hitting the sweet spot is something i'm not sure about since, well i guess the marths here don't sweet spot as much as they should, and we often are fighting on battlefield lol.
alternatively, as an edgeguard at low %'s, i do kind of like dsmash.
If they try to tech it, they will since it smashes them right into the stage, and if they tech jump and don't react to it then they're dead at any %
and if they tech and fall back down, you can do it again
i'm really not sure what hits his sweet spot though since like i said it seems to happen so rarely
as far as grounded missiling vs. marth dtilting
iirc he can dtilt clank w/ them. pretty stupid.
if i shoot them a bit higher, which requires missile canceling from the air (bad position), then he can't do it, but yea that comes w/ a lot of ish that could potentially get punished
though, uncharged shot may not clank w/ dtilt (go over it) and force a reaction of some sort, i'll have to try this out more but like i said no marth's ****in play the way they need too here lol
nair OoS as samus is pretty similar to nair OoS as sheik KK, so if you have any situations that it's useful aside from a direct punish of a whiffed move then feel free to share, granted yours is like 2 frames faster than ours but w/e
i don't find the opportunity to hit him w/ nair OoS too prevalent unless, like i mentioned, he whiffs a move over me. usually he's just spacing his **** if i'm shielding, so i find it more beneficial to continuously be moving, or shooting missiles, and make his spacing life hell
also i'm not sure where ur at w/ the dair thing, i thought we were talking about as an edgeguard, grabbing the ledge and forcing him to Ub onto the stage, and then dairing him, or waveland/pivot fsmash