# 2019 Magic: The Gathering Magic Online Promos #78750

> The 2019 Magic Online Promos card Rimrock Knight // Boulder Rush, featuring the Adventure mechanic and artwork by Josu Hernaiz.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-rimrock-knight-boulder-rush-78750

## Identity

- **Year**: 2019
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Magic Online Promos
- **Card number**: #78750
- **Product type**: TCG_CARD

## Description

The 2019 Magic Online Promos release includes the card Rimrock Knight // Boulder Rush, designated with the number 78750 in the catalog. This dual-faced card from the Magic: The Gathering trading card game showcases the Adventure mechanic, allowing players to cast the instant spell version before transforming the card into a creature. The creature side features a Dwarf Knight with a mana cost of one generic mana and one red mana, resulting in a mana value of two. As a red card, it enters the battlefield with three power and one toughness. Collectors of Magic: The Gathering often seek out promo cards for their unique distribution methods and specific design treatments. This card was created by artist Josu Hernaiz, who brought the Dwarf Knight to life for the Magic Online Promos set. The Adventure mechanic adds a layer of strategic depth, as players must decide whether to use the card as a one-time spell or keep it on the battlefield as a persistent threat. This duality makes it an interesting piece for those who appreciate innovative game mechanics within the card's design. For investors and hobbyists, the Magic Online Promos series represents a distinct era of card distribution, separate from standard retail sets. The card's common rarity means it was widely available, yet its unique status as a promo card can make it a desirable addition to a focused collection. The combination of the Adventure format and the specific artwork makes this card a notable entry in the 2019 promotional landscape. Whether you are a seasoned player or new to the hobby, understanding the mechanics and history of cards like Rimrock Knight // Boulder Rush enhances the overall collecting experience.

## FAQ

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

The Adventure mechanic allows a card to be cast as an instant spell before becoming a creature. This gives players a strategic choice to use the spell effect or keep the creature on the battlefield.

### Who illustrated the Rimrock Knight // Boulder Rush card?

This card was illustrated by Josu Hernaiz.

### Is Rimrock Knight // Boulder Rush a creature card?

Yes, it is a dual-faced card. One side is an instant spell, and the other side is a Creature — Dwarf Knight. It has a mana value of two and is colored red.

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Last verified: 2025-11-29.