Other candidates: bloodthorn taunter, brimstone mage, rampant growth, harrow, burst of speed, burst lightning, canopy cover, chain reaction, comet storm, cosi's ravager, crusher zendikon, deadly recluse, dragonmaster outcast, drumhunter, elemental appeal, zektar shrine expedition, ember weaver, explosive revelation, exuberant firestoker, fiery hellhound, fireball, firebreathing, flameslash, flameblast dragon, forked bolt, giant growth, gigantiform, gift of the gargantuan, goblin arsonist, goblin artillery, goblin assault, awakening zone, goblin bushwhacker, goblin razerunners, goblin ruinblaster, oracle of mul daya, greenweaver druid, groundswell, vines of vastwood, growth spasm, heat ray, hellfire mongrel, hellspark elemental, hissing iguanar, inferno trap, irresistible prey, khalni heart expedition, kindled fury, bull rush, lava axe, lush growth, lust for war, manaplasm, mark of mutiny, might of oaks, mold shambler, mosstodon, mul daya channelers, nature's spiral, obsidian fireheart, overrun, panic attack, prey's vengeance, protean hydra, punishing fire, quenchable fire, quest for pure flame, quest for the gemblades, rakka mar, realms uncharted, rip clan crasher, ruinous minotaur, savage hunger, searing blaze, slaughter cry, soul's fire, soul's majesty, cunning sparkmage, sparkmage apprentice, splinter twin, strength of the tajuru, summit apes, tanglesap. terra stomper, thorn-thrash viashino, toxic iguanar, turntimber basilisk, volcanic fallout, vithian stinger, wildheart invoker, world at war, tajuru preserver.
maybe splash black for lavalanche and a host of other black/jund cards. Titanic or violent ultimatum with splash as well. or naya charm...