Flying, deathtouch

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

Whenever Conduit of Emrakul attacks, add at the beginning of your next main phase this turn.

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

, Sacrifice Emrakul's Evangel and any number of other non-Eldrazi creatures: Create a 3/2 colorless Eldrazi Horror creature token for each creature sacrificed this way.

Whenever you cast an Eldrazi creature spell with mana value 7 or greater, draw two cards.

You may sacrifice four Eldrazi Spawn rather than pay this spell's mana cost.

Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent of their choice.)

Target opponent discards a card at random.

Delirium — If there are four or more card types among cards in your graveyard, that player discards two cards at random instead.