Each of these cards is going to be better based on the build of your deck, the way that you play the deck, and the opponents you expect to face
Unlike Dragons, the deck doesn't just have a ton of Vampires but also some interesting ways to make Vampires matter, like Blade of the Bloodchief and various lords, including Captivating Vampire, Stromkirk Captain, and Rakish Heir
Sisu is the titular last dragon of the incredibly underrated Raya and the Last Dragon
Sleeves Draft decks can be played unsleeved, but sleeves make shuffling easier and protect valuable pulls
The only trick worth mentioning is that the ability to discard a card is often an upside because we can use it to get a land or creature (the two hardest card types for our deck to get for delirium) in the graveyard to start milling away our opponent's deck with Manic Scribe
Is your favorite not on this list