Koma, Cosmos Serpent (Kaldheim Promos) — Market vs Foil: which is worth more?
Koma, Cosmos Serpent (Kaldheim Promos) value — Market $6.37 vs Foil $5.50. Market sells for 1.16× Foil (+16%). Prices updated September 2026.
Medians of real sold listings per condition, updated September 2026 — how we compute values.
Market vs Foil
$5.50→$6.37
Market sells for 1.16× (+16%) the Foil price — a $0.87 difference per card.
Is complete worth it?
Market $6.37 vs Foil $5.50 — a $0.87 premium (+16%). 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).