This devastating two-card finish relies on a brutal multiplier effect to wipe out entire libraries in a single blow. When you cast Singularity Rupture, it wipes the board of all creatures and forces target players to mill half their libraries, but the presence of Bruvac the Grandiloquent steps in to double that exact amount. Because halving a library and then doubling it effectively results in milling the entire deck at once, this combination instantly empties your opponents' libraries—or even your own, should you need to set up a massive graveyard-based victory.