# 2023 Magic: The Gathering March of the Machine Promos #61s

> The 2023 March of the Machine Promos foil card Invasion of Arcavios // Invocation of the Founders (Card 61s) is a transformative Siege piece for Magic: The Gathering collectors.

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## Identity

- **Year**: 2023
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: March of the Machine Promos
- **Card number**: #61s
- **Product type**: TCG_CARD

## Description

Released in 2023 as part of the March of the Machine Promos set, this Magic: The Gathering card features the dual-faced Battle — Siege subject Invasion of Arcavios // Invocation of the Founders. Identified by card number 61s, this foil variant offers a distinct visual finish that appeals to collectors seeking aesthetic depth alongside gameplay utility. The card functions as a Siege that enters the battlefield with a chosen opponent as its target, creating an interactive dynamic during matches. Its secondary ability, Invocation of the Founders, allows the controller to search their library, graveyard, or outside the game for an instant or sorcery card, providing significant strategic flexibility. Collectors of the March of the Machine Promos series often seek this card number to complete their set, as it represents a pivotal moment in the expansion's narrative. The foil treatment enhances its presence on the collection shelf, making it a desirable addition for those who appreciate both the mechanical design and the visual presentation of the card. Understanding the rules text and the card's role in the Siege mechanic is essential for appreciating its place within the broader Magic: The Gathering ecosystem. This product serves as a tangible link to the 2023 release, capturing the essence of the Invasion of Arcavios storyline through its unique transform mechanic.

## FAQ

### What does the card Invasion of Arcavios // Invocation of the Founders do?

As a Siege, it enters by choosing an opponent to protect it, which can then be attacked. When defeated, it exiles itself and allows you to cast its second face, Invocation of the Founders, from exile.

### Is this card part of a specific Magic: The Gathering set?

Yes, this card is from the March of the Machine Promos set, released in 2023. It is designated by the set code PMOM and has the card number 61s.

### What is the mana cost for this Siege card?

The mana cost for Invasion of Arcavios is three generic mana and two blue mana, totaling a mana value of five.

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Last verified: 2025-11-29.