# 2015 Magic: The Gathering Battle for Zendikar Promos #81s

> The Prism Array foil promo from the 2015 Battle for Zendikar series is a sought-after convergence enchantment featuring unique multi-color mana mechanics and foil treatment.

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## Identity

- **Year**: 2015
- **Brand**: Magic: The Gathering
- **Set**: Battle for Zendikar Promos
- **Card Number**: 81s
- **Featured**: Prism Array
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Mana cost**: {4}{U}
- **Type**: Enchantment
- **Color**: U
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

The Prism Array foil promo (card number 81s) from the 2015 Battle for Zendikar series offers a distinctive gameplay experience centered around the convergence mechanic. As a rare enchantment with a mana cost of {4}{U}, this card requires players to utilize multiple colors of mana to maximize its potential on the battlefield. The card's design and functionality make it a compelling addition for collectors who appreciate strategic depth and unique card treatments in Magic: The Gathering.

Released as a promo in 2015, the Prism Array features a foil finish. The card is illustrated by Philip Straub, whose artwork complements the enchantment's theme of elemental convergence. Its convergence ability allows the card to enter the battlefield with crystal counters based on the colors of mana spent to cast it, providing flexible utility for tapping creatures or scrying with a full rainbow of mana.

The Prism Array is a rare foil promo card from the 2015 Battle for Zendikar Promos set. The card’s low mana value of 5 and its ability to interact with five different colors make it a versatile piece for competitive play and collection.

The card has a mana cost of {4}{U} and features the converge mechanic. The Prism Array is an enchantment with a mana value of 5.

## FAQ

### What is the convergence mechanic on Prism Array?

Convergence is a mechanic where the card enters the battlefield with a number of crystal counters equal to the number of different colors of mana spent to cast it. This allows the card to scale in power based on your mana investment.

### Who illustrated the Prism Array promo card?

The Prism Array promo card was illustrated by Philip Straub, known for his dynamic artwork in the Magic: The Gathering trading card game.

### What is the mana cost of Prism Array?

The mana cost for Prism Array is {4}{U}, requiring four generic mana and one blue mana to cast it from your hand.

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Editorial content updated: 2026-09-30.

Site deployment: 2025-11-29.