# 2020 Magic: The Gathering Magic Online Promos #80823

> The 2020 Magic Online Promos foil card Slitherwisp (#80823) is a Rare Elemental Nightmare creature. This promo release features a unique flash interaction for collectors of Magic: The Gathering.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-slitherwisp-80823-foil-promo

## Identity

- **Year**: 2020
- **Brand**: Magic: The Gathering
- **Set**: Magic Online Promos
- **Card Number**: 80823
- **Featured**: Slitherwisp
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Mana cost**: {U}{B}{B}
- **Type**: Creature — Elemental Nightmare
- **Power / Toughness**: 3 / 2
- **Color**: B, U
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

The 2020 Magic Online Promos release includes Slitherwisp, card number 80823, a Rare foil Elemental Nightmare from Magic: The Gathering. Created by artist Yigit Koroglu, this promo card carries a mana cost of {U}{B}{B} and boasts a mana value of 3. As a blue and black creature, it fits into decks seeking specific elemental and nightmare synergies.

The card features flash, allowing it to be cast at instant speed. Its triggered ability activates whenever you cast another spell that has flash. When this occurs, you draw a card and each opponent loses 1 life. This mechanic rewards players who build around flash spells, creating a dynamic interaction that can swing the game state by providing card advantage and life total pressure simultaneously. The 3/2 power and toughness stats provide a moderate presence on the battlefield, balanced by its specialized triggering condition.

For collectors of Magic: The Gathering, promo cards from the Magic Online Promos set hold distinct appeal. The foil finish adds a premium texture to the card, distinguishing it from standard non-promo prints. Card 80823 serves as a specific identifier for this version of Slitherwisp, helping collectors track their inventory and complete specific set subsets. The combination of the Rare rarity, the promotional status, and the foil treatment makes this card a notable item for those building comprehensive collections of MTG promos. Whether used in gameplay or kept as a display piece, Slitherwisp represents a specific moment in the game's digital-to-physical crossover history.

## FAQ

### What is the mana cost of Slitherwisp?

The mana cost for Slitherwisp is {U}{B}{B}, requiring one blue mana and two black mana. This gives it a mana value of 3.

### What set is Slitherwisp card 80823 from?

Slitherwisp card number 80823 is from the Magic Online Promos set, released in 2020. It is categorized as a promo card within the Magic: The Gathering trading card game.

### What are the stats for Slitherwisp?

Slitherwisp is a Creature — Elemental Nightmare with 3 power and 2 toughness. It is a blue and black card that can be cast using flash.

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Editorial content updated: 2026-10-07.

Site deployment: 2025-11-29.