# 2021 Magic: The Gathering Adventures in the Forgotten Realms Promos #105a

> The 2021 Magic: The Gathering Adventures in the Forgotten Realms Promos Gelatinous Cube foil card (105a) is a rare Black Ooze creature featuring the Engulf and Dissolve mechanics.

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## Identity

- **Year**: 2021
- **Brand**: Magic: The Gathering
- **Set**: Adventures in the Forgotten Realms Promos
- **Card Number**: 105a
- **Featured**: Gelatinous Cube
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Mana cost**: {2}{B}{B}
- **Type**: Creature — Ooze
- **Power / Toughness**: 4 / 3
- **Color**: B
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

The Magic: The Gathering Gelatinous Cube foil promo card, designated as number 105a, originates from the 2021 Adventures in the Forgotten Realms Promos set. Printed by Wizards of the Coast with artwork by Olivier Bernard, this card carries a Rare rarity and a distinctive foil treatment. It functions as a Creature — Ooze with a mana cost of {2}{B}{B} and a mana value of 4. This card enters the battlefield with the Engulf ability, allowing the controller to exile a target non-Ooze creature an opponent controls until the Cube leaves play. The card also features the Dissolve ability, which requires {X}{B} mana to return a creature card with mana value X from exile to its owner's graveyard. These mechanics define the Gelatinous Cube's strategic role within the Magic: The Gathering trading card game. Collectors often target this promo release due to its unique print status and the iconic nature of the creature. The card's black color identity and Ooze subtype make it a notable piece for thematic collections. Whether for gameplay utility or set completion, the 105a foil promo remains a significant entry for fans of the Adventures in the Forgotten Realms Promos series.

## FAQ

### What is the mana cost of the Gelatinous Cube promo?

The Gelatinous Cube promo card has a mana cost of {2}{B}{B}, resulting in a total mana value of 4.

### What abilities does the 2021 Magic: The Gathering Gelatinous Cube have?

The card features Engulf, which exiles a non-Ooze creature upon entering, and Dissolve, which allows you to put a creature from exile into the graveyard for {X}{B}.

### Who illustrated the Gelatinous Cube promo card 105a?

The artwork for this 2021 Adventures in the Forgotten Realms Promos card was created by Olivier Bernard.

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Editorial content updated: 2026-10-06.

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