At the Academy on the island of Tolaria, Urza the Planeswalker gathered the most talented minds of Dominaria. Together they work to create a new weapon, Urza's greatest creation, to protect Dominaria from Phyrexia. In the course of research and experiments, scientists touch on an unpredictable and dangerous dimension - time itself. The ability to control it promises a huge advantage in the upcoming fight against an old enemy, but taming time is not so easy...