Goblin Lackey and Piledriver punish any slow draw, so Pyroclasm is a huge swing card that can wipe their board of Mogg Fanatics, Sharpshooters, and small Goblins before they overwhelm you, especially after a Hermit Druid mill sets up a graveyard payoff. Swords to Plowshares answers their biggest single threat, particularly a hasty Siege-Gang Commander token wave or an unchecked Goblin Piledriver. Trim Elvish Spirit Guide and Squee since you need real board interaction more than raw speed here, and Krosan Reclamation is too slow against a deck this aggressive. Keep your mana engine (Birds, Wall of Roots) intact since blocking and ramping into a reanimated fatty is still your best route to stabilizing.