Time Twister effects used to be more popular but their high cost and high risk due to giving away up to seven new cards has seen them significantly decline in all bar the combo decks
If the creature you control already has a Role that you control attached to it, that Role will be put into its owner's graveyard as a state-based action after the Monster Role is attached to it but before the reflexive triggered ability resolves
That means she reduces any damage being dealt to her by 1 point per Knight you have on your side, which surely means were going to see some Knight-focused decks in the meta, taking advantage of this excellent ability
If youre after a Vampire Commander that blends lifegain and Voltron perfectly, shes a strong contender for the best Vampire Commander title
Sorcery speed means that you cant use it defensively in the same way you might use an Arachnogenesis, but it does the job just as well
Decklist The decklist contains one planeswalker, 30 creatures, nine sorceries, 12 instants, ten artifacts, three enchantments, and 34 lands