As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost {1} less to cast.

Spells cost {1} less to cast.

As Herald's Horn enters the battlefield, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

Players can't activate planeswalkers' loyalty abilities. At the beginning of your draw step, draw an additional card. Spells you cast cost {1} less to cast. Creatures you control get +1/+1.

When you cast this spell, you may return target creature card from your graveyard to the battlefield. Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

Whenever Bane of Bala Ged attacks, defending player exiles two permanents they control.

When you cast this spell, you may put two cards your opponents own from exile into their owners' graveyards. If you do, create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add {C}."

All creatures able to block Breaker of Armies do so.

When you cast this spell, you may search your library for a colorless creature card with mana value 7 or greater, reveal it, then shuffle and put that card on top. The first creature spell you cast each turn costs {2} less to cast.

({C} represents colorless mana.) At the beginning of combat on your turn, reveal the top card of your library. If a creature card is revealed this way, you may have creatures you control other than Deceiver of Form become copies of that card until end of turn. You may put that card on the bottom of your library.

Emerge {6}{G}{G}{G} (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

When you cast this spell, create a 10/10 colorless Eldrazi creature token.

Flash (You may cast this spell any time you could cast an instant.) Emerge {7}{U} (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.

Flash Emerge {5}{U}{U} (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.

Trample

Whenever another colorless creature enters the battlefield under your control, you may change Eldrazi Mimic's base power and toughness to that creature's power and toughness until end of turn.

This spell costs {1} 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

Untap Endbringer during each other player's untap step. {T}: Endbringer deals 1 damage to any target. {C}, {T}: Target creature can't attack or block this turn. {C}{C}, {T}: Draw a card.

Endless One enters the battlefield with X +1/+1 counters on it.

Devoid (This card has no color.) When Eyeless Watcher enters the battlefield, create two 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add {C}."

Creature spells you cast with power 4 or greater cost {2} less to cast. Whenever Goreclaw, Terror of Qal Sisma attacks, each creature you control with power 4 or greater gets +1/+1 and gains trample until end of turn.

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.)

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.) Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.

{T}: Add {C}{C}.

{C}: Target creature can't block Kozilek's Pathfinder this turn. ({C} represents colorless mana.)

When Kozilek's Predator enters the battlefield, create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add {C}."

When you cast this spell, draw four cards. Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.) When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

When you cast this spell, if you have fewer than seven cards in hand, draw cards equal to the difference. Menace Discard a card with mana value X: Counter target spell with mana value X.

Creature spells you cast with mana value 6 or greater cost {2} less to cast.

Indestructible As long as your devotion to green and blue is less than seven, Kruphix isn't a creature. You have no maximum hand size. If you would lose unspent mana, that mana becomes colorless instead.

Emerge {5}{G}{U} (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.

Emerge {7}{G} (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 destroy target artifact or enchantment.

When Nest Invader enters the battlefield, create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

Indestructible As long as your devotion to green is less than five, Nylea isn't a creature. Creature spells you cast cost {1} less to cast. {2}{G}: Reveal the top card of your library. If it's a creature card, put it into your hand. Otherwise, you may put it into your graveyard.

When you cast this spell, target opponent exiles the top four cards of their library, then you may put any number of land cards that player owns from exile onto the battlefield under your control.

Annihilator 3 (Whenever this creature attacks, defending player sacrifices three permanents.) Pathrazer of Ulamog can't be blocked except by three or more creatures.

({C} 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.

When you cast this spell, you may put a card an opponent owns from exile into that player's graveyard. If you do, you gain 5 life.

Untap all permanents you control during each other player's untap step.

Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent.) {4}: Create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add {C}." {20}: Cast any number of Eldrazi spells from among cards you own outside the game without paying their mana costs.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.) Ulamog's Crusher attacks each combat if able.

As Ulamog's Despoiler enters the battlefield, you may put two cards your opponents own from exile into their owners' graveyards. If you do, Ulamog's Despoiler enters the battlefield with four +1/+1 counters on it.

When you cast this spell, exile two target permanents. Indestructible Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.

When you cast this spell, destroy target permanent. Indestructible Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.) When Ulamog, the Infinite Gyre is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

Devoid (This card has no color.) {1}{G}, Put a card an opponent owns from exile into that player's graveyard: Create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

Your opponents can't cast spells with even mana values. (Zero is even.) Your opponents can't block with creatures with even mana values.

Vigilance {T}: Add {C}. ({C} represents colorless mana.)

At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

Enchant creature Enchanted creature gets +10/+10 and has trample and annihilator 2. (Whenever it attacks, defending player sacrifices two permanents.)

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

{T}: Add {C}. {T}: Add {C}{C}. Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi.

Colorless Eldrazi spells you cast cost {2} less to cast. {7}, {T}: Search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

({T}: Add {G}.)

({T}: Add {U}.)

Each player sacrifices all permanents they control that are one or more colors.

Devoid (This card has no color.) Create two 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add {C}."