# 2019 Magic: The Gathering Magic Online Promos #78842

> The 2019 Magic Online Promos card 78842 features Rosethorn Acolyte, a Common Elf Druid creature with the Adventure mechanic leading into the Seasonal Ritual sorcery.

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## Identity

- **Year**: 2019
- **Brand**: Magic: The Gathering
- **Set**: Magic Online Promos
- **Card Number**: 78842
- **Featured**: Rosethorn Acolyte // Seasonal Ritual
- **Game**: Magic: The Gathering
- **Rarity**: Common
- **Mana cost**: {2}{G} // {G}
- **Type**: Creature — Elf Druid // Sorcery — Adventure
- **Power / Toughness**: 2 / 3
- **Color**: G
- **Language**: English
- **Material**: Card Stock
- **Finish**: Normal

## Description

This Magic: The Gathering card, identified by set code PRM and card number 78842, was released in 2019 as part of the Magic Online Promos distribution. Designed by artist Wylie Beckert, the card presents a unique dual-layout structure featuring a Creature — Elf Druid on the front and a Sorcery — Adventure on the reverse. The creature has a mana cost of {2}{G} and a mana value of 3, with a power and toughness of 2/3. This configuration allows players to cast the creature or choose to sacrifice it to cast the Seasonal Ritual sorcery for a mana cost of {G}. The card is classified as Common rarity within the promotional subset, making it a standard component for collectors building comprehensive lists of Magic Online exclusive releases. The Adventure mechanic adds strategic depth by offering two distinct ways to utilize the card's resources during gameplay. Collectors interested in the 2019 promotional era often track these numbered cards to document the diverse range of cards distributed through the digital platform. The 2019 Magic Online Promos release includes this card, which features the creature Rosethorn Acolyte // Seasonal Ritual. The clear card number 78842 serves as a unique identifier within the set, helping collectors organize and verify their holdings. As Magic continues to evolve, promotional cards like Rosethorn Acolyte remain important artifacts of the game's digital distribution channels, offering both gameplay utility and collectible value for dedicated fans of the trading card game.

## FAQ

### What is the Adventure mechanic in Magic: The Gathering?

The Adventure mechanic allows a card to function as both a creature and a sorcery or instant. You can cast the creature spell normally, or cast the Adventure spell half-way through the card by sacrificing the creature.

### What does Rosethorn Acolyte // Seasonal Ritual do?

Rosethorn Acolyte is a 2/3 Elf Druid creature costing {2}{G}. If sacrificed, it allows you to cast Seasonal Ritual, a sorcery costing {G}, from your graveyard or hand.

### Is Magic Online Promos a physical set?

No, Magic Online Promos refers to cards distributed exclusively through the Magic Online digital platform. However, these cards are printed on physical stock and can be collected as physical items.

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Editorial content updated: 2026-09-30.

Site deployment: 2025-11-29.