Its only drawback is the randomly-assigned direct damage not being able to target one of your opponents kind of hurts this Izzet sorcery
Surveil abilities that allow you to put the top card of your deck into your graveyard if you choose, and looting cards like Locke Cole can be good ways to fill your graveyard and comb through your deck for appropriate late-game threats
The second is imprinting something extremely repetitive, such as a board sweeper, so that the game cannot move forward
Abomination of Llanowar Belbe, Corrupted Observer Deathbloom Ritualist Deathrite Shaman Drey Keeper Eclipsed Elf Elvish Vatkeeper Glissa Sunslayer Glissa, Herald of Predation Glissa, the Traitor Glowspore Shaman Golgari Findbroker Golgari Guildmage Harald, King of Skemfar High Perfect Morcant Izoni, Center of the Web Izoni, Thousand-Eyed Jarad, Golgari Lich Lord Kagha, Shadow Archdruid Korozda Guildmage Lathril, Blade of the Elves Llanowar Dead Lluwen, Exchange Student Lluwen, Imperfect Naturalist Morcant's Loyalist Nath of the Gilt-Leaf Ochran Assassin Poison-Tip Archer Rakish Scoundrel Savra, Queen of the Golgari Shaman of the Pack Shessra, Death's Whisper Stoic Grove-Guide Storrev, Devkarin Lich Swarm Guildmage Tribune of Rot Trystan's Command Twinblade Assassins Tyvar the Bellicose Underrealm Lich Wardens of the Cycle Winnowing Forces