There are some potentially useful cards in here for adding to existing decks but if youre just starting out, youll want to build those first
I saw the Katy Perry ones and thought they were fake, hahaha
You can lean more heavily into playing Aristocrats, or even branch out into combo territory if budget allows (Exquisite Blood + Sanguine Bond is well known and very vampire-y )
Theyre an upgrade over basically every other two-color tapped land, are fetchable, and in the case of the enemy color ones in particular, offer a much-needed second fetchable target after Shocklands
the total lock means you've checked their hands for answers) with the deck, my opponent would never concede
The sacrifice deck appears to not be red, but there are plenty of spells and abilities that can sacrifice the creature you steal with this card, making it a potentially very powerful spell