# 2019 Magic: The Gathering Magic Online Promos #78822

> The 2019 Magic Online Promos foil card featuring Merfolk Secretkeeper // Venture Deeper, card number 78822, designed by Allen Williams.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-merfolk-secretkeeper-venture-deeper-78822-foil

## Identity

- **Year**: 2019
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Magic Online Promos
- **Card number**: #78822
- **Product type**: TCG_CARD

## Description

Released in 2019 as part of the Magic Online Promos series, this foil card features the creature Merfolk Secretkeeper and its Adventure sorcery counterpart, Venture Deeper. Carrying the catalog number 78822, it represents a specific entry in the Magic: The Gathering trading card game ecosystem. The card is identified by its uncommon blue mana cost and functions as a Creature — Merfolk Wizard with an Adventure ability that transitions into a Sorcery. This dual-nature design allows players to cast the sorcery effect before placing the creature into play, offering strategic flexibility during gameplay. Designed by Allen Williams, the card’s foil treatment adds a distinct visual appeal for collectors who appreciate the shimmering finish. Collectors often seek out these promo cards to complete thematic collections or to acquire specific mechanics like Adventure. The combination of the Merfolk Wizard identity and the Adventure mechanic makes this card a distinct item for enthusiasts of the game's evolving mechanics.

## FAQ

### What is the Adventure mechanic on this card?

Adventure allows a player to cast the sorcery half, Venture Deeper, from their hand before the creature, Merfolk Secretkeeper, enters the battlefield. This provides an immediate effect while still allowing the creature to remain in play afterward.

### Who illustrated the Merfolk Secretkeeper card?

The artwork for this Magic Online Promos card was created by illustrator Allen Williams.

### Is this card part of a standard expansion set?

No, this card belongs to the Magic Online Promos set, which consists of cards distributed through digital events rather than traditional retail packs.

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Last verified: 2025-11-29.