Oath of the Gatewatch

Casting Cost:

Devoid (This card has no color.)

: Exile another target creature, then return it to the battlefield tapped under its owner's control. ( represents colorless mana.)

Hissing Quagmire enters the battlefield tapped.

: Add  or  to your mana pool.

: Hissing Quagmire becomes a 2/2 black and green Elemental creature with deathtouch until end of turn. It's still a land.

Casting Cost:

Lifelink

If a nontoken creature an opponent controls would die, instead exile that card and put a 2/2 black Zombie creature token onto the battlefield.

, Sacrifice another Vampire or Zombie: Put two +1/+1 counters on Kalitas, Traitor of Ghet.

Casting Cost:

Devoid (This card has no color.)

Kozilek's Return deals 2 damage to each creature.

Whenever you cast an Eldrazi creature spell with converted mana cost 7 or greater, you may exile Kozilek's Return from your graveyard. If you do, Kozilek's Return deals 5 damage to each creature.

Casting Cost:

When you cast Kozilek, the Great Distortion, if you have fewer than seven cards in hand, draw cards equal to the difference.

Menace

Discard a card with converted mana cost X: Counter target spell with converted mana cost X.

Casting Cost:

+1: Put a 0/1 green Plant creature token onto the battlefield.

-2: Put a +1/+1 counter on each creature you control.

-7: You gain X life and draw X cards, where X is the number of lands you control.

Casting Cost:

When Oath of Nissa enters the battlefield, look at the top three cards of your library. You may reveal a creature, land, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

You may spend mana as though it were mana of any color to cast planeswalker spells.

Casting Cost:

( represents colorless mana.)

Trample, haste

Whenever Reality Smasher becomes the target of a spell an opponent controls, counter that spell unless its controller discards a card.

Casting Cost:

( represents colorless mana.)

When Thought-Knot Seer enters the battlefield, target opponent reveals his or her hand. You choose a nonland card from it and exile that card.

When Thought-Knot Seer leaves the battlefield, target opponent draws a card.

Casting Cost:

Devoid (This card has no color.)

When you cast World Breaker, exile target artifact, enchantment, or land.

Reach

, Sacrifice a land: Return World Breaker from your graveyard to your hand. (Colorless represents colorless mana.)