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

When Emrakul's Hatcher enters the battlefield, create three 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add ."

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.)

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.