Ive been super excited for this set to drop and it focuses on a heap of cool creature types and has a crossover that I know people will love
When Elenda dies, create X 1/1 white Vampire creature tokens with lifelink, where X is Elenda's power
While not nearly as common of a theme as artifacts matter or Zombies, there's actually a surprising amount of awesome flash cards in Blue and White in Standard
While Chameleon cannot return itself to your hand, getting to copy another creature while changing its name is always useful
Because damage remains marked on a creature until it's removed as the turn ends, nonlethal damage dealt to a creature you control may become lethal if Heavenly Blademaster leaves the battlefield during that turn or if an Aura or Equipment is removed from it
Demonic Counsel, while flavored like Demonic Tutor, requires a bit of extra work to get the game breaking benefit of searching your library for a card.You do need to have Delirium (4 different Card types in your Graveyard) to be able to search what you need akin to Traverse the Ulvenwald.Delirium can be hard to activate, even if youre running fetchlands, a mix of permanent types and some Instants and Sorceries