# 2020 Magic: The Gathering Magic Online Promos #80961

> A 2020 Magic Online Promo foil card of the Uncommon creature Chittering Harvester, featuring the mutate mechanic and designed by Carl Critchlow.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-chittering-harvester-80961-foil-promo

## Identity

- **Year**: 2020
- **Brand**: Magic: The Gathering
- **Set**: Magic Online Promos
- **Card Number**: 80961
- **Featured**: Chittering Harvester
- **Game**: Magic: The Gathering
- **Rarity**: Uncommon
- **Mana cost**: {5}{B}
- **Type**: Creature — Nightmare
- **Power / Toughness**: 4 / 6
- **Color**: B
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

The Chittering Harvester is a 2020 Magic Online Promo card, designated as card number 80961 in the Magic: The Gathering trading card game. This Uncommon release features a foil finish and depicts the black Creature — Nightmare with a mana cost of {5}{B} and a power/toughness of 4/6. The card art is credited to Carl Critchlow. The card utilizes the mutate mechanic, allowing players to cast the spell for its mutate cost of {4}{B}. When cast this way, the Chittering Harvester is placed over or under a target non-Human creature the player owns, mutating into a single permanent with the characteristics of the top card plus abilities from those underneath. A key ability triggers whenever this creature mutates: each opponent must sacrifice a creature of their choice. This interaction makes it a distinct addition for collectors interested in the specific mechanics and promotional releases of Magic: The Gathering. As a promo item from the Magic Online Promos set, this card holds a specific place in the game's history. Collectors often track these releases for their unique card numbers and treatment variations. The foil finish distinguishes this version from standard printings, appealing to those who appreciate the visual presentation of promo cards. Understanding the mutate rules is essential for both playing and collecting this card, as its value lies in its mechanical interaction within the game. The card's identity as an Uncommon Nightmare with a 6 mana value makes it a recognizable piece for players who engage with the mutate format.

## FAQ

### What is the mutate mechanic on Chittering Harvester?

Mutate allows you to cast the card for {4}{B} over a target non-Human creature you own. They merge into one permanent with the top card's characteristics and all bottom abilities. When it mutates, each opponent sacrifices a creature of their choice.

### What are the stats for Chittering Harvester?

Chittering Harvester is a black Creature — Nightmare with a mana cost of {5}{B}. It has a power of 4 and toughness of 6, giving it a mana value of 6.

### What set and card number is this promo card?

This card is from the Magic Online Promos set released in 2020. It is identified as card number 80961 in the catalog.

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Editorial content updated: 2026-09-30.

Site deployment: 2025-11-29.