# 2021 Magic: The Gathering Magic Online Promos #90270

> The details of the 2021 Magic Online Promos Harness Infinity foil mythic rare card, an instant with a 7 mana value designed for complex strategic play.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-harness-infinity-90270-foil-mythic-rare

## Identity

- **Year**: 2021
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Magic Online Promos
- **Card number**: #90270
- **Product type**: TCG_CARD

## Description

The 2021 Magic Online Promos Harness Infinity stands as a formidable instant within the Magic: The Gathering trading card game framework. Carrying a mana value of 7 and requiring a complex mix of black and green mana to cast, this mythic rare card appeals to players seeking high-impact strategic options. Released under the PRM set code, the foil treatment adds a distinct visual layer to the card, enhancing its appeal for collectors who value both gameplay mechanics and aesthetic finish.

As an instant, Harness Infinity offers a pivotal game-changing effect that forces players to exchange their hand with their graveyard. This mechanic creates dynamic board states and forces difficult decisions, making it a staple in decks that thrive on disruption and resource manipulation. Collectors often seek out this promo card to complete themed collections or to add a high-rarity piece to their Magic Online Promos set.

For investors and hobbyists, the combination of mythic rare status and foil finish makes this card a notable entry in the TCG marketplace. Understanding its role as an instant helps collectors appreciate its strategic depth, while the foil variant ensures it remains a visually striking addition to any binder or display case. Whether you are building a competitive deck or curating a rare collection, this card represents a significant piece of modern Magic history.

## FAQ

### What type of card is Harness Infinity?

Harness Infinity is an Instant card in the Magic: The Gathering trading card game, allowing it to be played at any time you could cast a sorcery, including during your opponent's turn.

### What is the mana cost for Harness Infinity?

The card has a mana value of 7 and requires one generic mana, two black mana, and two green mana to cast, reflecting its status as a high-cost, high-impact spell.

### What does the Harness Infinity card do?

The card's effect allows you to exchange your hand of cards with your graveyard, effectively shuffling your current hand into the graveyard and bringing your grave contents into your hand.

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Last verified: 2025-11-29.