go for Deidara instead of Sasori first. If anything, Sasori's calm demanour and Deidara calling him Master Sasori would make Sasori the first target instead. Not knowing about the heart and puppet body will cost him his blitz. Though, if he aims for Deidara, due to knowing his nickname and all, Deidara can put up a smokescreen by throwing a simple bomb or replacing himself with a Doppleganger like he did when he was escaping Team Gai's attacks while being fully under Byakugan's vision.
Talking about Sasori's Iron Sand.
What stopping Minato from creating a clone & going for both at the same time?
Deidara is not gonna fooling Minato with smoke & a clone, once he realize it was a clay clone he'll throw a Kunai in the air & catch Deidara or he can use FCD to bring him down.
Sasori's core won't go unnoticed by Minato, if he takes Sasori down when he comes back Minato will figure out the trick.
Iron Sand is to slow for Minato & if Sasori decides to camp inside Minato can breach his defense with Bunta's help.
Um. Massive bombs and Sasori's destructive attacks are what he's gonna be paying attention to. Deidara has shown to distract people by throwing in a false ''attack'' that will allow him to create a smokescreen or have the enemy focus on his first bomb so he could get the second bomb underground or where ever he wants it to be. And this time he has Sasori to cause more destruction and distraction.
Minato can't exactly run away from a village bomb radius, you know? Unless he puts marks around such an area, but he can't do that since he'll be fighting Sasori and Deidara and is allowed no previous preparation, i.e. marking placing.
Also, why would Deidara's bombs affect Sasori? Why would Sasori stay on the ground? Why wouldn't Deidara bring him along in the air or why wouldn't Sasori just step on his own Iron Sand platform?
Minato can dance around anything besides C3 & C4.
The problem is their attacks are to slow to cause Minato any trouble, he can get out of C1 & C2's range with ease.
But he Shunshin'ed across Konoha during Kyuubi's incident didn't he? Also covering mountain range distances isn't so hard as Hashirama was able to escape from a Bijuu Dama on foot & he's not anywhere near Minato in speed.
Minato won't stay on the ground the whole time, he can go airborne by spamming FTG Kunai's & bring them down with Bunta's help once he gets close to them.
Have we ever seen him change his Chakra from battle to sensory and run around with Shunshin or use Hiraishin at the same time as having sensory type chakra? I don't remember seeing such a scenario. Every time he used sensory, he was either sitting down with a finger on the floor or was standing still.
Once his Chakra type changes to sensory type he doesn't need to constantly change it, it remains in sensor type until he decides to change it back.
He can change his Chakra type to sensory at the start of the battle & maintain it as long as he wants, he changes his Chakra type by his will.
._. You do know Sasori is a puppet and doesn't breathe, right?
Never said Sasori is gonna inhale the bombs, the way you describes it Deidara is gonna carry Sasori around in order to keep him safe from explosions & this will make Minato's work easier since he can take them out at the same time or if Sasori don't follow Deidara around he takes the risk to get in the range of explosions.