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

Invasion was released in October 2000 and contains 354 cards. It is the lead set of the Invasion block, followed by Planeshift and Apocalypse.

What is the kicker mechanic introduced in Invasion?

Kicker is an optional additional cost you can pay when casting a spell. If you pay the kicker cost, the spell gains an extra effect — more damage, additional tokens, or an entirely second ability. It makes a single card useful in the early game (cast it cheap) and the late game (kick it for full value). Kicker has since returned in several sets, most notably in the Zendikar block series.

What is the domain mechanic in Invasion?

Domain is a mechanic where a card's effect scales based on how many different basic land types you control — Forest, Island, Swamp, Mountain, and Plains each count once, for a maximum of five. The more colours you commit to in your mana base, the more powerful your domain spells become. Notably, domain counts basic land types, not just basic lands, so dual lands with basic subtypes contribute to the count.

What story does the Invasion set tell?

Invasion depicts the full-scale Phyrexian Invasion of Dominaria — the climactic moment of the Weatherlight Saga, a story arc that ran across Magic sets from 1996 to 2001. It's where Yawgmoth's Phyrexian forces finally arrive on Dominaria in overwhelming numbers, forcing all of the plane's factions to unite against a common enemy. The companion novel, also called Invasion, was written by J. Robert King and published simultaneously with the set.

Is Invasion's domain the same as the domain mechanic in later sets?

Yes — domain in Invasion works on the same principle as domain in later printings: count the number of different basic land types among your lands, up to a maximum of five. The mechanic has been revisited in subsequent sets, always using the same core rule. If you've played with domain cards from any era, the interaction works identically.

How does Invasion draft play out?

Invasion draft pushes you toward ambitious, multi-colour decks. Because the set's most powerful cards are gold (multicoloured), and because domain rewards controlling multiple land types, the natural incentive is to draft three or even four colours. This makes mana fixing — cards that fetch or smooth out your lands — unusually valuable. The format plays at a moderate pace, rewarding midrange and value-oriented strategies over pure aggression.

Invasion (INV): MTG Set Guide

Some Magic sets introduce a new mechanic. Some shake up a format. Invasion - released in October 2000 - did something rarer: it brought a thirty-set story arc to a head, rewrote how we think about multicolour card design, and permanently expanded what Magic's colour system could do. This is the set where Phyrexia finally arrived on Dominaria in force, and the game's design followed the lore all the way down.

What is Invasion?

Invasion (set code: INV) is a large set of 354 cards, released in October 2000 as part of Wizards of the Coast's annual autumn release cycle. It is the lead set of the Invasion block, which also includes Planeshift and Apocalypse.

More than a set, Invasion is the culmination of the Weatherlight Saga - an ambitious, years-long narrative running through sets from Mirage (1996) all the way to this moment. Every story thread from Weatherlight, Tempest, Stronghold, Exodus, Urza's Saga, Urza's Legacy, Urza's Destiny, Mercadian Masques, Nemesis, and Prophecy pointed here: the full-scale Phyrexian Invasion of Dominaria.

The set's mechanical identity follows directly from that premise. When every faction on the plane is forced to unite against a single overwhelming enemy, colour boundaries break down - and Invasion's card design reflects that beautifully.

Themes and mechanics

Multicolour, everywhere

Invasion is one of the most aggressively multicolour sets ever printed. The design philosophy is straightforward: a world at war requires alliances between factions that would never normally cooperate, and that means cards that ask you to combine colours in ways Magic hadn't leaned into this heavily before. Gold cards - multicoloured cards with a distinctive gold frame - appear throughout every rarity, in every colour combination.

This wasn't just a flavour choice. It pushed deckbuilding in a direction that has shaped Magic ever since. If you've ever built a five-colour Commander deck and taken it for granted that the tools exist to support that, Invasion is part of why.

Domain

One of Invasion's signature mechanics is domain - a cycle of effects that scale based on how many different basic land types you control. Forests, Islands, Swamps, Mountains, and Plains each count once, so domain rewards you for playing across as many colours as possible. At its peak (all five land types), a domain card reaches its full power; with fewer, it scales down gracefully.

Domain is an elegant design because it makes your mana base itself a resource beyond just producing mana. The more colours you commit to, the more powerful your domain spells become.

Rules note: Domain counts basic land types, not basic lands themselves. A dual land with the Forest and Island subtypes - like a Breeding Pool - contributes two different land types to your domain count.

Kicker

Perhaps Invasion's most enduring mechanical contribution is kicker. A spell with kicker has an optional additional cost you can pay when casting it. If you pay the kicker cost, the spell does something more - hits harder, draws extra cards, generates additional tokens, or has a whole second effect tacked on.

Kicker is brilliant because it makes the same card useful at different points in the game. Early, you cast the base version for efficiency. Late, when you have mana to spare, you kick it for maximum impact. It's been revisited in Zendikar (2009), Battle for Zendikar (2015), and Zendikar Rising (2020), and remains one of the most beloved mechanics in the game's history.

Format check: Kicker has appeared in enough sets across enough years that you've almost certainly played with it, even if you didn't know it by name.

Other returning mechanics

Invasion also works with flanking and phasing, two older mechanics that tie back to Dominaria's history. Their presence here is partly a nod to continuity - this is Dominaria's story, after all - and partly a reminder that the plane's defenders bring everything they have to this fight.

Limited and Draft

Invasion draft is, by most accounts, a format that rewards ambitious mana bases. Because the best cards in the set are gold, and because domain explicitly rewards playing multiple land types, the natural pressure is toward three- and four-colour decks - something fairly unusual for Limited at the time.

This makes mana fixing unusually important. Cards that fetch basic lands or smooth out your colours carry more value than they might in a more conventional set. Draft picks that look unremarkable in a mono-colour context become first picks when you know you're planning to cast gold cards across three colours.

The format tends to play out at a moderate pace - not as aggressive as some sets, but not the slow grind of a pure control environment either. Domain rewards going wide on colours, and kicker rewards going long on mana, which together push toward midrange and value-oriented strategies.

Lore and setting

Invasion takes place on Dominaria, Magic's primary plane and the setting for the vast majority of the game's early story. The set depicts the opening and escalating phase of the Phyrexian Invasion of Dominaria - the moment Yawgmoth's forces, having spent years preparing across multiple sets, finally arrive in overwhelming numbers.

The Weatherlight Saga - the story that ran from 1997's Weatherlight set through to this block - built toward this moment across dozens of cards, novels, comic books, and web serials. Invasion is where that long build pays off. Familiar faces from years of storytelling appear throughout the set's card art and flavour text, fighting (and sometimes dying) for Dominaria's survival.

The companion novel, also titled Invasion, is the first book of the Invasion Cycle - a four-novel series that tells the full story of the war. It was written by J. Robert King and published in October 2000, simultaneous with the set's release. The story continues through Planeshift and concludes with Apocalypse.

Lore aside: The Phyrexian Invasion of Dominaria is not to be confused with New Phyrexia's Invasion of the Multiverse depicted in the 2023 March of the Machine set. Both are Phyrexian invasions, but separated by decades of in-universe time and an entirely different cast of characters.

Notable cards and impact

Invasion arrived at a genuinely wild moment in Magic's competitive history. The Standard format of 2000-2001 was already contending with the aftermath of Urza's block - widely considered the most broken Standard environment ever - and Invasion's multicolour focus introduced a wave of powerful gold cards into that context.

The set contains 25 cycles of cards - an extraordinary number that reflects just how deliberately structured the set's design is. Cycles built around the allied and enemy colour pairs, domain scaling at different rarities, and kicker appearing across colours all give the set an internal coherence that rewards study.

I'd rather not single out individual cards here without confirmed data on exactly which ones dominated which formats - that's the kind of claim that deserves precision - but Invasion's contribution to competitive Magic was substantial, and its fingerprints on the multicolour strategies that followed are unmistakable.

Set legacy

Invasion is remembered for at least three things that outlasted its Standard legality.

First, kicker. The mechanic has returned multiple times and is now considered a fundamental part of Magic's design vocabulary. Every time a Zendikar set releases and kicker cards appear in the spoiler, that's Invasion's legacy.

Second, domain. Scaling effects based on land types have influenced design thinking ever since, and the basic land type system itself - which determines how domain counts - became increasingly important as dual lands with basic land subtypes proliferated in later sets.

Third, and maybe most importantly, the precedent for narrative payoff. Invasion proved that a multi-year story arc could drive card design in meaningful ways, and that players would engage deeply with a set when they felt the lore stakes were real. That lesson shaped how Wizards approached story sets for years afterward - and while the Weatherlight Saga's specific model hasn't been repeated, its ambition echoes in every story-driven block since.

Invasion is the set that ended an era. The Weatherlight Saga, Dominaria's long defence, the slow build toward Phyrexia - it all converged here. That alone would make it historically significant. That it also introduced kicker makes it essential.