Underground River (The Brothers' War Promos) — Market vs Foil: which is worth more?
Underground River (The Brothers' War Promos) value — Market $3.49 vs Foil $3.16. Market sells for 1.1× Foil (+10%). Prices updated August 2026.
Medians of real sold listings per condition, updated August 2026 — how we compute values.
Market vs Foil
$3.16→$3.49
Market sells for 1.1× (+10%) the Foil price — a $0.33 difference per card.
Is complete worth it?
Market $3.49 vs Foil $3.16 — a $0.33 premium (+10%). If you're holding the box and manual, completing a loose copy pays when that premium beats what the missing pieces cost you.
Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).