# 2017 Magic: The Gathering Ixalan Promos #173s

> The 2017 Magic: The Gathering Ixalan Promos release includes Vance's Blasting Cannons // Spitfire Bastion (173s), a foil legendary enchantment with a transformative layout.

Canonical URL: https://supercatch.com/product/magic-the-gathering-ixalan-promos-vances-blasting-cannons-spitfire-bastion-173s-foil-promo

## Identity

- **Year**: 2017
- **Brand**: Magic: The Gathering
- **Set**: Ixalan Promos
- **Card Number**: 173s
- **Featured**: Vance's Blasting Cannons // Spitfire Bastion
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Mana cost**: {3}{R}
- **Type**: Legendary Enchantment
- **Color**: R
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

Vance's Blasting Cannons // Spitfire Bastion is a legendary enchantment from the 2017 Magic: The Gathering Ixalan Promos set, identified by the card number 173s. Printed with a foil finish, this promotional card features a unique layout that allows it to transform during gameplay. The card has a mana cost of {3}{R} and a mana value of 4, requiring a single red mana source to cast. As a red-colored card, it fits into decks seeking aggressive or mid-range strategies that leverage card advantage and board presence. The card’s rules text creates a dynamic gameplay loop. At the beginning of your upkeep, you exile the top card of your library. If that card is a nonland card, you may cast it that turn, providing potential card draw and tempo. The transformation mechanic triggers when you cast your third spell in a turn, allowing you to transform Vance's Blasting Cannons into Spitfire Bastion. This dual-faced design adds strategic depth, as the card’s utility shifts based on the spells cast during the turn. The flavor text references Captain Vance carving cliffs to form her home, grounding the card in the Ixalan setting’s adventurous themes. This card is part of the Ixalan Promos series. The foil treatment is a named variant of this card. The card’s transformative nature and unique rules interaction make it a functional and collectible item for Magic: The Gathering enthusiasts. The card is a Legendary Enchantment with a mana cost of {3}{R}.

## FAQ

### What is the card number for Vance's Blasting Cannons // Spitfire Bastion?

The card number for this promo is 173s, as listed in the 2017 Magic: The Gathering Ixalan Promos set.

### Is Vance's Blasting Cannons // Spitfire Bastion a foil card?

Yes, this promotional card features a foil finish, distinguishing it from non-foil versions.

### What type of card is Vance's Blasting Cannons // Spitfire Bastion?

It is a legendary enchantment with a mana cost of {3}{R} and a mana value of 4, featuring a transformative layout.

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Editorial content updated: 2026-10-10.

Site deployment: 2025-11-29.