When was Guildpact released and how many cards does it have?

Guildpact was released on February 3, 2006. It contains 165 cards and carries the set code GPT. It is the second set in the original Ravnica block, following Ravnica: City of Guilds and preceding Dissension.

Which guilds are in Guildpact?

Guildpact focuses on three of Ravnica's ten guilds: the Izzet League (blue-red), the Gruul Clans (red-green), and the Orzhov Syndicate (white-black). Each guild has its own keyword mechanic — replicate for Izzet, bloodthirst for Gruul, and haunt for Orzhov.

How does the replicate mechanic work in Guildpact?

Replicate lets you copy an Instant or Sorcery spell by paying its replicate cost one or more times when you cast it. Each payment creates an additional copy of the spell on the stack. You can choose new targets for each copy. The copies are placed directly on the stack rather than cast, so they can't be countered by effects that trigger 'when a spell is cast.'

What is the Guildpact spell in the lore?

The Guildpact is an ancient magical binding forged roughly ten thousand years before the events of the Ravnica block. It compels Ravnica's ten guilds to coexist and maintains the plane's social order. The spell would eventually be broken, leading to the power being embodied first in Jace Beleren as the Living Guildpact, and later in Niv-Mizzet himself.

Has bloodthirst from Guildpact ever been reprinted?

Yes. Bloodthirst returned in Magic 2012 (M12), making it one of the few guild-specific mechanics from the original Ravnica block to be reprinted as a standalone keyword. Haunt, by contrast, has never been brought back.

Guildpact (GPT): The MTG Set Guide

Q: Is Guildpact legal in Standard or Pioneer?

No. Guildpact is not legal in Standard or Pioneer. It is legal in Legacy, Vintage, and Commander.

Three guilds. One ancient pact. And a plane of Ravnica that was about to get a lot more complicated.

Guildpact is the second set in the original Ravnica block, released in February 2006. Where Ravnica: City of Guilds (RAV) introduced us to four of Ravnica's ten guilds, Guildpact turned the spotlight on three more - the Izzet, the Gruul, and the Orzhov - each with their own mechanical identity and their own piece of Ravnica's sprawling city-plane to call home. It's a small set by today's standards, at 165 cards, sitting between the large RAV and the block-closing Dissension (DIS).

Format check: Guildpact is not legal in Standard or Pioneer. It is legal in Legacy, Vintage, and Commander, and many of its cards remain popular in those eternal formats.

What is Guildpact?

Guildpact is a small expansion set released on February 3, 2006, as part of the original Ravnica block. It carries the set code GPT and contains 165 cards. Like all sets in the Ravnica block, it's built around the ten guilds that run the city-plane of Ravnica - two-colour factions, each defined by a distinct mechanical and philosophical identity.

The set's name refers to the ancient magical binding that has held Ravnica's guilds in an uneasy peace for ten thousand years. That spell - the Guildpact itself - is the legal and metaphysical backbone of the entire plane. Without it, the guilds would tear each other apart. With it, they merely scheme and bicker in slightly more structured ways.

Guildpact focuses on three of Ravnica's ten guilds:

Izzet League (blue-red) - mad scientists and mage-engineers obsessed with experimentation
Gruul Clans (red-green) - wild, broken warrior clans cast out from civilised Ravnica
Orzhov Syndicate (white-black) - a corrupt church-meets-crime-family that literally refuses to let its leaders die

Themes and mechanics

Every Ravnica set is mechanically anchored to its guilds, and Guildpact is no different. Each of the three guilds in the set gets its own keyword or mechanic.

Replicate (Izzet - {U}{R})

Replicate lets you copy an Instant or Sorcery spell by paying its replicate cost for each additional copy you want. You pay once to cast the spell, then pay the replicate cost one or more times - each payment puts a copy on the stack. It's the Izzet fantasy made mechanical: take a good idea and run it through the lab until you have seventeen of them.

Rules note: Copies made by replicate are placed directly on the stack, not cast, so they can't be targeted by effects that counter spells "when cast." You choose new targets for each copy, which opens up some genuinely fun flexibility.

Bloodthirst (Gruul - {R}{G})

Bloodthirst is a keyword that rewards you for having dealt damage to an opponent earlier in the turn. If a creature with bloodthirst enters the battlefield and your opponent was hit this turn, it enters with a number of +1/+1 counters specified on the card.

It's a clean, aggressive mechanic that rewards the Gruul playstyle: hit first, hit hard, and hit often. It also has excellent synergy with burn spells - you can use a direct damage spell in your first main phase to "turn on" bloodthirst before playing your creature.

Lore aside: Bloodthirst would go on to return in Magic 2012 (M12), which is relatively unusual for a guild-specific mechanic - a signal that it worked well as a standalone keyword beyond its Ravnica home.

Haunt (Orzhov - {W}{B})

Haunt is the Orzhov's mechanic, and it's exactly as unsettling as you'd expect from a guild that treats death as a promotion rather than a termination. When a card with haunt is put into the graveyard from the battlefield (for creatures) or resolves and goes to the graveyard (for spells), it haunts a target creature - meaning it's exiled and attached to that creature. When the haunted creature eventually dies, the haunt effect triggers again.

Haunt gives Orzhov cards two shots at their effect: once when they enter play or resolve, and again when the creature they're haunting finally bites the dust. It fits the Orzhov's lore perfectly - they don't just persist after death, they cling to others and keep extracting value from beyond the grave.

I'll be honest: haunt is widely considered one of the more awkward mechanics from this era. The timing on triggers, the exile zone bookkeeping, and the dependency on an opponent's creature dying all made it fiddly at the table. It has never been brought back, which probably tells you something.

Returning mechanics

Guildpact also features mechanics carried over from Ravnica: City of Guilds for flavour and consistency:

Radiance appears in a few cards, though it was never a returning staple
Dredge makes a small reappearance, continuing to quietly become one of the most powerful mechanics ever printed (more on that in a moment)
Transmute returns as a Dimir-flavoured tutor mechanic from the previous set, and a handful of Guildpact cards carry it

Limited and draft

Drafting Guildpact in isolation is fairly unusual today - most players who draft from this era do so in full Ravnica block draft, pulling from RAV, GPT, and DIS together. In that context, Guildpact packs slot in as the second pack.

In block draft, the Guildpact guilds each have a clear draft identity:

Izzet rewards spell-heavy decks that can chain instants and sorceries, using replicate to get extra value from key spells. It plays at instant speed and wants to control the early game before generating card advantage.
Gruul wants to curve out fast and ensure damage gets through before bloodthirst creatures arrive. It's among the most aggressive archetypes in the format and straightforward to draft.
Orzhov is the control-value guild, using haunt creatures to extract ongoing value while draining life totals. It's slower and more complex to pilot.

The format as a whole is generally considered slower than modern Limited formats, with more emphasis on guild synergies than raw card power. Knowing which guild signals are open in pack one of RAV matters a lot by the time Guildpact packs enter the draft.

Lore and setting

Ravnica is, at its core, a city that has swallowed an entire world. Every inch of the plane is urbanised - streets built on top of older streets, sky blocked by towers and bridges, nature surviving only in cracks and forgotten places. The ten guilds don't just run this city; they are the city's structure, each responsible for a different social function.

The Guildpact spell is what keeps all of this from collapsing into war. It was forged ten thousand years before the events of the original Ravnica block - an ancient magical binding that compels the guilds to coexist, at least in theory. The set's story revolves around threats to this balance, as the power behind the pact begins to fray.

The Izzet League, led by the ancient dragon Niv-Mizzet, are nominally in charge of civic works and research, but in practice spend their time on whatever strange experiments catch Niv-Mizzet's interest. He's genuinely one of the most intelligent beings in the Multiverse and he knows it, which makes him both magnificent and deeply dangerous.
The Gruul Clans are what happens when a guild loses its purpose. Originally tasked with maintaining wild spaces and nature, they were gradually stripped of their lands as the city expanded. By the time of Guildpact, they're fractured, furious, and living in the ruins at Ravnica's edges - fighting back against a civilisation that discarded them.
The Orzhov Syndicate is a church where the dead literally remain in power. The Obzedat - the Ghost Council - are the spirits of ancient Orzhov patriarchs who refused to move on and continue to run the organisation from beyond death. They're grotesque, fascinating, and one of Magic's best villain factions.

Lore aside: The Guildpact as a spell would eventually be broken during the events leading into the Return to Ravnica block (2012-2013), and its power was later embodied in a person: first Jace Beleren as the Living Guildpact, and eventually Niv-Mizzet himself. The cards Jace, the Living Guildpact and Niv-Mizzet, Guildpact both represent this lineage directly.

Notable cards and impact

Guildpact is remembered less for a single breakout card and more for a cluster of cards that quietly shaped formats for years.

Dredge cards from the Ravnica block, including those in Guildpact, helped establish the Dredge archetype in Legacy and Vintage as one of the most resilient graveyard strategies ever built. The mechanic rewards you for milling yourself and generates value from the graveyard in ways that pushed the rules of the game in fascinating and occasionally broken directions.

The Izzet, Gruul, and Orzhov guild lands from this set - the bouncelands (also called karoo lands) introduced in RAV and continued here - remain popular in Commander to this day. Getting two mana out of one land slot, at the cost of returning a land to your hand, is a simple and effective piece of mana fixing that casual and Commander players still reach for.

Several Guildpact cards have found homes in Commander specifically because of the guild identities they represent: Izzet spellslinger commanders, Gruul combat decks, and Orzhov aristocrat strategies all draw from this era's card pool.

Set legacy

Guildpact occupies a specific and somewhat modest place in Magic history. It's not the set that defined an era, and it doesn't have the iconic card density of sets like Mirrodin (MRD, 2003) or Lorwyn (LRW, 2007). But it's a genuinely excellent expression of what the Ravnica block was trying to do: give each two-colour pair a coherent identity, expressed through both flavour and mechanics.

The Izzet, Gruul, and Orzhov have all proven to be enduring parts of Magic's creative vocabulary. The Izzet in particular - chaotic, brilliant, obsessed with experimentation - have become one of the game's most beloved factions, reappearing in Return to Ravnica (RTR, 2012) and Guilds of Ravnica (GRN, 2018) with mechanics that built directly on this foundation.

Haunt is generally considered a design lesson rather than a triumph - it's complex in ways that don't pay off cleanly at the table, and it's never returned. Bloodthirst, on the other hand, is considered a clean success: simple, flavourful, and effective, which is why it got another run in M12.

For players who love Ravnica's lore and worldbuilding, Guildpact is essential reading - or essential playing, if you can get your hands on a draft set. It fills in three of the ten guilds that make this plane one of Magic's most beloved settings, and it does so with real care and character.