The Ravnica block is the 11th Magic: The Gathering block, comprising of the large expansion Ravnica: City of Guilds () and the two small expansions Guildpact () and Dissension (). The block was released in 2005–2006.
The development codenames for Ravnica block expansions are "Control", "Alt", and "Delete".
Themes and mechanics
Thematically, the Ravnica block was multicolor-centered and, thus, was the spiritual successor to the Invasion block of 2000–2001. The Ravnica block was the first block to introduce the "guild model", wherein a number of guilds, each of which with its own cards and abilities and/or keywords, would be as introduced in an expansion and be as developed and complex as they would be (until returning to the plane with Return to Ravnica block), rather than the traditional model of expansions, wherein abilities and/or keywords would be introduced in the first of usually three expansions and then progressively increase in complexity throughout the block. Four guilds (Boros, Dimir, Golgari, Selesnya) were introduced in City of Guilds, three more (Gruul, Izzet, Orzhov) were introduced in Guildpact, and the final three (Azorius, Rakdos, Simic) debuted in Dissension.
In addition to these 10 keywords, the Ravnica block was the first block to feature hybrid mana costs and hybrid cards. Each of Ravnica's 10 guilds featured three hybrid cards, one at each level of rarity as of then; common, uncommon, and rare.
Ravnica block features 11 10-card guild mega cycles, with one card per guild, and one 20-card guild mega cycle (the "imbalanced gold card" cycle) distributed across Ravnica: City of Guilds, Guildpact, and Dissension.
|Off-color activated permanents||Soulsworn Jury||Tattered Drake||Nettling Curse||Ghor-Clan Bloodscale||Transluminant||Shadow Lance||Torch Drake||Mortipede||Ordruun Commando||Simic Ragworm|
|Ocular Halo||Roofstalker Wight||Kill-Suit Cultist||Gruul Nodorog||Votary of the Conclave||Ostiary Thrull||Hypervolt Grasp||Elves of Deep Shadow||Screeching Griffin||Silkwing Scout|
|Each of these monocolored permanents has an activated ability that use their guild's other mana symbol. Elves of Deep Shadow is the only spell of this cycle that doesn't have mana as an activation cost.|
|Allied boosting spells||Azorius Herald||Induce Paranoia||Crypt Champion||Tin Street Hooligan||Dryad's Caress||Shrieking Grotesque||Steamcore Weird||Vigor Mortis||Flash Conscription||Patagia Viper|
|Court Hussar||Ribbons of Night||Squealing Devil||Gruul Scrapper||Seed Spark||Revenant Patriarch||Ogre Savant||Rolling Spoil||Boros Fury-Shield||Plaxmanta|
|Each of these mono-colored spells does something extra if you use its guild's other color to pay its mana costs. Those in Ravnica are spells with additional effects, those in Guildpact are creatures that gain enter-the-battlefield abilities, and those in Dissension are creatures with enter-the-battlefield abilities that are sacrificed unless paid for with the other color.|
|Common Hybrid Spells||Minister of Impediments||Lurking Informant||Riot Spikes||Wild Cantor||Centaur Safeguard||Mourning Thrull||Petrahydrox||Gaze of the Gorgon||Boros Recruit||Shielding Plax|
|Each of these common spells has exactly one hybrid mana in its mana cost.|
|Guildmages||Azorius Guildmage||Dimir Guildmage||Rakdos Guildmage||Gruul Guildmage||Selesnya Guildmage||Orzhov Guildmage||Izzet Guildmage||Golgari Guildmage||Boros Guildmage||Simic Guildmage|
|Each of these uncommon 2/2 creatures costs two hybrid mana of its guild's colors and each has two abilities, each of which requires mana of one of the guild's colors. They form vertical cycle with common and rare hybrid spells.|
|Rare Hybrid Spells||Dovescape||Shadow of Doubt||Avatar of Discord||Giant Solifuge||Privileged Position||Debtors' Knell||Djinn Illuminatus||Gleancrawler||Master Warcraft||Biomantic Mastery|
|Each of these rare spells has at least two hybrid mana in its mana cost.|
|Common Gold Keyword Cards||Plumes of Peace||Perplex (or Dimir Infiltrator)||Gobhobbler Rats||Scab-Clan Mauler (or Burning-Tree Bloodscale)||Guardian of Vitu-Ghazi||Blind Hunter||Leap of Flame||Shambling Shell||Rally the Righteous||Vigean Hydropon|
|Each of these common gold cards uses the guild's ability. Dimir and Gruul have two such cards.|
|Unbalanced Gold Cards||Azorius Ploy||Clutch of the Undercity||Anthem of Rakdos||Skarrgan Skybreaker||Congregation at Dawn||Souls of the Faultless||Goblin Flectomancer||Drooling Groodion (or Woodwraith Corrupter)||Flame-Kin Zealot||Omnibian|
|Swift Silence||Mindleech Mass||Rakdos Augermage||Rumbling Slum||Phytohydra||Culling Sun||Invoke the Firemind||Grave-Shell Scarab||Firemane Angel||Voidslime|
|Each of these cards are one of 2 gold cards for every guild (Golgari has 3 cards) that have 2 of one color and only 1 of the other, with rarity varying.|
|Guild Champions||Isperia the Inscrutable||Circu, Dimir Lobotomist||Lyzolda, the Blood Witch||Ulasht, the Hate Seed||Tolsimir Wolfblood||Teysa, Orzhov Scion||Tibor and Lumia||Savra, Queen of the Golgari||Agrus Kos, Wojek Veteran||Experiment Kraj|
|Each of these legendary multicolor creatures rewarded players for playing with cards of their two colors, often doubly so for using multicolor cards. Isperia and Kraj are different, but this is clearly the result of their effects and cost having been swapped with those of their respective guildmaster at some point.|
|Guildmasters||Grand Arbiter Augustin IV||Szadek, Lord of Secrets||Rakdos the Defiler||Borborygmos||Chorus of the Conclave||Ghost Council of Orzhova||Niv-Mizzet, the Firemind||Sisters of Stone Death||Razia, Boros Archangel||Momir Vig, Simic Visionary|
|These legendary multicolor creatures, almost all of which cost a certain amount of colorless mana plus two mana each of their respective colors, produced powerful effects thematically tied to their respective colors.|
|Signets||Azorius Signet||Dimir Signet||Rakdos Signet||Gruul Signet||Selesnya Signet||Orzhov Signet||Izzet Signet||Golgari Signet||Boros Signet||Simic Signet|
|Each of these common artifacts has ", : Add (one mana each of the respective guild's color)."|
|Guild Artifacts||Walking Archive||Bloodletter Quill||Rakdos Riteknife||Gruul War Plow||Crown of Convergence||Moratorium Stone||Mizzium Transreliquat||Plague Boiler||Sunforger||Evolution Vat|
|Each of these rare artifacts have an activated ability costing both of its guild color.|
|Bounce lands||Azorius Chancery||Dimir Aqueduct||Rakdos Carnarium||Gruul Turf||Selesnya Sanctuary||Orzhov Basilica||Izzet Boilerworks||Golgari Rot Farm||Boros Garrison||Simic Growth Chamber|
|When each of these common nonbasic dual lands enters the battlefield tapped, its controller returns a land they control to its owner's hand. Each of these lands can tap to produce two mana, one of each of the its associate guild's colors. Each card's artwork was illustrated by John Avon.|
|Guildhalls||Prahv, Spires of Order||Duskmantle, House of Shadow||Rix Maadi, Dungeon Palace||Skarrg, the Rage Pits||Vitu-Ghazi, the City-Tree||Orzhova, the Church of Deals||Nivix, Aerie of the Firemind||Svogthos, the Restless Tomb||Sunhome, Fortress of the Legion||Novijen, Heart of Progress|
|Each of these uncommon nonbasic dual lands taps for and has an activated ability costing mana of the associated guild's colors for a thematically related effect. Each card (all illustrated by Martina Pilcerova) represents the associated guild's headquarters within Ravnica.|
|Shock lands||Hallowed Fountain||Watery Grave||Blood Crypt||Stomping Ground||Temple Garden||Godless Shrine||Steam Vents||Overgrown Tomb||Sacred Foundry||Breeding Pool|
|Each of these rare nonbasic dual lands has two basic land types and enter the battlefield tapped unless its controller pays 2 life. Each card's artwork was illustrated by Rob Alexander.|
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