just an idea: what about use soul catchers, immolations, bone walls and nymphs?
I've desperately tried to make such a thing work before, but the problem is you need a 3 card combo in your starting hand to get going at all (spark, soul catcher, immo)
This is the best version I managed using that strategy (with death nymphs because of infinite death quanta):
Hover over cards for details, click for permalink
534 534 61p 61p 61p 61p 61p 61p 717 717 71b 71b 71b 71f 71f 71f 71f 71f 71f 7dm 7dm 7do 7do 7do 7do 7do 7dp 7dp 7dp 7dp 7dp 7dp 7ee 7ee 7ee 8po
Edit: this almost worked, but finally didnt:
This at least doesnt deck out while seemingly having the same speed:
Hover over cards for details, click for permalink
534 534 5fk 5fk 717 71a 71a 71b 71b 71b 72i 72i 72i 72i 72i 72i 72i 72i 72i 72i 72i 72i 72i 72i 7dm 7dm 7do 7do 7do 7ee 7ee 7ee 7ee 7ee 7ee 8po