nice ass red combo

[Riva Iron-Grip]

i'm at herald's house right now. and we've played 6 games. he's using his green elf deck, and i'm using my burn deck. in 2 games i got this combo twice on like 3rd turn
draw
play scorched ruings
tapped 2 mountiains
sac them both for ruins
play 3 incinerates/flame jets
i also did 13 damage in one on 2nd turn, but cant remember how.

 

[Thrash Golem]

for scorchedruins the mountains have to be untapped to sack them