[+1]: Target player discards a card. [–2]: Search your library for a card, then shuffle and put that card on top. [–8]: Put all creature cards from all graveyards onto the battlefield under your control.
Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats. A deck can have any number of cards named Relentless Rats.
Put target creature card from a graveyard onto the battlefield under your control. That creature is a black Zombie in addition to its other colors and types.
"Death is no excuse for disobedience." —Liliana Vess
Play with the top card of your library revealed. As long as the top card of your library is black, Vampire Nocturnus and other Vampire creatures you control get +2/+1 and have flying.
Flying, trample At the beginning of your upkeep, sacrifice a creature other than Xathrid Demon, then each opponent loses life equal to the sacrificed creature's power. If you can't sacrifice a creature, tap Xathrid Demon and you lose 7 life.
"Phirax of Blood Ridge has sent a war giant at us? What, do I have to spell it out for you? Kill the giant, scoop out its skull, and drive it back to Blood Ridge. Honestly, what kind of necromancer minions are you?" —Keren-Dur, necromancer lord