Naturalize is a strong answer to Survival of the Fittest, their core tutoring engine that fuels their whole plan. Unearth targets creature cards in our own graveyard rather than opposing creatures, making it an easy cut. Keep pressuring their mana dorks like Birds of Paradise, Fyndhorn Elves, and Llanowar Elves with Lightning Bolt to slow their path to Gaea's Cradle, and use Wasteland on Gaea's Cradle itself when possible.