A solution for turn 2 on the draw. I can't seem to hit turn 2 on the play, but I -think- it's possible.
Edit: This looks kinda ugly, so here's a link to a picture: https://i.sstatic.net/aw30D.png
Mana Pool Cards in Hand
Turn one 0 8
Plains W 7
Doomed Traveler 0 6
Turn two W 7
Mountain WR 6
Infernal Plunge, sacrificing Doomed Traveler WRRR 5
Infernal Plunge, sacrificing Spirit, hold priority WRR 4
Increasing Vengeance, targeting Infernal Plunge WRRR 3
Increasing Vengeance, targeting Infernal Plunge WRRRR 2
Increasing Vengeance, targeting Infernal Plunge WRRRRR 1
Resolve Infernal Plunge WRRRRRRRR 1
Desperate Ravings, discarding Past in Flames WRRRRRR 1
Doomed Traveler RRRRRR 0
Flashback Past in Flames R 0
Flashback Infernal Plunge, sacrificing Doomed Traveler RRR 0
Flashback Infernal Plunge, sacrificing Spirit, hold priority RR 0
Flashback Increasing Vengeance, targeting Infernal Plunge RRRRRR 0
Flashback Increasing Vengeance, targeting Infernal Plunge RRRRRRRRRR 0
Resolve Infernal Plunge RRRRRRRRRRRRR 0
Flashback Desperate Ravings, discarding any card RRRRRRRRRRR 1
Devil's Play for X=8, hold priority RR 0
Flashback Increasing Vengeance, targeting Devil's Play, dealing 16 damage 0 0
Resolve Devil's Play, dealing 8 damage 0 0