Golgari Grave-Troll and other dredge cards replace your draw with milling, letting you dump tons of cards into your graveyard
Still, its a safe bet to start out with any artifact which lets Trazyn untap itself for three mana or less: Retrofitter Foundry, Basalt Monolith, Pili-Pala, Staff of Domination any and all of which should make Trazyn lethal once you get Gilded Lotus or Sceptre of Eternal Glory into the bin with them
This is useful in just about any red deck, but it does do more for red decks with plenty of treasure token generation in them
The decks range from 600 to 1000+ US dollars, making it one of the most expensive formats, though there are some very good decks that are somewhat cheaper
Cards that let you play a spell when you discard, like Loxodon Smiter, were designed as an answer to discard effects like Liliana of the Veil