All of this is stapled onto a pretty good template: a very aggressive double strike-vigilance-haste combination that allows it to attack as well as being activated as soon as it hits the battlefield
You'll want to seek the long game with Death Toll don't be too aggressive, set up your defenses, and show opponents the futility of messing with you by simply bringing dead cards back from your graveyard
The Security Standard: Avoid three-ring binders that cause ring wear and binder bend
I like the idea of Queen Marchesa not just sitting back as the monarch and daring stuff to happen, but charging into combat, gaining us some life, and taking back the crown if need be
Angel's Mercy still does not deserve a slot, but pump up a lifelink creature Serra Ascendant or Danitha Capashen, Paragon, or jam Sephara, Sky's Blade and you're set for powerful reanimation each turn