Originally Posted by
Arianrhod
The reason to be in white atm is sideboard cards, honestly. Even in my white splashed delirium list, the only maindeck white cards are a pair of StP to diversify my removal, Qasali (which is technically replaceable with RecSage), Sun Titan (because Titan/Deed is the most broken thing you can do in that deck), and Palace Jailer, which it's not even clear he's better than Custodi Lich.
The real draw is what the sideboard offers, which includes Canonist, Kambal, Sanctum Prelate, and Teeg. Blessed Alliance is an upgrade over Diabolic Edict, and Lingering Souls is strong at the moment. Zealous Persecution is at least on par with Golgari Charm, IMO.