Foundations

Billowing Shriekmass | Creature | Spirit | Flying When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.) Threshold — This creature gets +2/+1 as long as there are seven or more cards in your graveyard. | Brent Hollowell

Crypt Feaster | Creature | Zombie | Menace (This creature can't be blocked except by two or more creatures.) Threshold — Whenever this creature attacks, if there are seven or more cards in your graveyard, this creature gets +2/+0 until end of turn. | John Di Giovanni

Revenge of the Rats | Sorcery | | Create a tapped 1/1 black Rat creature token for each creature card in your graveyard. Flashback {2}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.) | Filipe Pagliuso

Soul-Shackled Zombie | Creature | Zombie | When this creature enters, exile up to two target cards from a single graveyard. If at least one creature card was exiled this way, each opponent loses 2 life and you gain 2 life. | Diana Franco

Bake into a Pie | Instant | | Destroy target creature. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") | Zoltan Boros

Zombify | Sorcery | | Return target creature card from your graveyard to the battlefield. | Jason A. Engle

Elenda, Saint of Dusk | Legendary Creature | Vampire Knight | Lifelink, hexproof from instants As long as your life total is greater than your starting life total, Elenda gets +1/+1 and has menace. Elenda gets an additional +5/+5 as long as your life total is at least 10 greater than your starting life total. | Chris Rahn

Fiendish Panda | Creature | Bear Demon | Whenever you gain life, put a +1/+1 counter on this creature. When this creature dies, return another target non-Bear creature card with mana value less than or equal to this creature's power from your graveyard to the battlefield. | Brian Valeza

Wardens of the Cycle | Creature | Elf Warlock | Morbid — At the beginning of your end step, if a creature died this turn, choose one — • You gain 2 life. • You draw a card and you lose 1 life. | Caroline Gariba

Lathril, Blade of the Elves | Legendary Creature | Elf Noble | Menace Whenever Lathril, Blade of the Elves deals combat damage to a player, create that many 1/1 green Elf Warrior creature tokens. {T}, Tap ten untapped Elves you control: Each opponent loses 10 life and you gain 10 life. | Caroline Gariba