Could you show me which one you're talking about?
My point was that Tobi can just teleport into the air if he wanted to. Minato can't without a mark. Minato's S/T requires on him being able to mark Onoki. Tobi's one doesn't.
Onoki can fly to the clouds. I just can't see Minato going up that high. And Onoki has this attack:
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That looks pretty long ranged to me
If Onoki didn't have the ability to fly, then yes I agree it's a bad matchup. But I just can't see Minato being able to tag Onoki apart from at the beginning when Onoki tries to fly away.