# 2020 Magic: The Gathering Magic Online Promos #80977

> The 2020 Magic Online Promos release featuring Cavern Whisperer, a powerful Nightmare creature with mutate capabilities.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-cavern-whisperer-80977

## Identity

- **Year**: 2020
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Magic Online Promos
- **Card number**: #80977
- **Product type**: TCG_CARD

## Description

The 2020 Magic Online Promos release includes Cavern Whisperer, identified by card number 80977 within the set. This creature card features a mana cost of {4}{B} and functions as a 4/4 Nightmare. Its design incorporates the mutate mechanic, allowing players to cast it for {3}{B} to merge with another non-Human creature they control. This fusion combines the abilities of both cards, offering strategic flexibility during gameplay. Additionally, the card possesses the menace ability, meaning it requires two or more blockers to be blocked. A key feature is its triggered ability: whenever Cavern Whisperer mutates, each opponent must discard a card. This effect makes it a compelling choice for collectors interested in the strategic depth of the Magic: The Gathering trading card game. The artwork is credited to Steve Ellis, adding visual appeal to this product. For enthusiasts building their Magic Online Promos collection, this card represents a distinct piece of the 2020 release. Whether you are completing a set or looking for cards with unique mechanics, Cavern Whisperer stands out for its interactive gameplay potential.

## FAQ

### What is the mutate mechanic on Cavern Whisperer?

Mutate allows you to cast the card for its mutate cost ({3}{B}) to put it over or under a target non-Human creature you own. The two creatures then become one permanent with the characteristics of the top card and all abilities from the bottom card.

### What are the stats and type of Cavern Whisperer?

Cavern Whisperer is a Creature — Nightmare with a mana value of 5. It has a power and toughness of 4/4 and costs {4}{B} to cast normally.

### What does the menace ability do?

The menace ability means that this creature can only be blocked by two or more creatures. This forces opponents to commit multiple resources to stop it from dealing damage.

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Last verified: 2025-11-29.