Mockery of Nature

Abundant Maw

Creature — Eldrazi Leech (6/4)

Emerge (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.

Distended Mindbender

Creature — Eldrazi Insect (5/5)

Emerge (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 reveals their hand. You choose from it a nonland card with mana value 3 or less and a card with mana value 4 or greater. That player discards those cards.

Elder Deep-Fiend

Creature — Eldrazi Octopus (5/6)

Flash
Emerge (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, tap up to four target permanents.

Lashweed Lurker

Creature — Eldrazi Horror (5/4)

Emerge (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.

Vexing Scuttler

Creature — Eldrazi Crab (4/5)

Emerge (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.

Decimator of the Provinces

Creature — Eldrazi Boar (7/7)

Emerge (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, creatures you control get +2/+2 and gain trample until end of turn.
Trample, haste

It of the Horrid Swarm

Creature — Eldrazi Insect (4/4)

Emerge (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, create two 1/1 green Insect creature tokens.

Wretched Gryff

Creature — Eldrazi Hippogriff (3/4)

Emerge (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, draw a card.
Flying

Bruna, the Fading Light

Legendary Creature — Angel Horror (5/7)

When you cast this spell, you may return target Angel or Human creature card from your graveyard to the battlefield.
Flying, vigilance
(Melds with Gisela, the Broken Blade.)

Drownyard Behemoth

Creature — Eldrazi Crab (5/7)

Flash (You may cast this spell any time you could cast an instant.)
Emerge (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.

Brisela, Voice of Nightmares

Legendary Creature — Eldrazi Angel (9/10)

Flying, first strike, vigilance, lifelink
Your opponents can't cast spells with mana value 3 or less.

Chittering Host

Creature — Eldrazi Horror (5/6)

Haste
Menace (This creature can't be blocked except by two or more creatures.)
When Chittering Host enters the battlefield, other creatures you control get +1/+0 and gain menace until end of turn.

Emrakul, the Promised End

Legendary Creature — Eldrazi (13/13)

This spell costs less to cast for each card type among cards in your graveyard.
When you cast this spell, you gain control of target opponent during that player's next turn. After that turn, that player takes an extra turn.
Flying, trample, protection from instants

Bedlam Reveler

Creature — Devil Horror (3/4)

This spell costs less to cast for each instant and sorcery card in your graveyard.
Prowess
When Bedlam Reveler enters the battlefield, discard your hand, then draw three cards.

Dusk Feaster

Creature — Vampire (4/5)

Delirium — This spell costs less to cast if there are four or more card types among cards in your graveyard.
Flying

Eternal Scourge

Creature — Eldrazi Horror (3/3)

You may cast Eternal Scourge from exile.
When Eternal Scourge becomes the target of a spell or ability an opponent controls, exile Eternal Scourge.

Geist-Fueled Scarecrow

Artifact Creature — Scarecrow (4/4)

Creature spells you cast cost more to cast.

Cryptolith Fragment // Aurora of Emrakul

Artifact // Creature — Eldrazi Reflection (0/0)

Cryptolith Fragment enters the battlefield tapped.
: Add one mana of any color. Each player loses 1 life.
At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.

Aurora of Emrakul

Flying, deathtouch
Whenever Aurora of Emrakul attacks, each opponent loses 3 life.

Hanweir, the Writhing Township

Legendary Creature — Eldrazi Ooze (7/4)

Trample, haste
Whenever Hanweir, the Writhing Township attacks, create two 3/2 colorless Eldrazi Horror creature tokens that are tapped and attacking.

Field Creeper

Artifact Creature — Scarecrow (2/1)