ahh I used to love this deck. although, mine was muich more speed oriented
my suggestions would be to
add 1 blaster, 3 redox, 3 laval cannon 1 mst 3sacred sword, 1 reinforcement of the army 3 reckless greed 3 upstart goblin
over 3 decree 2 t roar 1 excavation 1 dealings 2 ryko 1 marshmallon 1 turbo warrior 2 card car 1 one day of peace 1 lava golem 1 laval lancelord 2 flamvell firedog
you will otk/summon quasar on turn 2 about 80% of the time, and the deck has late game plays unlike most laval builds.
also you would be updating the extra deck to accommodate the changes but I don't think that needs to be listed