Dismember cheaply answers Guide of Souls and Ajani, Nacatl Pariah before they generate a snowballing token board, which is critical since our creatures are otherwise outclassed on defense. Duress strips their Thogged disruption or a key Swords to Plowshares before we commit our hand to the board. Grist is often too slow against their proactive token-and-removal plan, and Wirewood Symbiote's untap utility matters less when we need raw removal and interaction against a wide aggressive board. We keep our core mana creatures and payoffs to still race with Craterhoof Behemoth and Gaea's Cradle mana.