The Mightstone and Weakstone
The Brothers' War · Rare · Foil · #238 · Current price $5.51
The card
{5} · Legendary Artifact — Powerstone
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.)
Price history
Traded between $5.07 and $6.61 over the last 90 days, peaking 26 Jun 2026. Now $5.51 — 16.6% below its 90-day high. Over the window it moved +2.6%.
AI price forecast
- 7-day: $5.57 (+0.0%, high confidence) — 80% range $5.37 to $5.69
- 14-day: $5.57 (−0.0%, high confidence) — 80% range $5.23 to $5.79
- 30-day: $5.57 (−0.1%, high confidence) — 80% range $4.97 to $6.01
Other printings
The Mightstone and Weakstone has 3 printings tracked here; this is the 2nd most expensive.
- The Brothers' War Promos (Foil) — $12.85
- The Brothers' War — $5.49
Playability & legality
EDHREC rank 3023 — a measure of how often it appears in Commander decks.
Legal in: Pioneer, Modern, Legacy, Vintage, Commander, Brawl.
About this printing
- 2015 frame.
- Art by Ryan Pancoast.
Forecasts are statistical estimates with confidence intervals, not guarantees. Collectibles are speculative. This is not financial advice.