Once you hit critical mass, you mill your entire library with Balustrade Spy before Dread Returning either Thassa's Oracle or Flayer of the Hatebound plus a massive Golgari Grave-Troll to dome your opponent
What you are doing is using the awesome spell and trap cards that support him like a true spellcaster: Dark Magical Circle and Eternal Soul You have a lot of decent cards like Magician's Robe, Magician's Rod, Magician Navigation, and Illusion Magic
1 of the following: Rare, Ultra Rare, or Secret Rare
Cards like Nissa, Voice of ZendikarNissa, Voice of Zendikar and Gavony TownshipGavony Township are incredible inclusions that wouldn't be scoffed at even without that Rishkar synergy
Explore Shiny Star V, the unique Japanese S4a set, part of the exciting Sword and Shield era of the Pokmon Trading Card Game
Limited options