Emrakul, the Aeons Torn can't be countered.
When you cast Emrakul, take an extra turn after this one.
Flying, protection from colored spells, annihilator 6
When Emrakul is put into a graveyard from anywhere, its owner shuffles his or her graveyard into his or her library.

, Sacrifice Lotus Petal: Add one mana of any color to your mana pool.

: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

Each player may put an artifact, creature, enchantment, or land card from his or her hand onto the battlefield.

Look at the top three cards of your library, then put them back in any order. You may shuffle your library.
Draw a card.

, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card and put it onto the battlefield. Then shuffle your library.

You may pay 1 life and exile a blue card from your hand rather than pay Force of Will's mana cost.
Counter target spell.

Draw three cards, then put two cards from your hand on top of your library in any order.

Flying, lifelink
Pay 7 life : Draw seven cards.

You may exile a blue card from your hand rather than pay Misdirection's mana cost.
Change the target of target spell with a single target.

Counter target noncreature spell unless its controller pays .

: Add to your mana pool. Ancient Tomb deals 2 damage to you.

Search your library for any three cards and reveal them. Target opponent chooses one. Put that card into your hand and the rest into your graveyard. Then shuffle your library.

When you play another land, sacrifice City of Traitors.
: Add to your mana pool.

, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card and put it onto the battlefield. Then shuffle your library.

, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card and put it onto the battlefield. Then shuffle your library.

Scry 2, then draw a card.

If Leyline of the Void is in your opening hand, you may begin the game with it on the battlefield.
If a card would be put into an opponent's graveyard from anywhere, exile it instead.

If Leyline of Sanctity is in your opening hand, you may begin the game with it on the battlefield.
You have hexproof.

Counter target instant or sorcery spell unless its controller pays .
Storm

Choose one - Counter target spell if it's blue; or destroy target permanent if it's blue.

Choose one - Counter target blue spell; or destroy target blue permanent.

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.