Upped Fire: Turn 1: Draw 1 Burning Tower, 2 Brimstone Gemfinder, 2 Immolation, 3 Lava Destroyer; play everything, deal 21 damage
Turn 2: Draw 1 Minor Phoenix; play it, use 2 destroyers' abilities, deal 29 damage for a total of 50
Turn 3: Draw 1 Burning Tower; play it, deal 29 damage for a total of 79
Turn 4: Draw 1 Lava Destroyer; play it, deal 36 damage for a total of 115.
The draws for turns 3 and 4 are not really necessary.
EDIT:
Turn 1: Draw 2 Burning Tower, 1 Minor Phoenix, 2 Immolation, 3 Lava Destroyer: play everything, deal 21 damage (4
left over for next turn)
Turn 2: Draw 1 Brimstone Gemfinder; play it, use 2 destroyers' abilities, deal 27 damage for a total of 48 (7
left over for next turn)
Turn 3: Draw 1 Lava Destroyer; play it, deal 34 damage for a total of 82 (6
left over for next turn)
Turn 4: Draw 1 Lava Destroyer; play it, deal 41 damage for a total of 123.
Well, I'm getting closer