WUR plays the same Jeskai control shell built around Jeskai Revelation and Great Hall of the Biblioplex, so treat it like the Jeskai matchup: get proactive and protect your own spells. Duress strips a Revelation or Stock Up before it resolves, Negate and Disdainful Stroke (which counters anything mana value 4 or greater, catching Revelation and Thor, God of Thunder) protect your threats from their removal and countermagic, and Wistfulness cast for GG exiles Tablet of Discovery to slow their card flow. Board out Nowhere to Run, Bedeck/Bedazzle, Sandman, the Ancient Cornucopias, and Outrageous Robbery, since none of them meaningfully affect a grindy control mirror.