1incan/thana and all atroce on the rest, and 90-120 int is enough and go for 29x no point explaining why 90-120 it doesnt realy gets dmg on that it only helps a little bit . So its still str based and yes sinx runes stacks . And as for aura, i'd say emp since it has lore +5 stats because +% on sd wont work so yeah and as for accesories go for 2x lokis with owl baron and str rune. Well thats only me but you can do 2x str rune . And yeah get phree if your hit too low.
And skel worker doesnt work on sd and NEVER. Put that high int , im telling you , you would suck. I can do 40-70k sd with 12* int,and 29x str , . Just like i said just use incan/thana , 3x atroce and 4x atroce on dagger . Atroce adds 100 ATK each card so its the best. Have fun