All are fine picks for a vampire deck, but Ive actually lost to the Drana, Liberator of Malakir and Drana, Kalastria Bloodchief in Commander games, so thats how you decide how to prioritize these
Notably, this is also the only card maker on the list that allows you to make custom cards for other card games, which could be fun depending on your interests
Giving a land extra basic land types doesn't change its name or whether it's legendary or basic
Scythecat Cub Fun landfall times await with this two-drop on curve 2/2 Bear and cost in rare and Green with trample
Green tends to have plenty of ways to recover life, so paying 4 life to keep a card every now and then isnt bad at all
Take what you need To get the right Goblins in the deck, Goblin Recruiter and Boggart Harbinger are of solid use