Marketplace

Reference artwork · details may differ from this copy

PROMO

About This Card

The Mightstone and Weakstone is a Legendary Artifact — Powerstone card from the Magic: The Gathering trading card game. It is part of The Brothers' War Promos set (code: PBRO) and carries a Rare rarity. This printing is a Foil promo card with a meld layout. The card has a mana cost of {5} and a mana value of 5. The artwork is by Ryan Pancoast.

The Mightstone and Weakstone

2022 • Magic: The Gathering • The Brothers' War Promos

2022 Magic: The Gathering The Brothers' War Promos

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Market Value

Raw/Ungraded Market: $12.30

Updated about 24 hours ago

Based on TCGplayer Market (reference)Last Updated Oct 12, 2026Check Price Guide

Market & Price History

Condition	Value	Source	Trend	Price Details
	$12.30Oct 12, 2026	Guide Estimate	-4.3%
Based on TCGplayer Market (reference) Estimate: $12.30, based on Guide Estimate. Source date not availableCaptured Oct 12, 2026 Guide Estimate: $12.30. Evidence date not available. Few comparable observations are available, so this estimate may be less reliable. Over the last 30 days, stored prices ranged from $12.30 to $12.85 across 2 capture days. Change between Sep 22, 2026 and Oct 12, 2026: -4.3%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Oct 12, 2026

$12.30Oct 12, 2026
Source
Guide Estimate
Trend
-4.3%
Price Details
Based on TCGplayer Market (reference)
Estimate: $12.30, based on Guide Estimate.
Source date not availableCaptured Oct 12, 2026
Guide Estimate: $12.30. Evidence date not available.
Few comparable observations are available, so this estimate may be less reliable.
Over the last 30 days, stored prices ranged from $12.30 to $12.85 across 2 capture days. Change between Sep 22, 2026 and Oct 12, 2026: -4.3%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Oct 12, 2026

30-day Price History

Raw / Ungraded

TCGplayer Market (reference) · Guide Estimate evidence · captured Oct 12, 2026

Each point is the last stored observation that day for this printing, condition, grader, autograph status and source. Gaps mean no observation; guide estimates and asking prices are not completed sales.

Product Overview

Description

The Mightstone and Weakstone is a Legendary Artifact — Powerstone card from the Magic: The Gathering trading card game. It belongs to The Brothers' War Promos set (set code: PBRO) and is classified as a Rare. This product is a Foil promo card with a meld layout. It has a mana cost of {5} and a mana value of 5. The card number is 238s. The artist is Ryan Pancoast.

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Product Specs

Card Details

The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.

Catalog Profile

The core identity of the card within the set.

Year

2022

Brand

Magic: The Gathering

Series

The Brothers' War Promos

Card Number

#238s

Featured Subject

The subject, team, league, and sport context tied to this card.

Featured

The Mightstone and Weakstone

Game

Magic: The Gathering

TCG Attributes

Rarity, print treatment, and game-specific stats for this card.

Rarity

Rare

Artist

Ryan Pancoast

Material

Card Stock

Language

English

Finish

Foil

Mana cost

{5}

Type

Legendary Artifact — Powerstone

Card Text

Abilities, attacks, oracle text, and flavor text printed on the card.

When The Mightstone and Weakstone enters, choose one — • Draw two cards. • Target creature gets -5/-5 until end of turn. {T}: Add {C}{C}. This mana can't be spent to cast nonartifact spells. (Melds with Urza, Lord Protector.)