
Dusk Feaster | Creature | Vampire | Delirium — This spell costs {2} less to cast if there are four or more card types among cards in your graveyard.
Flying | Anastasia Ovchinnikova

Spreading Flames | Instant | | Spreading Flames deals 6 damage divided as you choose among any number of target creatures. | Chase Stone

Abundant Maw | Creature | Eldrazi Leech | Emerge {6}{B} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, target opponent loses 3 life and you gain 3 life. | Greg Staples

Drownyard Behemoth | Creature | Eldrazi Crab | Flash (You may cast this spell any time you could cast an instant.)
Emerge {7}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
Drownyard Behemoth has hexproof as long as it entered the battlefield this turn. | Jason Kang

Lashweed Lurker | Creature | Eldrazi Horror | Emerge {5}{G}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, you may put target nonland permanent on top of its owner's library. | Igor Kieryluk

Mockery of Nature | Creature | Eldrazi Beast | Emerge {7}{G} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, you may destroy target artifact or enchantment. | James Ryman

Vexing Scuttler | Creature | Eldrazi Crab | Emerge {6}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, you may return target instant or sorcery card from your graveyard to your hand. | James Paick