# 2021 Magic: The Gathering Magic Online Promos #90058

> Keen Duelist is a rare creature card from the 2021 Magic Online Promos set, featuring a Human Wizard with distinct upkeep interaction mechanics.

Canonical URL: https://supercatch.com/product/magic-the-gathering-magic-online-promos-keen-duelist-90058

## Identity

- **Year**: 2021
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Magic Online Promos
- **Card number**: #90058
- **Product type**: TCG_CARD

## Description

Keen Duelist stands as a distinctive entry in the Magic: The Gathering trading card game, specifically released as part of the 2021 Magic Online Promos set. Identified by card number 90058, this rare card is categorized as a Human Wizard creature with a mana value of two.

The card’s mechanical appeal lies in its upkeep trigger, which creates a shared experience between players. At the start of the controller's upkeep, both they and a target opponent reveal the top card of their libraries. Each player then loses life equal to the mana value of the card revealed by the other, before placing those revealed cards into their respective hands. This symmetric interaction introduces an element of risk and reward, making Keen Duelist a fascinating subject for collectors who appreciate cards that foster direct player interaction and resource management.

For collectors of Magic: The Gathering, the Magic Online Promos series holds significant interest as it represents cards distributed through the digital platform that often feature unique mechanics or serve as gateways to special events. Keen Duelist exemplifies this trend, offering a tangible piece of the game's evolving design philosophy. Whether you are building a collection of promotional cards or seeking out rare creatures with unconventional abilities, this card represents a unique chapter in the game's history. Its status as a rare card adds to its collectibility, appealing to those who value both the artistic and mechanical contributions of promotional releases. The card’s ability to influence the game state through shared information makes it a memorable addition to any collection of Magic: The Gathering memorabilia.

## FAQ

### What is the mana cost of Keen Duelist?

The mana cost for Keen Duelist is {1}{B}, requiring one colorless mana and one black mana to cast. This results in a total mana value of two, making it a relatively low-cost creature to play.

### What are the creature types for Keen Duelist?

Keen Duelist is classified as a Creature — Human Wizard. It belongs to the black color identity and has a power and toughness of 2/2.

### How does Keen Duelist's upkeep ability work?

At the beginning of your upkeep, you and a target opponent each reveal the top card of your library. You both lose life equal to the mana value of the card revealed by the other player, and then you each put the revealed card into your hand.

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Last verified: 2025-11-29.